The Top 40 bull riders in the world will go up against the rankest bulls the PBR has to offer.
After Round 1 on Saturday, the riders with the 10 highest scores will each compete with one more bull.
Following Round 2 on Sunday, the riders with the 10 highest cumulative scores will advance to the Built Ford Tough Championship Round and compete with one more bull.
The overall event winner will be the rider with the highest combined score from all four rounds.
2011 Chicago Invitational
www.pbrnow.com
Professional Bull Riders, Inc.
United Center
Competition Start: 2 p.m.
Tickets Start at $10: www.Ticketmaster.com
United Center Box Office, 312-455-4500
