Arizona Cardinals coach Bruce Arians said outside linebacker John Abraham has not been cleared to return from a concussion suffered in Week 1. Arians made the statement on his weekly SiriusXM NFL Radio appearance Tuesday night. According to a tweet from the show's host, Alex Marvez, Arians said Abraham did not pass the NFL's concussion protocol Tuesday and would try it again Wednesday. Arians announced Monday that Abraham would return from a week-long leave of absence Tuesday. The Cardinals host the San Francisco 49ers on Sunday. If Abraham is cleared to play by then, Arians said he'll return to the starting lineup. Read more http://espn.go.com/nfl/story/_/id/1...ys-john-abraham-not-cleared-return-concussion
