Michael Jordan says he sockedSteve Kerr in the face during a fight at Bulls practice back in 1995 ... and said he felt so badly about it afterward, he had to call the guy to apologize.
"I'm in the shower and I'm saying, 'I just beat up the littlest guy on the f*cking court,'" Jordan said. "And, I felt about this small."
Jordan admitted to all of it in the eighth episode of "The Last Dance" docuseries Sunday ... explaining how Phil Jackson calling "ticky-tack" fouls in a training camp workout led to MJ roughing up the future head coach of the Golden State Warriors.
Jordan says in the preseason after his return to the NBA from a failed baseball career ... he was trying to get his new teammates like Kerr to understand what it would take for Chicago to win another championship.
Yet MJ claims Jackson attempted to "tone me down" in one particularly aggressive practice ... and that pissed off the NBA legend to the point where he intentionally fouled Kerr.
That's when Steve says he punched MJ in the chest ... and Jordan responded with this -- "I just haul off and hit him right in the f*cking eye."
Jordan says he knew he was wrong almost immediately ... and called Kerr shortly after to say he was sorry.
"I feel bad," Jordan says he told Kerr.
But, the good news? Kerr says standing up to Jordan was "the best thing that I ever did" ... and says their relationship "dramatically improved" afterward.
Of course, later that season the Bulls won 72 regular-season games and took home the NBA championship ... prompting Steve to say, "that season has to be the best team I've ever been a part of."