The head coach of the Washington State Cougars football team helped popularize what offensive scheme?
Air raid offense: In American football the air raid offense refers to an offensive scheme popularized by such coaches as Mike Leach, Hal Mumme, Sonny Dykes, and Tony Franklin during their tenures at Valdosta State, Kentucky, Oklahoma, Texas Tech, Louisiana Tech, and Washington State. Mike Leach (American football coach):  He is the head coach of the Washington State Cougars football team.
air raid offense