Steelers bring back Brett Keisel after he snubs Arizona

Well, now we know why longtime Steelers defensive end Brett Keisel turned down the Cardinals’ generous offer to come out for a visit. Because he’s a Steeler again. According to Adam Schefter of ESPN, Keisel has agreed to return to the Steelers for a 13th season. The move is a win-win, as Keisel lends some…