Regular visitors of Notinhalloffame.com know that we are slowly working on the top 50 of every major team in the NHL, NBA, NFL, and MLB. Once that is done, we will examine how each team honors its past players, coaches, and executives. As such, it is important to us that the Los Angeles Lakers will be retiring the number 21 of Michael Cooper. Cooper played twelve seasons with the Lakers, bringing strong defense to the “Showtime Lakers” that won five NBA Championships. Individually, Cooper was the 1986/87 Defensive Player of the Year and was an eight-time All-Defensive Selection. He was…