In 1990 Shell led the Raiders to a 12–4 record. Behind Bo Jackson's spectacular play, they beat the Cincinnati Bengals in the divisional round of the playoffs. However, Jackson suffered a severe hip and leg injury after a tackle during the game. Without him, the Raiders were blown out 51–3 in the AFC Championship by the Buffalo Bills. Jackson was forced to quit football as a result of the injury, although surgery allowed him to continue playing baseball until he retired in 1994.