Dallas Cowboys linebacker Justin Jackson (57) practices Friday before tearing his ACL, costing him his season.
Dallas Cowboys linebacker Justin Jackson (57) practices Friday before tearing his ACL, costing him his season. Paul Moseley TNS
Dallas Cowboys linebacker Justin Jackson (57) practices Friday before tearing his ACL, costing him his season. Paul Moseley TNS

Cowboys lose another LB as Justin Jackson tears ACL

August 02, 2015 12:48 AM