2K Sports celebrates the return of the NBA with special Christmas Day games simulations for NBA 2K12. The Christmas Day match-ups are as follows: Knicks-Celtics, Mavericks-Heat, Lakers-Bulls, Thunder-Magic and Warriors-Clippers. The NBA 2K12 crew will provide full game simulations for each match to give fans a chance to see what may unfold on December 25, 2011. The vice president of 2K Sports mark...