<div class='quotetop'>QUOTE </div><div class='quotemain'>Although Alonzo Mourning still hopes to return from last season's serious knee injury, the Heat center required an additional procedure recently amid his comeback bid. Three sources familiar with Mourning's rehabilitation confirmed the procedure but said the center still could be able to make it back to the court by midseason. Because of the uncertainty over the timing of his return, it is becoming more likely that Mourning will not be signed before the beginning of training camp.</div> South Florida Sun-Sentinel