The Buffalo Bills have done an excellent job this offseason by addressing numerous areas of weakness. They found a run-stuffing linebacker (Brandon Spikes), a starting left guard (Chris Williams) and a big wide receiver (Mike Williams).
Even though the front office has been successful in correcting a number of weaknesses from last year, it has not been a perfect offseason. There are some moves, or lack thereof, that may come back to haunt the Bills.
These are four moves that the Bills will regret not making this offseason.