Anthony Spencer’s agent Jordan Woy tweeted that his client will undergo season-ending knee surgery.
Cowboys' Anthony Spencer will have season ending surgery. Dr says he will be 100% by Jan or Feb.
— Jordan Woy (@JordanWoy) September 24, 2013
If Spencer has to undergo microfracutre surgery then his career could be in jeopardy.
Microfracture surgery has ended the careers of many different players.