Ten man U's beaten 5-1 on day to forget.
It was a miserable afternoon for the U’s, as they were beaten at a wet stadium:MK by a 5-1 scoreline.
They also had Gavin Massey red carded, leaving them with an uphill task for the final half hour.
Danny Potts made his U’s debut but he and his U’s teammates suffered at the hands of Karl Robinson’s Dons.
Potts was one of three changes for Joe Dunne, Andy Bond and Clinton Morrison also starting for the first time since Dunne’s appointment.
The home side went ahead on twenty eight minutes, when Chadwick finished off a good passing move down the right hand side.
It got worse for the U’s on thirty six when Tom Eastman fouled Bowditch and Williams beat Sullivan from the penalty spot.
The second half exploded on the hour with three goals and a red card, with the Dons going 3-1 up through Otsemobor before Ian Henderson reduced the arrears.
Chadwick got his second to make it 4-1 and then the U’s task became tougher, as sub Gavin Massey was dismissed for a foul.
Substitute Ryan Lowe put the icing on the cake, curling home from outside the box to give the home side a nap hand.
The game started in very quiet fashion, with neither side getting close to troubling the opposition keeper in the opening ten minutes.
Dean Bowditch had the first effort at either goal, but his long range effort went side of the U’s goal.
At the other end, Clinton Morrison headed straight into Martin’s hands before the play switched back to the U’s half.
A misplaced pass from Craig Eastmond put Bamford in for the Dons but once again, Sullivan wasn’t troubled as the shot flew over the bar.
On twenty minutes, Balanta was next to have a sight of the U’s goal but also failed to hit the target as his effort went high over the bar.
The home side were growing in confidence and on twenty eight minutes, that turned into a goal, with Luke Chadwick ending the move down the Dons’ right hand side.
His firm sidefoot finish beat Sullivan low to his left and nestled in the net in front of the away following from north Essex.
The U’s were finding it difficult to play their usual football, with the Dons closing them down quickly and it has to be said, very effectively.
A rare break saw Freddie Sears feed Ian Henderson down the U’s left but the cross was cleared just ahead of Clinton Morrison arriving in the box.
That came in the thirty fifth minute and a minute later, it was 2-0 to the hosts.
Bamford got clear in the box and was fouled by Tom Eastman just before he could pull the trigger.
Eastman collected a yellow card and then had to watch Shaun Williams score from the spot to complete the misery.
And it could have been 3-0 in injury time at the end of the half, but Balanta’s shot with only Sullivan to beat cleared the crossbar.
Recent away games had seen the U’s fail to hold onto a two goal lead, could they come back this time.
Boss Joe Dunne decided to attack the Dons from the off, bringing on Gavin Massey for Andy Bond at the start of the second half.
But it was the U’s on the defensive early on, with Okuonghae booked for a foul on Chadwick on fifty one minutes.
A minute later, Chadwick had recovered enough to surge forward and cross low into the box, just in front of teammate Bamford.
Just on the hour, the U’s had a sight at goal but following good work by Wordsworth and Morrison, Massey’s shot was tame and straight at Martin.
You then couldn’t take your eyes off the action, with three goals and a red card in five minutes.
On sixty one minutes, the Dons went 3-1 up, with Otsemobor heading home from a Bowditch corner.
Ian Henderson then reduced the arrears shooting past Martin from eight yards out before Chadwick got a fourth, shooting through Sullivan’s legs after a mistake from Eastman.
The U’s were then reduced to ten men on sixty six minutes, Massey dismissed for a foul right on the touchline.
Dunne then played his last card, bringing on Josh Thompson and Marcus Bean for Eastman and Eastmond.
The home side controlled proceedings with the extra man and nine minutes from the end, sub Ryan Lowe got their fifth with a great curler from outside the box.