Question: Antonio Lamar "Tony" Crocker stuck to his commitment under a new coach who had once played for what university?
Sentence (from "Tony Crocker"): Crocker signed a letter of intent to play college basketball at the University of Oklahoma under Kelvin Sampson, and stuck to his commitment when coach Sampson left to Indiana University and coach Jeff Capel III became the new coach of the Sooners.
Relevant evidence: Yes