Sports Illustrated’s editors have unveiled the 12 nominees of the 2015 Sportsman of the Year award. Readers of the SI are expected to vote for their preferred candidates on the  website. Voting closes at 11:59 p.m. on Dec. 12 and the winner of our reader poll will be revealed on Dec. 13. Sports Illustrated’s Sportsman of the Year will be announced on Dec. 14.

2015 Sportsman of the Year contenders

1. Simone Biles (Gymnast)
2. Usain Bolt (Athlete )
3. Steph Curry
4. Thomas Davis
5. Novak Djokovic
6. Carli Lloyd
7. Lionel Messi
8. American Pharoah
9. Ronda Rousey
10. Kansas City Royals
11. Jordan Spieth
12.Serena Williams