MLB will get a whole new look when teams take the field at the end of August - ESPN
Rapid reviews of all 30 MLB 'Players Weekend' caps
Complete List of MLB Players Weekend Nicknames, Caps, Jerseys for 2018 – SportsLogos.Net News
MLB Players' Weekend 2019: Best jersey nicknames for every baseball team
Players Weekend” to include nicknames on players' jerseys, by Rowan Kavner
Players' memorabilia stories: There's more than meets the eye - Newsday
I'm Not A Headline Guy Sports ramblings…with a Yankees bias!
Memo: MLB players can use nicknames on back of jersey, wear bright-colored shoes during 'Players Weekend
Best Players' Weekend nicknames
MLB “Player's Weekend” will let players go by their nicknames, wear crazy shoes - Over the Monster
2019 MLB Players' Weekend uniforms will still have nicknames, they just won't have any color
MLB Players' Weekend: History of nicknames on jerseys in baseball - Sports Illustrated