13. Ickey Woods
Woods looked like somebody had lit a fire underneath him when he first entered the NFL. The Bengals fullback had an outstanding rookie season as he emerged as a touchdown machine. In short, he was relentless on his way to the red zone, scoring 15 touchdowns.

But then came a cruel injury. He suffered an ACL tear and was never the same player again. He could never match his numbers from his rookie year because he missed most of his second season. The All-Pro selection only played for three more seasons after that, failing to make the same impact.