Pittsburgh Steelers wide receiver DK Metcalf could be facing some league discipline this week for an altercation that took place in the second quarter of Sunday’s game against the Detroit Lions. It was not an altercation with a player. It was an altercation with a fan. With the Steelers offense on the sidelines and the game in a commercial break, the CBS cameras caught Metcalf talking to a Lions fan in the front row of the stands. It ended with Metcalf appearing to take a swing at the fan before walking away. CBS sideline reporter Tracy Wolfson reported that the fan had called Metcalf over and was holding a No. 4 yellow jersey. She did not have any word on what was said during the exchange. It was clearly something that angered Metcalf. None of the officials on the field saw it happen, so there was no penalty called. The league will almost certainly review that for its own form of discipline. The NFL can not — and should not — tolerate that sort of thing. No matter what is said, there have to be consequenc
