Campbell suffered an abdominal injury during Sunday's 31-24 loss to the Raiders, Zak Keefer of The Athletic reports.

Campbell picked up the issue during the second quarter of Sunday's loss, but he was able to retake the field and play the whole second half. It's encouraging that the rookie second-round pick was able to finish the game, but the nature and severity still remain undisclosed. With T.Y. Hilton (quadriceps) also managing an injury, the Colts may kick off practice this week with only Deon Cain, Zach Pascal, Chester Rogers and Ashton Dulin as healthy options at the receiver position.