Sean Spence is believed to have torn ACL, LCL, dislocated kneecap

That ugly knee injury suffered by Steelers rookie linebacker Sean Spence has generated an understandably serious initial diagnosis. Per a source with knowledge of the situation, Spence is believed to have a torn ACL, torn LCL, and dislocated kneecap. Spence, a third-round pick from Miami, undoubtedly is headed to injured reserve.  Hopefully, it’s an injury…