M. C. Adolphus McGuire Jr. (January 18, 1941 â October 19, 2025) was an American professional baseball player. He was a second baseman and shortstop in Major League Baseball who played for the Baltimore Orioles in the 1962 and 1967 seasons. Listed at , , McGuire batted and threw right-handed. He was born in Dayton, Ohio.
In a two-season career, McGuire was a .190 hitter (4-for-21) with two runs and two RBI in 16 games. He did not register an extra-base hit. McGuire died on October 19, 2025, at the age of 84.