Detroit Lions wide receiver Calvin Johnson had minor knee and finger surgeries last week, according to general manager Martin Mayhew.
Mayhew told Detroit reporters the knee surgery was a minor arthroscopic procedure.
Johnson caught 84 passes for 1,492 yards and 12 touchdowns while dealing with a damaged finger and dropping more passes than usual.
"He played the entire season with a finger really that was pointing perpendicular from his body the whole season," Mayhew said. "He's trying to catch the ball like that. He would never complain about that, but certainly that was a factor, I think, in the way he played."
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Aaron Wilson covers the Ravens for The Baltimore Sun.