The Dolphins and Gray agreed to a contract Thursday, Armando Salguero of the Miami Herald reports.
Landing the second tight-end role out of training camp, Gray earned 26 offensive snaps and 75 more on special teams over the first four games of 2015, during which he hauled in his only target. In the same game, though, he sustained a broken forearm and spent the rest of the season on injured reserve. Upon joining the Dolphins, he'll compete for one of the few TE spots behind Jordan Cameron.