Ben Davidson of the Oakland Raiders looks mean as he wipes his chin during a rest in the fourth …

Ben Davidson of the Oakland Raiders looks mean as he wipes his chin during a rest in the fourth ...

Ben Davidson of the Oakland Raiders looks mean as he wipes his chin during a rest in the fourth quarter of a game against the Kansas City Chiefs in Oakland, Calif., Dec. 14, 1970. Davidson did his share of shoveling the Chiefs under the sod at the Oakland Coliseum with the Raiders’ revenge win 20-6. (AP Photo/Robert H. Houston)