The most basketball free throws scored on NBA 2K9 in one minute is 15, achieved by Brice Tugbenyoh (USA), in Pittsburg, California, USA, on 18 January 2012.

This record was broken on the Guinness World Record Challengers site (Challengers’ tag: flyingphoenix7): http://challengers.guinnessworldrecords.com/challenges/94-most-basketball-free-throws-scored-on-nba-2k9-in-one-minute