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.
You know J.J. Watt, Richard Sherman and Ndamukong Suh, but what about Everson Griffen and DeAndre Levy? They're among five relatively unknown defensive players having an impressive season. Here's a closer look at each.