The Buffalo Bills hosted cornerback Nolan Carroll and offensive line Chris Williams on Wednesday, the organization announced on Wednesday.
Carroll is a big, physical cornerback that's been a two-year starter with the Miami Dolphins. He posted a career-best three interceptions in 2013.
Williams is a versatile offensive lineman that can play tackle and guard. He was St. Louis' starting left guard this past season.
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Aaron Wilson covers the Ravens for The Baltimore Sun.