Diouf's ball into Speed's path soon after deserved better than the Welshman's clumsy header over the crossbar, but it was a rare attack by a team under the cosh from their fired-up opponents.
United lost at Wolves and even when they won 4-0 at Wigan last Saturday they were under the cosh for the first 20 minutes and Wayne Rooney should have been sent off for his elbow on James McCarthy.