Cager Longley is a former professional basketball player who played in the NBA from 1996 to 2006. He was a power forward and center for the Dallas Mavericks, Chicago Bulls, Golden State Warriors, and New York Knicks. His nickname was 'The Cager' due to his ability to rebound and score from the post. He was an All-Star in 1997 and was named to the All-NBA Third Team in 1998. Luc, the three letter solution to the crossword, is an abbreviation of Longley's first name, Lucious.