Mike is probably the most ferocious competitor the league has ever seen; I'm sure we can all agree on that. There are hundreds of stories and examples from back when he played, which prove to just what extent he was crazed with competitiveness.
On October 28, 1987, during what seemed to be just a regular Bulls scrimmage, Michael Jordan stormed out of the practice facilities and accused his head coach Doug Collins of deliberately keeping the wrong score — unfavorable for MJ of course. Consequently, the Bulls decided to fine Michael Jordan an undisclosed amount for misconduct and behavior, which was potentially harmful to the team.
When asked about the incident, Jordan replied:
People may think this to be so trivial, but when you're a competitor and want to win, nothing is trivial. I always keep score in everything, scrimmages, games, whatever, and I know the score was 4-4. Doug said it was 4-3, my team losing. I know after a long, tough practice, the losing team has to run. I felt like he was stacking the odds against me on purpose. If he wants me to run, fine. Stop practice, and I'll run all he wants. But why kill myself in a scrimmage and make me run?
Reporters were also interested to hear what head coach Collins had to say on the matter; however, he refused to comment on the incident.
A similar situation occurred a few years later, when Steve Kerr and MJ had a scuffle. The story goes that Steve was deliberately fouling MJ a couple of plays in a row. Phil Jackson let it slide, so Mike decided to take it into his own hands and started a fight. Jordan was absurdly competitive and wanted to win no matter what and how trivial the activity seemed to be.