Head coach Garry Monk believes that his Cambridge United side ‘felt a little bit sorry’ for themselves during Saturday’s 1-0 home defeat to Crawley Town. The U’s were on top for the first of hour of the Sky Bet League One contest at the Cledara Abbey Stadium, but they could not make it count on the scoreboard as a number of opportunities went begging. And they were made to pay for it four minutes from time when Ade Adeyemo struck the winning goal for the visitors. Monk, who has seen his side begin the new season with three straight defeats in all competitions, said: “I’m frustrated for everyon…