Not only is it looking more and more like Jim Harbaugh might be coaching elsewhere next season, but his replacement might already be on the 49ers coaching staff. And San Francisco could have a vastly different look come 2015.
The NFL's best offenses are piling up gaudy numbers in the passing game. How are the Mannings and Lucks getting it done? Here's a look six of the league's top quarterbacks and how they're getting it done.