Bid on autographed White Sox jerseys, baseballs, bats and other items authenticated by Major League Baseball. Items will be up for bid on the MLB Ballpark app each game. Auction begins when gates open ...

Twins Authentics is the premier outlet for all MLB authenticated game-used and autographed Minnesota Twins Memorabilia. Get the most exclusive memorabilia including game-used jerseys and baseballs, ...

Behind the scenes, many outside the league office have believed that the baseballs used in games have been modified to become ...