Mr. Z is the 5-2 morning-line favorite for the $1 million Delta Downs Jackpot for 2-year-olds Saturday.
A field of 12 was entered for the 11⁄16-mile race.
Mr. Z is trained by Hall of Famer D. Wayne Lukas and will be ridden by Paco Lopez. Mr. Z drew the No. 3 post.
Mr. Z finished fifth in the Breeders' Cup Juvenile at Santa Anita on Nov. 1. The colt finished second as a 17-1 shot in Keeneland's Breeders' Futurity behind 2-1 favorite Carpe Diem.
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Golden Actor, trained by Ignacio Roncancio, is the 7-2 second choice. Conquest Tsunami, trained by Mark Casse, is the 4-1 third choice.
Ocho Ocho Ocho, ridden by Hall of Famer Mike Smith, is the 6-1 fourth choice.
A pair of Hall of Famers, jockey Russell Baze and trainer Jerry Hollendorfer, team up with Prime Engine, the 8-1 fifth choice.
The winner will earn $600,000 and 10 points toward a possible starting position in next year's Kentucky Derby.
Five other horses are at double-digit odds: Wake Up Nick and Far Right, both 10-1; Red Button at 12-1; Saratoga Heater at 15-1 and trained by Lisa Lewis; and Dekabrist at 30-1.
Also entered are Unblunted at 15-1 and Two Six Wins at 20-1.
Take Charge Brandi returns to track
Breeders' Cup Juvenile Fillies winner Take Charge Brandi is the 2-1 morning-line favorite for Saturday's $400,000 Delta Downs Princess Stakes at Delta Downs.
Trained by D. Wayne Lukas for Willis Horton, Take Charge Brandi will be ridden for the first time by Paco Lopez in the mile stakes for 2-year-old fillies and start from post 6 in the 12-horse field.
"She came out of the Breeders' Cup great," Lukas said recently.
Sent off as a 61-1 longshot, Take Charge Brandi, with Victor Espinoza riding, set the pace from the start and rolled to victory in the $2 million Juvenile Fillies.
Take Charge Brandi's top challengers include Vivian Da Bling (3-1), Skipalute (6-1), Temper Mint Patty (8-1) and Majestic Presence (8-1).