Updated

Michael Dyer will have to follow a strict code of conduct playing for Louisville.

Cardinals coach Charlie Strong said Monday that the former Auburn running back must sign a behavior contract and be subject to a zero-tolerance policy as conditions of joining the program.

Dyer rushed for more than 1,000 yards in each of his two seasons at Auburn but was dismissed and transferred to Arkansas State, where he never played after a March 2012 traffic stop for speeding that also revealed a gun and drugs in his car. He wasn't charged with a crime.

Strong says his program's core values don't include doing drugs or carrying guns, but people deserve second chances.

The coach says, "I can't change his past, but only hope to help build on his future."