David Alexander Gray (January 7, 1943 – July 29, 2020) was an American pitcher in Major League Baseball who played briefly for the Boston Red Sox during the 1964 season. Listed at 6 ft 1 in (1.85 m) and 190 lb (86 kg), he batted and threw right-handed. Gray was one of only a few dozen major leaguers to have a perfect lifetime 1.000 batting average. On June 20, 1964, he singled off Milt Pappas of the Baltimore Orioles in the seventh inning of the game at Memorial Stadium. It was Gray's only Major League at bat. He retired after the 1970 minor league season.