Bryce Harper's confrontation with Rob Manfred has gained attention across Major League Baseball, and one former player is warning Harper about it.

MLB commissioner Rob Manfred has been far from popular as the major don of America's pastime, with his agenda on the pitch clock, universal DH and ghost extra-innings runner being viewed as polarizing.

Philadelphia Phillies star Bryce Harper had a confrontation with commissioner Rob Manfred during a meeting with the team last week, reports ESPN. Harper told Manfred to "get the f--- out of our clubhouse" if the commissioner wanted to talk to Phillies players about the possibility of a salary cap.