Pittsburgh Steelers star wide receiver DK Metcalf took a swing at a Detroit Lions fan at the game at Ford Field on Sunday, Dec. 21.

Pittsburgh Steelers wide receiver DK Metcalf threw a punch at a fan hanging over the railing at Ford Field in the second quarter of Sunday's game against the Detroit Lions.

The Steelers' star receiver, in his first year with the team as it pursues the AFC North title, was seen swiping at a Lions fan in the stands as he stood on Pittsburgh's sideline at Ford Field.