Billick had to pull McGahee

WillisMcGahee
Former Ravens coach Brian Billick often had to pull Willis McGahee in the fourth quarter of games last year due to poor conditioning.
Poor conditioning won't fly under new coach Jim Harbaugh, whose offseason program has already been more intense than anything Billick ran. Training camp will likely be much tougher under the ex-Eagles special teams coach

(rotoworld.com)