Steelers LB Harrison has knee surgery
{{#rendered}} {{/rendered}}Pittsburgh Steelers linebacker James Harrison had arthroscopic surgery on his left knee Wednesday.
The surgery was performed to remove an impairment that has caused swelling since the spring.
Harrison, a five-time Pro Bowl selection, has yet to practice this summer and is on the physically unable to perform list.
{{#rendered}} {{/rendered}}The 34-year-old Harrison had 59 tackles and nine sacks in 11 games last season.