Najee Harris left MNF vs. Colts due to abdominal injury
Harris suffered the injury in the second quarter. He went to the locker room and didn't return.
Head coach Mike Tomlin said after the game that Harris is being evaluated, and the team will have more information on Tuesday, according to Josh Carney of the Beaver County Times.
The 24-year-old Harris had 10 carries for 35 yards and a touchdown before exiting the game.
Harris has 688 total yards and five touchdowns this season.