Edwards rode a stationary bike, ran sprints and stretched while his teammates sweated through the first of two practices Saturday under first-year Browns coach Eric Mangini.
Edward, who missed mini-camp in June with a leg injury, deflected questions about the nature and severity of his injury to Mangini.
He offered no specifics about it either and said Edwards would practice once he receives medical clearance.
Mangini did confirm that Edwards was late in reporting to camp, but said he has been impressed with the Browns' top playmaker's attitude and work ethic.
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Jimmy Spithill skippered Oracle Team USA to its first victory in the 35th America's Cup on Saturday, taking a thriller in Race 6 on the Great Sound to slow Emirates Team New Zealand's momentum.