Aye, Bungle, a wise move. The comments below from the BBC report suggests he should have gone.

"Bolton will also look back on a late first-half incident as a potential game changer.

Defender Kyle Knoyle had already been booked and committed several other fouls when he brought down John McAtee.

Referee Ben Toner opted not to give another caution, but Knoyle was replaced at half-time by the visitors."