Quarterback Andrew Walter has undergone arthroscopic knee surgery and is expected to be sidelined until Oakland's training camp start date of July 27.
Falcons backup tailback T.J. Duckett will undergo arthroscopic knee surgery this week to clean out debrisand is expected to miss at least two weeks.
With rookie center Al Johnson facing possible arthroscopic knee surgery, ESPN.com has learned the Dallas Cowboys on Tuesday added a veteran snapper to the mix, reaching an agreement with restricted free agent Gennaro DiNapoli.
Veteran free safety Rod Woodson, still rehabilitating from last week's arthroscopic surgery on his left knee, will not play in the Monday night AFC West showdown against the Denver Broncos.
Bucs cornerback Ronde Barber will have surgery within a week or two to repair a partially torn posterior cruciate ligament.
More surgery on Terrell Davis' knee paints a bleak picture of his future in the NFL.