It is an on-field jersey. This is the special jersey the MLB players wore the weekend of the Little League World Series to promote youth baseball. It
Authentic Aaron Judge Yankees Players Weekend Nickname LL World Series Jersey 48
Yankees unveil nicknames and jerseys for Players' Weekend
Yankees Players' Weekend nicknames
MLB: Players Weekend means Yankees break with uniform tradition
The Yankees' best and worst of Players' Weekend nicknames
MLB Players Weekend Nickname Jerseys, Shirts & Gear 2017
NEW YORK — Batting cleanup and playing right field: All Rise
MLB players get to wear nicknames on their jerseys for one weekend
Baseball players show off style for MLB Players' Weekend
Sights from Players' Weekend
Players' Weekend Returns For Third Straight Season