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 "2011–12 Portland Trail Blazers season"): The Trail Blazers also parted ways with their number one pick from the 2007 NBA draft Greg Oden after an injury-marred short career with the team.
Relevant evidence: No