Feb. 15, 2026, 4:50 p.m. MT

The Arizona Cardinals are saying goodbye to another of their defensive assistants. The latest is Ronald Booker.

Booker was the defensive quality control coach. He is now a defensive assistant for the New York Jets under head coach Aaron Glenn, working with nickels.

Booker had been with the Cardinals since 2020. He was a Bill Walsh Coaching Fellow in 2020 and 2021, and then hired full-time as a defensive assistant in Aug. 2021 under head coach Kliff Kingsbury. After 2022 when Jonathan Gannon became head coach, Booker became the defensive quality control coach for the next three seasons.

He is one of four defensive assistants to leave this offseason, even though defensive coordinator Nick Rallis was retained under new head coach Mike LaFleur.

The other assistants to leave were the following:

Need a news break? Check out the all new PLAY hub with puzzles, games and more!Defensive line coach Winston DeLattiboudere left to Michigan State to be DL coachDefensive backs coach Patrick Toney became co-defensive coordinator at Ole MissCornerbacks coach Ryan Smith went to the Dallas Cowboys.

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