The Unleash The Beast events in Sioux Falls, S.D.; Billings, Mont.; and Albuquerque, N.M. have been cancelled.
Two-time and reigning World Champion Jess Lockwood underwent surgery to repair a torn hamstring and is on track to fully recover in six months.
Motivated to come to the U.S. by his father, a former bull rider, Mauricio Moreira is currently No. 17 in the world standings and No. 2 in the Rookie of the Year race.