Quarterback Donovan McNabb participated in the entire workout yesterday, for the first time since returning to the field for limited work on Monday. McNabb is scheduled to address reporters today, after the Eagles wrap up their final on-field work before training camp starts July 27 at Lehigh . . . The tight end crunch abated with Matt Schobel returning from a hamstring pull . . . Owner Jeffrey Lurie is hoping homefield advantage will help him end the Baltimore Ravens' 2-year run as champs of the NFL softball challenge. NovaCare will host tomorrow's five-team double-elimination tourney, which will feature front offices from the Birds, Redskins, Steelers, NFL office and Ravens. *