Baseball, History, Definition, & Facts
MLB “Player's Weekend” will let players go by their nicknames, wear crazy shoes - Over the Monster
Why do the Red Sox wear yellow jerseys?
MLB Players Weekend: Nicknames of American League players
MLB Players' Weekend: History of nicknames on jerseys in baseball - Sports Illustrated
Some MLB Players Wearing #21, All Wearing 21 Patches Today for Roberto Clemente Day – SportsLogos.Net News
MLB Players Weekend: Nicknames of American League players
Why Do the Yankees Not Have Names on Their Jerseys?
Best nicknames in baseball
2018 MLB Players' Weekend nicknames