He was one of the smaller players to play the game, standing approximately 5'7" (some sources say he was as short at 5'4") and weighing 140 pounds (64 kg), resulting in his nickname. Keeler was elected to the Baseball Hall of Fame in 1939. He is among the shortest players ever elected to the Hall, and the shortest to appear on The Sporting News' list of the 100 Greatest Baseball Players, where he ranked number 75. In 1999, he was named as a finalist to the Major League Baseball All-Century Team. Having played his last game in 1910, he was the most chronologically distant player on both Top 100 lists.