Brian Windhorst reporting the Cavs are courting Leon Powe.Source says Cavs have made a contract offer to Leon Powe. He is ahead of schedule in recovery. He may have some other choices, we'll see. Insight: I think the Celtics are heading full-speed for Glen Davis' house now. Without the second option that is Powe, the Celtics need that fourth big man before the beginning of the season. Hopefully Danny Ainge isn't too cheap and goes over the cap to grab Davis and Marquis Daniels.Odo...