MLB players can wear nicknames on their jerseys for one weekend
MLB allows more players to wear No. 21 to honor Roberto Clemente – NBC Sports Chicago
Astros to wear nickname jerseys during Players Weekend - The Crawfish Boxes
Players Weekend means Yankees break with uniform tradition
MORE
Baseball Loosens Rules and Opens Door to a Vibrant Weekend - The New York Times
2018 MLB Players' Weekend nicknames
NHL: Should league embrace a players' game like MLB does?
Players Weekend - Wikipedia
MLB Players Weekend: Best nicknames players will have on jerseys
MLB Players' Weekend: History of nicknames on jerseys in baseball - Sports Illustrated
MLB Players' Weekend jerseys: A good idea that turned bad - The Washington Post
Imagine if Yankees icons wore nicknames on their jerseys