Cal's head coach discussed the Bears' 25 signees today, as Cal closed out early signing day.
Knowlton had served as the Bears' athletic director since the spring of 2018.
The Bears beat out UNLV for the three-star defensive lineman from Corona-Centennial on Sunday.
The Bears edged out BYU for a commitment from the Kailua High School star offensive tackle recruit.
The visit to Berkeley last weekend moved the 6-foot-4 defensive lineman from Texas closer to a decision.
The 6-foot-5 recruit has been on the rise this spring with offers from Virginia, South Florida, UCF, UTSA and others.