Apr 21, 2015; Houston, TX, USA; Dallas Mavericks forward Dirk Nowitzki (41) and center Tyson Chandler (6) have a word with official Ken Mauer (41) during a Houston Rockets timeout in the first half in game two of the first round of the NBA Playoffs at Toyota Center. Rockets won 111 to 99.; Mandatory Credit: Thomas B. Shea