Tuesday was a little surreal for Miami Heat center Greg Oden. Not only was he going through his first NBA practice in four years, but it was taking place in the middle of a hotel ballroom on a tropical island. The Heat opened training camp with a standard, defensive drill-oriented workout in a warehouse-like conference center at the Atlantis Resort. Oden took part in about half of the practice, but that still was a significant step as he attempts a long-shot comeback after not playing since December 2009 because of chronic knee problems. "It felt good just being out there. It first time in a while, I'm happy I got it completed," Oden said. "They had to pull me off the floor. But I've got to take steps." Read more http://espn.go.com/nba/truehoop/mia...eg-oden-miami-heat-practices-first-four-years