Twitter has been less than impressed by Martin Keown's commentary for Man United's win at Preston
Former England and Arsenal defender Martin Keown has been in the commentary box for this evening's clash between Preston North End and Manchester United at Deepdale and he's making waves.
Twitter has been lit up all evening with Manchester United fans questioning whether or not his comments are biased and others simply questioning his knowledge of the rules of the game.
Manchester United are on their way to a 3-1 fifth round victory that means they will play Arsenal at Old Trafford in the last eight having trailed to Scott Laird's deflected opener.
Here is the best of the reaction on Twitter to Martin Keown's commentary.