Oklahoma performs background checks on potential recruits, including Oklahoma WR Dede Westbrook, Sooners coach Bob Stoops said Tuesday at a press conference.

Stoops' statement came two days after it was revealed by the Tulsa World that Westbrook was twice arrested and once charged in family violence incidents before being recruited by Oklahoma in 2012-13.

Westbrook was accused of throwing the mother of his two children to the ground in 2012 and biting the same woman's arm and punching her with a closed fist in 2013, according to police reports. He was never convicted in either incident, however.

"We have extensive background checks," Stoops said Tuesday. "I'm not part of that. Again, so I'm not sure how that happened."

An official in OU's athletics department told SoonerScoop that the background checks are conducted by an outside agency.

#Sooners athletic department says background checks on prospects are done by outside agency. Also told less than half of Big 12 perform them — SoonerScoop.com (@SoonerScoop) December 13, 2016

Stoops said multiple recruits have been denied scholarship offers in the past because of instances that have come up on background checks, but didn't specify any further.

"There have been multiple people that we've denied or said we're not going to recruit," he said.