Miami Dolphins Sign EDGE Amari Gainer to Practice Squad

The Miami Dolphins signed EDGE Amari Gainer to their practice squad on Thursday. Gainer previously spent time with the Dolphins' practice squad last month and has prior experience with the Las Vegas Raiders and New England Patriots. To make room for Gainer on the roster, Miami released defensive lineman Keith Cooper Jr. as the team prepares to welcome the Cincinnati Bengals to Hard Rock Stadium.