A few are out. A handful of others are in.
The Buffalo Bills announced Tuesday they've signed defensive end Lavar Edwards, Defensive tackle T.J. Barns and linebacker Kevin Reddick.
The moves come after defensive tackle Kyle Williams was placed on Injured Reserve at the end of last week and tackle Alex Carrington was lost for the season due to an injury Sunday.
Defensive end Mario Williams' status is up in the air this week.
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