USC defensive lineman Leonard Williams' odds of being picked second in the NFL draft on Thursday are 3-1, according to Bovada.
Florida State quarterback Jameis Winston is the favorite to be picked first at 1-15. Oregon quarterback Marcus Mariota is 6-1. Any other player is 15-1.
The Tampa Bay Buccaneers have the first pick, the Tennessee Titans the second.
Mariota is 1-5 to be chosen second. Florida linebacker Dante Fowler Jr. is 15-2, Winston 12-1 and any other player 9-1.
The draft, which will be held in Chicago, begins Thursday at 5 p.m. PDT.
The first round is on Thursday, the second and third rounds are on Friday and rounds four through seven on Saturday.