The pushy father behind JJ Gabriel's Man United quit bombshell: Why agents have long been in disbelief at his behaviour, how he riled families of other starlets and why he'll stop at nothing to fast-track his son to the top

Joe O'Cearuill, a former Ireland international who burns with ambition for his son's career, is the capricious and demanding figure who United must satisfy if they are to hang on to their academy talent.