Graham Harrell was once college football's next big thing. A record-shattering quarterback at Texas Tech that played in, and studied under, Mike Leach's innovative Air Raid offense, Harrell went into coaching after a brief stint at the professional level and earned his first offensive coordinator gig at just 31 years old.

Purdue coach Ryan Walters has fired his offensive coordinator, Graham Harrell, four games into their second season together with the Boilermakers.

Purdue coach Ryan Walters has named analyst Jason Simmons the play-caller after firing offensive coordinator Graham Harrell on Sunday.