Then draft or sign a new RB.
Maybe he had injuries that held him back, but I saw PLENTY of plays in many games where he ran right up to the hole
then slowed the F down because there were defenders out there. If there is no one around he hits the hole, but otherwise it sure as hell
looks like he is tentative more times than not. I would give other RB's the opportunity to show what they got and make a BETTER claim to the position.