Floyd Myron "Rube" Kroh (August 25, 1886 – March 17, 1944) was an American professional baseball player who pitched in the Major Leagues from 1906 to 1912. He played for the Boston Braves, Boston Americans, and Chicago Cubs. He is generally credited as the player who got the ball into the hands of Johnny Evers in the famous Merkle's Boner game.