The defensive coordinator , Don Lindsey , recently left the team .
Three other assistants resigned : Rich Olson , who coached the defensive backs ; Harvey Hampton , who coached the defensive ends , and Mike Tolleson , the defensive line coach .
The defensive coordinator , Don Lindsey , recently left the team , and three other assistants resigned : Rich Olson , who coached the defensive backs ; Harvey Hampton , who coached the defensive ends , and Mike Tolleson , the defensive line coach .