MLB orders diversity training after Josh Hader's hateful tweets, National Sports
MLB: Josh Hader must take sensitivity training after tweets
Josh Hader apologizes for offensive Tweets
MLB orders up sensitivity training for Brewers' Josh Hader after 'unacceptable' tweets were exposed during All-Star Game – New York Daily News
Braves' Newcomb apologizes for old offensive tweets
Baseball Tries to Clean Up After Social-Media Fouls - WSJ
Commentary: Ovation for Milwaukee Brewers' Josh Hader feels unsettling
Sean Newcomb, Trea Turner latest MLB players to apologize for racist tweets, MLB
Baltimore Sun
Baseball players' racist tweets are not the whole story (Opinion)