Horse racing's Triple Crown commences on Saturday when 18 3-year-olds leave the starting gate in the 2023 Kentucky Derby at Churchill Downs. Tapit Trice and Angel of Empire are the 9-2 co-favorites in the 2023 Kentucky Derby field. Post time for the first leg of the Triple Crown is 6:57 p.m. ET. 

With an accomplished but wide-open 18-horse field set to enter the starting gate on Saturday, you'll want to see what racing insider and Beyer Speed Figure maker Bob Weir has to say before making any Kentucky Derby picks.

A member of the Beyer Speed Figure-making team who is based in Saratoga Springs, N.Y., Weir is a two-time qualifier for the prestigious National Horseplayers Championship in Las Vegas. He has produced multiple five-figure days at the track over the years, including a $60,000 Pick 6 at Del Mar in 2014. Join SportsLine here to see his shocking 2023 Kentucky Derby picks.

Last year, he was red-hot in the Triple Crown prep races, hitting the superfecta in the Blue Grass Stakes and exactas in the Fountain of Youth Stakes and Tampa Bay Derby. He also hit the 19-1 winner of the Man o' War Stakes, the trifecta in the Pegasus World Cup, the superfecta in the Met Mile and multiple Pick 4s, including May 14's at Belmont for $1,851.

Five weeks ago, he hit the late Pick 4 at Gulfstream Park and the exacta in the Florida Derby. Three weeks ago, he nailed the Pick 5 at Keeneland and the exacta in the Lexington Stakes.

For Saturday, Weir has handicapped the 2023 Kentucky Derby field, made his picks and constructed his bets. Join SportsLine here to get his top 2023 Kentucky Derby bets!

One surprise: Weir is fading Tapit Trice, even though he is one of the co-favorites at 9-2. Another curveball: Weir is high on Verifying, even though he is a 17-1 longshot. "The pace in this race remains muddled, but if he breaks clean he could find himself close to the lead, if not on it," Weir told SportsLine.

Weir's top pick is a double-digit underdog who "could end up with a perfect stalking trip"! Weir is including these horses in his 2023 Kentucky Derby bets, and so should you. You ABSOLUTELY NEED to see his picks before locking in any of your own!

What horse will win the Kentucky Derby 2023? What longshot is a must-back? And how has Weir constructed his wagers? ... Join SportsLine right now to get the top 2023 Kentucky Derby picks, all from the racing insider and champion handicapper who has crushed the Kentucky Derby prep races!