91 players in 91 days: Linebacker A.J. Klein

Photo by Wesley Hitt/Getty ImagesLorenzo Alexander was such an important part of what the Buffalo Bills did on defense over the last four seasons that the team had to sign three different players to replace him. Seriously, how many players are there who can line up as on outside linebacker, then shift down to defensive end for passing downs, then shift inside and play defensive tackle, and then play on over half of the special teams snaps—and all at 36 years old, no less?

The Bills will miss Alexander, but they have replaced him with a slew of good football players—all of whom do at least one of the things that Alexander did well. Quinton Jefferson can play both defensive end and defensive…