Which former Mavericks player now serves as a color analyst for the Mavericks' radio broadcast? 
1990–91 Dallas Mavericks season:  During the offseason, the Mavericks signed free agent All-Star forward Alex English, while acquiring his teammate Fat Lever from the Denver Nuggets, and Rodney McCray from the Sacramento Kings. Fat Lever:  Lever also serves as the color analyst for the Kings radio broadcasts.
Fat Lever