Point guard Darren Collison is day to day as the Indiana Pacers prepare for Game 3 of their playoffs series with the Chicago Bulls on Thursday, and coach Frank Vogel says he is preparing to play without him. Collison, however, was optimistic following the Pacers' video session at Conseco Fieldhouse on Tuesday. The left ankle sprain he suffered in the second quarter of Monday's game at the United Center remained a concern, but didn't leave him without hope. "I'm a little optimistic," Collison said. "It's getting better as times goes on. Read more: http://sports.espn.go.com/chicago/nba/news/story?id=6390457