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- "The Incredible Hurk" = Rick VandenHurk, Dutch baseball player
- "Irish" = Emil Meusel, United States baseball player
- "I-Rod" = Iván Rodríguez, Puerto Rican catcher
- "The Iron Horse" = Lou Gehrig, American first baseman
- "The Iron Man" = Cal Ripken, Jr., American shortstop
Read more about this topic: List Of Baseball Player Nicknames