DALLAS -- Get used to the sight of a bushy beard on Dirk Nowitzki's face. It isn't going away until the 21-28 Dallas Mavericks get back to .500. "It's been rough," said Nowitzki, who made a pact with a handful of teammates recently. "There's been some itching going on. Since we're still down seven games under .500, it's a long way to go."
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