Answered January 31st, 2018

CJ McCollum joins LeBron James, James Harden, Bradley Beal, DeMar DeRozan, and Lou Williams as the only players to score 50 points in a game this season.

Who was the last player to score 50 points in a game this season
Interpreted as:
Who was the last player to score 50 points in a regular season game this season?