The Dallas Cowboys officially placed defensive end Anthony Spencer on injured reserve.

He will under go season ending microfracture surgery on his left knee. Cowboys Owner/GM Jerry Jones broke the news on Dallas/Ft.Worth local radio station (KRLD-FM)105.3 The Fan Tuesday morning.

The Cowboys placed the franchise tag on Spencer the past two season and he guaranteed 10.6 million dollars this year and with this major set back have we seen the last of Anthony Spencer in a Cowboys uniform?