The NFL suspended Pittsburgh Steelers receiver DK Metcalf for two games without pay Monday, one day after he took a swing at a fan in Detroit.

A two-game suspension levied on former Seahawks receiver DK Metcalf, now with the Pittsburgh Steelers, has been upheld following an appeal, the NFL announced Tuesday afternoon.

“One thing I don’t understand in these situations,” Cameron Heyward said of DK Metcalf’s suspension announced Tuesday evening, “is when a guy gets suspended we keep him out of the locker room, we keep...