If all goes well, in just 27 days, Rachel Alexandra and Zenyatta will occupy the same starting gate for the first time in the Apple Blossom Invitational.

First, though, fans will have to be content with watching them start within a half-hour of each other, as both make their respective season debuts today.

Horse of the Year Rachel Alexandra will start in the $200,000 New Orleans Ladies Stakes at the Fair Grounds, which is slated to go off at 6:15 p.m. EST. Just 21 minutes later, two-time champion older female Zenyatta goes postward in the Grade I, $250,000 Santa Margarita Invitational Handicap at Santa Anita.

The New Orleans Ladies, a mile and a sixteenth stake, was created for the purpose of attracting Rachel Alexandra, who has been stabled at the Fair Grounds since late November. The 4-year-old is making her first start since defeating older males in the Woodward last Sept. 5 at Saratoga, capping a Horse of the Year campaign that included wins in the Kentucky Oaks, Preakness, Mother Goose and Haskell.

Rachel Alexandra, who breaks from the two in a short field of five for the New Orleans Ladies, will have regular rider Calvin Borel aboard. The filly also gets an equipment change, as trainer Steve Asmussen replaced her regular bridle with a figure eight noseband, a bridle many of Asmussen’s horses wear that can sometimes help a horse relax and soften its carriage. Rachel Alexandra, on an accelerated work schedule in order to make the New Orleans Ladies and Apple Blossom, has been exceptionally keen in her morning works, and some worry fitness is an issue coming off her long layoff.

“We’re happy with where she’s at now,” Asmussen said following her last work. “The main thing is she’s healthy and this is a step in the process to getting her back to her previous level.”

The only other graded winner in the field, Zardana, ships in from California for John Shirreffs, who, of course, also trains Zenyatta. Davis Flores will be aboard the winner of Hollywood Park’s Bayakoa Handicap as they leave from the three, just outside of Rachel.

Clear Sailing, who breaks from post 5 under Shane Sellers, is a Fair Grounds specialist, having won an allowance by eight and the Pelleteri Stakes in her last start. Fighter Wing (Corey Lanerie, rail), second behind Clear Sailing in the Pelleteri, and Unforgotten (Miguel Mena, post 4), unplaced in the Sunshine Millions Distaff last out, complete the field.

Zenyatta drew post eight in a field of nine for the Santa Margarita, a race she also won during the first of her two championship campaigns in 2008. The 6-year-old daughter of Street Cry hasn’t started since becoming the first female to win the Breeders’ Cup Classic on Nov. 7, improving her record to a perfect 14-for-14 lifetime. It was thought she’d be retired after that race, but in January, owners Jerry and Ann Moss announced that their star would return for one more season.

Zenyatta carries 127 pounds, including regular rider Mike Smith, in the nine furlong event. She gives between 12 to 19 pounds to her rivals.

“It’s a lot of weight to spot them starting off the year, but fortunately for us she’s a big mare and carries her weight very well, so, hopefully, it won’t bother her too much,” Smith said. “She’s ready for something and I’m really looking forward to it.”

Striking Dancer, who carries the next highest weight at 115, won the Grade II La Canada at Santa Anita last time out. Alex Solis rides the filly, who breaks from post 5.

Chantal Sutherland rides Pretty Unusual, who she partnered to a win in the Grade II El Encino three starts back. But in her last two efforts, the filly was unplaced in the Sunshine Millions Filly and Mare Turf and the Buena Vista Handicap.

Dance To My Tune (Martin Garcia, rail), Pretty Katherine (Joel Rosario, post 2), Made For Magic (Barrio, post 3), Gripsholm Castle (Victor Espinoza, post 6), Powerofvoodoo (Kaplan, post 7) and Floating Heart (Joe Talamo, post 9) round out the field.

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Although racing’s two leading ladies will steal the spotlight on Saturday, plenty of other stakes are happening around the country, including some key Kentucky Derby preps.

Eclipse champion 2-year-old Lookin at Lucky is making his first start outside of California, his first start on conventional dirt and his first start with blinkers in the Grade II Rebel Stakes at Oaklawn Park. Trainer Bob Baffert chose to ship the colt for his season debut after the success he had bringing stablemate Conveyance in to win the Southwest last month.

Lookin at Lucky, who hasn’t started since winning the CashCall Futurity at Hollywood in December, is 5-for-6 lifetime, with his only loss coming by an unlucky head in the Breeders’ Cup Juvenile. He also owns wins in the Best Pal and Norfolk. The half-brother to Jim Dandy winner Kensei breaks from the two under regular rider Garrett Gomez.

Hopeful winner Dublin was a hard-charging second in the Southwest in his season debut after breaking poorly and sitting near the back of the pack down the backstretch. The strapping son of Afleet Alex breaks from the outside, post 7, and gets a rider change, as the legendary trainer Wayne Lukas is choosing to replace Terry Thimpson with Corey Nakatani.

Noble’s Promise (Robby Albarado, post 6) is making his first start since running second to Lookin at Lucky in the Futurity. Cardiff Giant (Christian Santiago Reyes, rail) was second in the San Rafael and third in the Southwest.

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The unbeaten Caracortado, winner of the Robert B. Lewis last out, highlights a balanced field of seven in the Grade II San Felipe at Santa Anita. The gelding, who will be ridden by Paul Atkinson as they break from the outside, is 5-for-5 lifetime and hopes to use this race as a springboard into next month’s Santa Anita Derby.

Todd Pletcher ships in Interactif time in hopes of breaking onto the Derby trail. The colt won the With Anticipation at Saratoga and the Bourbon at Keeneland, both on the turf. Rafael Bejerano will ride, and they break from post 2.

American Lion, who gets the services of Eclipse winning jockey Julien Leparoux, won the Hollywood Prevue, then was third in the Lewis last out. The colt has blinkers on for trainer Eoin Harty and breaks from the four.

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Super Saver won the Kentucky Jockey Club last fall on the same track where the Kentucky Derby will be run in less than two months. The colt tries to take another step toward that goal in today’s Grade III Tampa Bay Derby. The colt breaks from post 6 for trainer Todd Pletcher and will have NYRA leading rider Ramon Dominguez aboard.

Odysseus (Rajiv Maragh, post 7) is coming off an impressive allowance score at Tampa and Uptowncharlybrown (Daniel Centino, rail) is 2-for-3 lifetime at the track, including the Pasco Stakes.

Also on the Tampa card, Breeders’ Cup Juvenile Fillies winner and Eclipse champion She Be Wild is favored in the Grade III Florida Oaks.

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A balanced field of 11 older campaigners will challenge the Grade II Gulfstream Park Handicap. Nick Zito sends out Gulfstream specialist Cool Coal Man, who is 4-for-5 lifetime at the track, including an allowance win last time out in his season debut. Cool Coal Man will be ridden by Eddie Castro and drew the nine.

This Ones For Phil is trying to stretch his speed out to a mile after winning a blazingly fast edition of the Sunshine Millions Sprint last out. Johnny Velazquez rides for Rick Dutrow. He’ll have to use his speed early, breaking from the outside, post 11.

You And I Forever (Javier Castellano, post 10) was second to Quality Road two starts back in the Hal’s Hope, Grasshopper (Alan Garcia, post 8) returned from a layoff of over nine months to win a Gulfstream allowance last out and the talented Harlem Rocker (Eibar Coa, post 5) is rounding his way back into form on the third start off a long layoff.

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The speedy Bickersons was planning to try to wheel back on just over two weeks rest in the Grade III Cicada at Aqueduct. But she'll get some extra time, as rain and high winds forced the postponement of today's card. The race will be rescheduled for March 20.

Bickersons won the Moccasin last fall and the Forward Gal earlier this year.

With the Kentucky Derby less than eight weeks away, there's little margin for error remaining. Things kick into high gear this week, as trainers juggle the schedules of their top contenders looking for the best preps and riders are, well, jockeying for the best mounts. Several of those changes make for intriguing storylines this weekend.

Eclipse champion 2-year-old Lookin at Lucky was scheduled to board a plane this morning for Arkansas, where he'll make his sophomore debut in the Rebel Stakes on Saturday. The colt worked five furlongs in 1:01.20 Monday morning at Santa Anita as his final tuneup.

Trainer Bob Baffert selected the Oaklawn prep because he'd like to get Lookin at Lucky on a conventional dirt track sooner rather than later. The Rebel will be the colt's first start on dirt, first start outside of California and first start with blinkers. If weather forces the postponement of the Rebel - the Southwest at the track in February was postponed by five days - Baffert can ship the colt home to fall back on the San Felipe.

Although the Southwest is the traditional prep for the Rebel, Baffert won't have to worry about conflicting interests in the race, as he'll instead send Southwest winner Conveyance to the Sunland Derby on March 28. The unbeaten colt was under consideration for the UAE Derby, but Baffert said that idea has been eliminated.

With or without Lookin at Lucky, both the Rebel and San Felipe should draw solid fields as crunch time for the Derby draws near. Hopeful winner Dublin figures prominently in the Rebel after finishing a closing second in the Southwest. The son of Afleet Alex sizzled through a five furlong work on Sunday in :59.60, fastest of 56 at the distance. Hall of Famer Wayne Lukas is switching jockeys this time out, as he plans to name Oaklawn leading rider Corey Nakatani on the colt when entries are drawn this week, replacing Terry Thompson. Grade I placed Noble's Promise and Southwest third-place finisher Cardiff Giant are also expected in the field.

Baffert says his promising Tiz Chrome won't make the Rebel after missing a few days of training - but another lightly raced colt by Tiznow, ironically trained by Baffert's former assistant Eoin Harty, will. American Lion breezed five furlongs in a minute flat on Monday and is ready to go.

American Lion is owned by WinStar Farm, which is loaded for bear this spring. They'll also send out Super Saver, the likely favorite in this weekend's Tampa Bay Derby. The winner of the Kentucky Jockey Club last fall at Churchill Downs will be ridden for the first time by NYRA leading jockey Ramon Dominguez. He'll replace regular rider Calvin Borel, as Borel will be otherwise occupied riding Rachel Alexandra in her season debut at the Fair Grounds. But Borel won't be out in the cold come Derby time - he will pick up the mount on Fountain of Youth runner-up Jackson Bend for the April 3 Wood Memorial, replacing regular rider Jeremy Rose.

Super Saver is trained by Todd Pletcher, as is WinStar stablemate and Sam F. Davis winner Rule, headed to the Florida Derby on March 20. But Pletcher could choose to send Rule to the Wood Memorial instead, avoiding a confrontation with fellow trainee Eskendereya, runaway winner of the Fountain of Youth. All three colts worked on Monday, with Super Saver going five furlongs in 1:00.71, Eskendereya a half in :49.38 and Rule five furlongs in 1:01.09.

It's already been an interesting time early on the Kentucky Derby trail, with poor weather forcing the shifting of race dates across the country and several key prep winners already sidelined by injury, leaving the door wide open. There's little time left for error; with 10 weeks to go, the road kicks into high gear this weekend.

The highly-regarded Buddy's Saint makes his 3-year-old debut in the Grade II Fountain of Youth Stakes, hoping to use this as a springboard into the Florida Derby for longtime New York trainer Bruce Levine. The colt was a runaway winner of the Nashua and the Remsen last fall in New York.

A member of the only crop of 2005 Horse of the Year Saint Liam, Buddy's Saint has never crossed the wire behind another horse; he finished first but was disqualified to second in his career debut.

Out of the Grade I placed Blushing John mare Tuzia, Buddy's Saint should have no issues with the nine furlong distance. He breaks from the two under Jose Lezcano.

Hall of Famer Nick Zito sends out a pair in Jackson Bend and Ice Box. Jackson Bend (Jeremy Rose, post 5) was a multiple stakeswinner last fall in Florida, sweeping the Stallion Series before being transferred to Zito following his sale to Robert LaPenta. Second in the Holy Bull to the since-sidelined Winslow Homer last time out, the colt has won at up to a mile and a sixteenth. Ice Box (Joe Bravo, post 10) was an impressive winner in a nine furlong allowance here last out; both of this son of Pulpit's wins have come around two turns.

Todd Pletcher also starts two in Grade I-placed Aikenite (Alan Garcia, rail) and Pilgrim winner Eskendereya (Johnny Velazquez, post 8).

Norfolk runner-up Pulsion (Mike smith, post 3) makes his 3-year-old debut after illness forced him out of an allowance several weeks ago. Pleasant Price (Julien Leparoux, post 4), Prince Will I Am (CC Lopez, post 6), Positive Split (Edgar Prado, post 7) and Lost Aptitude (Rajiv Maragh, post 9) complete the field.

On the undercard, D'Funnybone makes his 3-year-old debut for trainer Rick Dutrow in the Grade II Hutcheson at seven furlongs. The colt was a runaway winner of the Saratoga Special and the Belmont Futurity last year, but faltered in the Breeders' Cup Juvenile.

Also on the undercard, Courageous Cat makes his first start since finishing second to the brilliant Goldikova in the Breeders' Cup Mile. He's the favorite in the Grade III Canadian Turf Stakes, and Garrett Gomez comes in to ride for trainer Bill Mott. They break from the seven.

Mechanicville's Chad Brown starts the stakeswinning Bluegrass Princess in the Grade III Honey Fox. Leparoux is aboard the filly, who breaks from the seven. The favorite is the Christophe Clement trainee Akilina, who breaks from six under Maragh.

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Perhaps overshadowed in Florida today is the return of dual champion Gio Ponti in the Tampa Bay Breeders Cup, at a mile and a sixteenth on the turf.

Gio Ponti was named both champion older male and champion turf horse for a campaign last year that included four Grade I wins and two placings, including a second behind Zenyatta in the Classic. The 5-year-old is headed for the March 27 Dubai World Cup for trainer Christophe Clement and figures to get an easy return to the races here; he was installed as the prohibitive 3-5 favorite on the morning line.

Regular rider Ramon Dominguez is aboard, and they leave from the two in the field of nine, with two cross-entries.

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All eyes are already on Oaklawn Park, and today the track hosts the Grade III Southwest Stakes at a mile. The race was originally carded for Monday, Feb. 15, but pushed back due to icy conditions - not the first rescheduling on this year's Triple Crown trail. The Southwest leads into next month's Rebel, and then the April 10 Arkansas Derby. In recent years, this path to the Triple Crown has produced Smarty Jones, Afleet Alex, Curlin and Summer Bird.

Dublin has two wins in five starts lifetime, both coming at Saratoga. He broke his maiden early in the meet, then won the Grade I Hopeful on closing day despite an awkward break. The imposing son of Afleet Alex ended his 2-year-old campaign with disappointing efforts in the Champagne and Iroquois, but looks to be on the rebound; after a minor procedure to improve his breathing, he's turned in bullet works for weeks. Terry Thompson is aboard for the legendary D. Wayne Lukas, and the colt breaks from the three.

The local threat, Dryfly, is 3-for-4 lifetime with a win in the Smarty Jones at a mile here last out. Calvin Borel retains the mount for veteran trainer Lynn Whiting, who is trying to return to the Derby after taking it with Lil E. Tee in 1992. Dryfly breaks from the four.

San Rafael winner Conveyance shipped in from California for the Southwest after the Robert B. Lewis was postponed due to the rain there, then had to wait the extra week anyway. Martin Garcia comes in to ride the Bob Baffert trainee, and they leave from the nine in the field of 10.

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At the Fair Grounds, the promising Drosselmeyer is stepping up in class in the Grade II Risen Star at a mile and a sixteenth.

The son of Distorted Humor, out of Grade I winner Golden Ballet, was an impressive allowance winner last out at Gulfstream, handing adversity professionally. Both of the colt's wins have come around two turns. The Mott trainee keeps Kent Desormeaux aboard, and they break from the six.

Ron The Greek won the Lecomte here last month with a solid late move for trainer Tom Amoss. But he drew far outside, in the 11, under James Graham.

Tempted to Tapit was a runaway maiden winner at Aqueduct in January. The colt is a fruntrunner but bred to go farther; at the very least, he could factor into a solid early pace; he drew post 2, indicating that going to the lead is likely. David Cohen comes in to ride from trainer Steve Klesaris.

Pletcher ships in the speedy Discreetly Mine, runner-up in the Champagne and Futurity, rather than keeping him at home for the Hutcheson. The half-brother to Grade I winner Discreet Cat has Javier Castellano up and breaks from the four.

Three-year-old fillies take the stage on the undercard in the Grade III Silverbulletday at a mile and a sixteenth. The favorite will be Devil May Care, a game winner of the Grade I Frizette last fall. Castellano rides for Pletcher as they break from the outside, post 6, in a short field.

The budding rivalry between Friesan Fire and General Quarters is renewed in the Grade III Mineshaft. Both performed well on the Triple Crown trail last year, with Friesan Fire taking the Risen Star and Louisiana Derby at the Fair Grounds and General Quarters winning the Blue Grass. Both were injured in the Preakness and laid up for the rest of the season, and both returned to action with solid efforts here before moving back to stakes company. Last time out, Friesan Fire held off a steadily closing General Quarters to win the Louisiana Handicap over these same conditions.

General Quarters drew the rail under Robby Albarado for owner-trainer Tom McCarthy, and Friesan Fire breaks from beside him under Shaun Bridgemohan for Steve Asmussen.

Giant Oak has been knocking on the door, finishing second to Misremembered in the Indiana Derby last fall, and then a credible fourth in the Clark. He's been freshened since for his 4-year-old debut. The colt drew the five for the Mineshaft, as trainer Neil Pessian opted to go with this rather than the Fair Grounds Handicap on the turf, where the colt was cross-entered.

In the Grade III Fair Grounds, the veteran campaigner Silverfoot returns from a nearly six month layoff. The multiple graded winner, now 10, has nearly reached millionaire status. Jamie Theriot rides from Dallas Stewart, and the pair drew the three.

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In the Grade II San Carlos Handicap at Santa Anita it could be an epically speedy battle, as Bob Black Jack returns to tackle Breeders' Cup Sprint winner Dancing in Silks.

Bob Black Jack is making his first start since winning the 2008 Malibu Stakes. The brilliantly fast horse set a since-broken world record for six furlongs, going 1:06.53 at Santa Anita in January 2008; he also set a Santa Anita track record for seven furlongs, going the distance in 1:20.37 in December 2007. That mark was shattered by two-time champion Indian Blessing. David Flores is up on Bob Black Jack for trainer James Kasperoff, and drew well, in the two.

Dancing in Silks, who figures to try to run Bob Black Jack down in the lane, won three straight races before upsetting the Sprint. He was third behind Kinsale King in his return last out in the Palos Verdes. Joel Rosario is back aboard the Carla Gaines trainee, and they break from the three.