McCray was selected to the 1974 NFL All-Rookie Team as a member of the Patriots, starting all 14 games with three interceptions for 61 yards and a fumble recovery. His best and most memorable season was in 1976. During a game versus the New York Jets on November 21 at Shea Stadium, he intercepted Joe Namath twice and ran back both interceptions for touchdowns totaling 118 yards. He was named to the Patriots 70's All-Decade team in 2009.