First he cleared the basketball from in front of him with a swift foot as if imitating his country's World Cup keeper, Jens Lehmann. Then he tugged at a stationary bike in a hallway in the bowels of the Heat's arena, sort of as he did once earlier Sunday night at Shaquille O'Neal ? to no avail. And just before he disappeared into the visitors' locker room, Dirk Nowitzki took another kick, this time at a small tree of camera lights. Asked Monday back in the Mavericks' practice gym inside American Airlines Center about his outburst after the Mavericks' third consecutive loss Sunday in the NBA Finals, Dirk explained: "Sometimes, you got to let it out." Source