John Phalen "Stuffy" McInnis (September 19, 1890 - February 16, 1960) was a first baseman and manager in Major League Baseball. From 1909 through 1927, McInnis played for the Philadelphia Athletics (1909-17), Boston Red Sox (1918-21), Cleveland Indians (1922), Boston Braves (1923-24), Pittsburgh Pirates (1925-26) and Philadelphia Phillies (1927). He batted and threw right-handed. McInnis replaced George Grantham for the last3 games of the 1925 World Series as Pittsburgh won those last 3 games to overcome a 3games to one deficit to win the World Series. McInnins joined an elite group of players to play in a winning World Series with 3 different franchises, including teams in both leagues.