As others have said, far too many fouls left unpunished. Shirt pulling, grappling, niggly fouls and potential for injury should have been clamped down on with a card. As it was, Burton players got away with repeat fouls all over the pitch.
From the off there were complaints to the 4th official by OUFC regarding the strong arm stuff at every set piece. The long throws and corners were just all in wrestling matches.