The Oregonian (Joe Freeman) reports: A debut of despair was supplanted by an evening of relief for the Trail Blazers and rookie center Greg Oden on Wednesday. A magnetic resonance imaging performed on the 7-foot player revealed some relatively good news: Oden has a mid-lateral right foot sprain and only will miss two to four weeks. Oden, who suffered the injury Tuesday night during the Blazers’ season-opening loss at the Los Angeles Lakers, is expected to miss between six and 14 games.