Oxnard, CA (SportsNetwork.com) - Dallas Cowboys defensive end Anthony Spencer was placed on the active/physically unable to perform list Thursday.
Spencer continues to recover from microfracture knee surgery. He played in only one game last season.
Spencer has 363 tackles, 32 1/2 sacks and one interception in 91 games for the Cowboys since they drafted him in the first round in 2007.
In other team news, the Cowboys placed defensive tackle Amobi Okoye on the active/non-football illness list. He signed with the club in the offseason after missing all of last year due to personal issues.
Guard Ronald Leary also landed on the PUP list.