FILE - In this Dec. 17, 2017, file photo, Miami Dolphins offensive tackle Laremy Tunsil (67) lines up against the Buffalo Bills during the second half of an NFL football game in Orchard Park, N.Y. The Houston Texans continued a busy day of trades by addressing a glaring need to upgrade their offensive line by acquiring Tunsil from the Dolphins in a deal which also netted them receiver Kenny Stills, a source familiar with the deal tells The Associated Press. (AP Photo/Rich Barnes, File)

FILE - In this Dec. 17, 2017, file photo, Miami Dolphins offensive tackle Laremy Tunsil (67) lines up against the Buffalo Bills during the second half of an NFL football game in Orchard Park, N.Y. The Houston Texans added six players in four trades this weekend, which included a deal that got Tunsil and receiver Kenny Stills from Miami. (AP Photo/Rich Barnes, File)

FILE - In this Dec. 17, 2017, file photo, Buffalo Bills E.J. Gaines (28) reacts after being injured during the second half of an NFL football game against the Miami Dolphins, Sunday,, in Orchard Park, N.Y. The Bills are giving oft-injured cornerback E.J. Gaines a third opportunity to resume his career by agreeing to a one-year contract. This marks the second consecutive offseason Gaines has signed with Buffalo.(AP Photo/Adrian Kraus, File)