Question: Which shooting guard was called "The Natural" by the Trail Blazers announcer Brian Wheeler and announced his retirement during the same season that head coach Nate McMillan was fired?
Sentence (from "Brandon Roy"): On December 10, 2011, Roy announced his retirement from basketball due to a degenerative knee condition, though he returned in 2012 to play five games for the Timberwolves.
Relevant evidence: No