DALLAS, TX - JANUARY 12: Dirk Nowitzki #41 of the Dallas Mavericks shoots a jumper against Darrell Arthur #00 of the Memphis Grizzlies on January 12, 2013 at the American Airlines Center in Dallas, ... more 

DALLAS, TX - JANUARY 12: Dirk Nowitzki #41 of the Dallas Mavericks shoots a jumper against Darrell Arthur #00 of the Memphis Grizzlies on January 12, 2013 at the American Airlines Center in Dallas, Texas. (Photo by Danny Bollinger/NBAE via Getty Images) less