Brett Favre recently had arthroscopic surgery on his ailing right shoulder, ESPN reported Sunday night, another indication that the three-time NFL MVP is considering coming out of retirement.
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A message was left with Favre's agent, Bus Cook, seeking comment.
According to the ESPN report, Favre has thrown on a limited basis since the surgery, but he isn't close to 100 percent. A source told ESPN the quarterback wouldn't return "unless he makes significant progress."
Cook told The Associated Press on Friday afternoon that he is unaware of any pending change in Favre's retirement plans. However, Cook declined to comment on Favre's condition, citing client confidentiality.
The Associated Press contributed to this report.