long running history of coaches behaving badly. >> reporter: if you ain't cheating, you ain't trying. that old saying is alive and thriving in sports. that's jason kidd head coach of the brooklyn nets basketball team. his team is down by two points with eight seconds left and no time-outs. as one of his players walks to the bench, you can see him play "hit me," then spills his drink on the court. guess what? the game is stopped to clean up the mess giving the nets time to draw up one last play. >> jacoby jones! >> reporter: then there's head coach of the pittsburgh steelers accidentally or intentionally -- you decide -- getting in the way of a ravens player streaking toward a sure touchdown at a crucial point in the game. tomlynn says he lost track of where he was on the field. the ravens say it was deliberate. >> i'm look at him the whole time. i'm like, i'm like, is he going to move 0? >> he knew where he was, knew where jacoby was. he pulled my move.