New Orleans signed defensive back Trevin Wade , who was drafted by Cleveland and played much of last season, but had been a free agent throughout this season.

Payton had hinted Monday that the injury was serious, but waited until Tuesday to disclose the ACL tear and report that Greer is being placed on injured reserve.

Payton said second-year cornerback Corey White is expected to take over Greer’s spot.


Bradford has surgery

Rams quarterback Sam Bradford has undergone season-ending knee surgery, which was postponed earlier this month because of swelling. Coach Jeff Fisher said Dr. James Andrews did the operation to repair Bradford’s torn left ACL a day earlier in Pensacola, Fla. . . . The Bills released cornerback Justin Rogers. The third-year player opened the season filling in for injured starter Stephon Gilmore, who missed the first five games with a broken hand. Rogers was burned for two deep touchdown passes in a 27-20 loss at the Jets Sept. 22 and was inactive for the past six games . . . The Chiefs released defensive tackle Anthony Toribio and signed DT Kyle Love. The former Patriot started 25 games over the past three seasons in New England, but was waived in May after he was diagnosed with Type 2 diabetes. He was claimed by the Jaguars and cut in September . . . Colts linebacker Erik Walden will miss Sunday’s game at Arizona after losing his appeal of his suspension. Walden was suspended for one game after he ripped off the helmet of Titans tight end Delanie Walker. Walden, who still had his helmet on, then head-butted Walker, drawing a 15-yard penalty.

More on Incognito

NFL special investigator Ted Wells was at the Dolphins complex for a second consecutive day to interview players, coaches, and staff about tackle Jonathan Martin’s allegations of daily harassment by teammates, including guard Richie Incognito. According to a report in the National Football Post, Incognito and at least one other player mocked the ethnic background of a team staff member and made crude jokes about the man’s wife. Also, a lawyer retained by the NFL Players Association is launching a separate investigation into issues of workplace safety with the Dolphins, a person with knowledge of the situation told USA Today. According to the report, Richard Smith — the NFLPA’s lead outside counsel during the Saints bounty investigation — intends to interview witnesses and examine team management’s role in alleged abuse.


Chamberlain dead

Former Boston College fullback and linebacker Frank Chamberlin, who played linebacker with three NFL teams from 2000-05, died from a rare form of brain cancer. He was 35. Chamberlain died Sunday at a northern New Jersey hospital. He was diagnosed with brain cancer about a year ago and soon had surgery in which part of the tumor was removed. Chamberlin was drafted by Tennessee in 2000. He spent three seasons with the Titans and later played with the Bengals and Texans.