Dallas Mavericks guard Darren Collison, left, and Portland Trail Blazers center J.J. Hickson chase down a loose ball during the first quarter of an NBA basketball game in Portland, Ore., Tuesday, Jan.... more 

Dallas Mavericks guard Darren Collison, left, and Portland Trail Blazers center J.J. Hickson chase down a loose ball during the first quarter of an NBA basketball game in Portland, Ore., Tuesday, Jan. 29, 2013.(AP Photo/Don Ryan) less