December 13, 2011: The Larry O'Brien trophy during Dallas Mavericks Media Day at the American Airlines Center in Dallas, TX(Credit Image: © Albert Pena/Cal Sport Media/ZUMAPRESS.com Stock Photo - Alamy

December 13, 2011: Dallas Mavericks power forward Dirk Nowitzki

December 13, 2011: Dallas Mavericks power forward Dirk Nowitzki

December 13, 2011: Dallas Mavericks power forward Dirk Nowitzki

American airlines center hi-res stock photography and images - Alamy

Dicembre 13, 2011: Dallas Mavericks avanti potenza Dirk Nowitzki

American airlines center hi-res stock photography and images - Alamy

American airlines center hi-res stock photography and images - Alamy

American airlines center hi-res stock photography and images - Alamy

Dallas mavericks hi-res stock photography and images - Alamy

Dicembre 13, 2011: Dallas Mavericks avanti potenza Dirk Nowitzki

December 13, 2011: The Larry O'Brien trophy during Dallas