Offensive coordinator Kennedy Polamalu works through drills with fullback Cameron Griffin. Photo by Brad Graverson // Daily Breeze

Immediately after UCLA announced that offensive coordinator Kennedy Polamalu wouldn’t be returning next year, the 53-year-old veteran coach fired off a brief tweet before deleting his Twitter account. It simply said “Luke 12: 48b,” referencing a Bible verse that in part states: “From everyone who has been given much, much will be demanded; and from the one who has been entrusted with much, much more will be asked.”

Polamalu expanded on his thoughts on his failed year as UCLA’s offensive coordinator in an open letter to fans that he released Monday through Bruin Report Online. After one of the worst offensive seasons in recent school history, UCLA did not renew Polamalu’s one-year, $380,000 contract, which is set to expire on June 30, 2017.

In his written statement, Polamalu expressed gratitude for the opportunity to coach at UCLA, and took responsibility for the offensive struggles in a year of flux on that side of the ball.

“So while the injury to Josh (Rosen) and the need to rotate lineman certainly didn’t help, at the end of the day the success of the offensive unit was on me,” Polamalu wrote. “Things don’t always work out for a variety of reasons, but I firmly believe that football is about being able to impose your will upon your opponent by physically and mentally dominating them at the point of attack.”