Ref was generally good, encouraged the game to flow.
Thought it a certain red on Biamou though, by the laws of the game;
Serious foul play is a foul committed using excessive force (i.e., "the player...is in danger of injuring his opponent")
Also, as someone else mentioned, the MK manager should have been dismissed for encroaching onto the field of play too. In an era where Mourinho etc get sent to the stands just for straying out of their Technical Area this should have been cut & dry.
MK could arguably have had a couple of yellows before for fouls on Biamou too, the rugby tackle on the halfway line and the hand into the face when running into the area were surely worthy.
Generally, happy enough though.
The less said about the ‘Assistant’ nearest us though the better...