Pittsburgh Steelers wide receiver D.K. Metcalf appeared to throw a punch at a Detroit Lions fan during Sunday’s game, an incident that could result in a suspension as the team fights for the AFC North title.

DK Metcalf was involved in an altercation with a fan during the Steelers-Lions game on Dec. 21. Footage showed the Steelers wide receiver, 28, having a tense conversation with a Lions fan before grabbing the fan's shirt and swinging a closed fist at his face.

A viral moment from All-Pro wide receiver DK Metcalf of the Pittsburgh Steelers has taken the internet by storm. What began as a sideline interaction during the second quarter of the 29-24 victory over the Detroit Lions quickly became the centre of an NFL review after Metcalf confronted a fan seated near the Steelers’ bench.

A fan with a reported history of inciting reactions from DK Metcalf at Ford Field denied through an attorney he used a racial slur that prompted the Pittsburgh Steelers receiver to grab and rip his shirt during Sunday's game in Detroit.