MLB Celebrates Players Weekend by Allowing Nicknames on Jerseys

MLB and the MLB Players Association have announced the launch of what they call a "player-focused field festival," and the guys taking part are already having a blast with it. 

Players will get a chance to cut loose with their gear, rocking alternate, youth-league-inspired uniforms with self-chosen nicknames on the back.

A few of the players' choices have leaked, leaving fans to speculate on back stories behind monikers like "Stickman," "Flaco Fuerte," "Tsunami" and "La Potencia," to name a few: