Before he became known as the Zen Master, as the guy who led the Chicago Bulls and the Los Angeles Lakers to a combined 11 championships, he won two with the New York Knicks.
As a player, Jackson was perhaps slightly better than average, but not by much. He was a good defender and rebounder, and he carved out a nice role with the Knicks, but he was never a star or anything.
In this video, you can see his strengths and limitations: he’s lean and rangy. He’s got really long arms and he gets after it on defense and he has a nice jumper from the foul line.