Heath Miller acknowledges there have been occasional setbacks in his long recovery from a serious multi-layered knee injury.

“I think in any rehab process there are ups and downs” said Miller the Pro Bowl tight end who was the Steelers' leading receiver last season. “But I definitely think we've had more positives than negatives and I feel good.”

With the regular season less than a month away Miller continues to take his rehabilitation day by day never looking too far ahead. And a man who still walks with a perceptible limp apparently still needs a lot more days before he can play again.

Neither the Steelers nor Miller have suggested any timetable but running back Rashard Mendenhall didn't return from a torn ACL until a month into last season. Miller tore not only his anterior cruciate ligament but his medial collateral and posterior cruciate ligaments Dec. 23 against the Bengals.

He is certain he will play this season — “I'm hoping sooner rather than later” he said — but he won't guess when it might be.