Memo: MLB players can use nicknames on back of jersey, wear bright-colored shoes during 'Players Weekend
MLB unveils youthful, colorful uniforms as part of Players Weekend
Boston Red Sox Uniform Lineup
MLB unveils youthful, colorful uniforms as part of Players Weekend
Seattle Mariners Uniform Lineup
New York Yankees Uniform Lineup
Seattle Mariners Uniform Lineup
Seattle Mariners Uniform Lineup
Boston Red Sox Uniform Lineup
MLB unveils 'Players Weekend' jerseys and caps - Bleed Cubbie Blue
Boston Red Sox Uniform Lineup
New York Yankees Uniform Lineup
Boston Red Sox Uniform Lineup