Chicago Bear receiver Marcus Robinson will be sidelined for four to eight weeks after undergoing back surgery.
Team physicians give Robinson--one of the Bears' top receivers the last two seasons--a chance to return in time to practice for the regular-season opener Sept. 9 against the Baltimore Ravens.
More than a week into training camp, guard Steve Wisniewski reported to the Oakland Raiders Saturday.
Speculation had swirled around the team's training camp that the eight-time Pro Bowl selection was calling it quits after 12 years.
New England Patriot linebacker Andy Katzenmoyer walked out of training camp because he was worried about a neck injury.
Coach Bill Belichick declined to speculate about the length of Katzenmoyer's absence, and said he has not decided whether to fine him.
Deion Sanders, who retired Friday, has to return only $500,000 of his $8-million signing bonus to the Washington Redskins. He will count $5.7 million against the salary cap next year, but his retirement will save Washington $3.5 million this season.
The Cleveland Browns waived veteran running back Errict Rhett. . . . The Minnesota Vikings agreed to terms with first-round draft pick Michael Bennett, a former Wisconsin running back who was the 27th pick in the draft. . . . Receiver Santana Moss, the 16th overall pick from Miami, signed with the New York Jets. . . . The St. Louis Rams signed first-round picks Adam Archuleta, who was a linebacker at Arizona State, and Ryan Pickett, who was a defensive tackle at Ohio State.