Jon Rauch
Jon Erich Rauch (born September 27, 1978) is an American former professional baseball pitcher. At , he is the tallest player in Major League Baseball history. He is also an Olympic Gold Medalist.
Jordan Baker (umpire)
Baker played college baseball at Oklahoma State. At 6' 7", Baker is the tallest active MLB umpire. Baker gained attention during the 2013 season for throwing wads of chewed gum onto the outfield grass after each half inning. Some critics described such action as disrespectful to the players and the ground crews.