The Buffalo Bills signed fullback/running back Mike Tolbert in the early stages of free agency, and he might just carve out a super-specific yet vital role in 2017 that has nothing to do with running or lead blocking.
Per Pro Football Focus, Tolbert is one of the league finest pass-protection backs in football:
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From the article on Tolbert’s pass-blocking prowess:
“Tolbert’s role in Carolina’s offense fluctuated greatly over the years since he joined the league in 2008. In particular, he was used as a pass- or run-blocker for over 50 percent of his snaps both in 2015 and 2016.