After Manchester United's defeat to Arsenal in the FA Cup quarter-final on Monday night at Old Trafford, many hame fans were distraught at the performance put in by Louis van Gaal's men - including Sir Alex Ferguson.
The Scot is the greatest ever manager of the Red Devils and it is understandable that he was a bit miffed, so the gloating of celebrity Arsenal fan Piers Morgan didn't help his mood - that's what it looked like anyway.
British television presenter Eamonn Holmes is a celebrity Manchester United fan and is present at most games. He is also a friend of Ferguson and watched Monday's match with him in the director's box.
It was painful viewing; local boy and summer transfer from United to the Gunners, Danny Welbeck, decided the match when he pounced on a poor back pass from Antonio Valencia to make it 2-1 after Wayne Rooney had cancelled out Nacho Monreal's opener.
When the final whistle blew Morgan was his usual graceful self and send a goading message to Holmes, fellow Manchester United celebrity fan in Usain Bolt and Chris Gayle, while also, of course, including Robin van Persie in there. Holmes responded with a message from Ferguson, which did not hold back….
Ferguson isn't actually on Twitter so we can't really know if he asked Holmes to pass on the message to Morgan, but we do know that the Scot is not one to keep his counsel when somebody is annoying him - and to do so with some choice language.
Could Ferguson Save United?
Lots of United fans will have been wishing Ferguson was sitting in the dugout and not in the stands, as this was the kind of match he thrived in when in charge. Van Gaal's team were lively in the first half, but struggled to impose themselves after the break.
Ferguson always knew what needed to be done to defeat rival Arsene Wenger and in the final few years they faced off against one another he rarely came away from matches between the teams without a win.
So far Van Gaal has failed to even get close to the brand of football United played with Ferguson in charge and now have only a top four finish to go after in the Premier League following the Cup exit.
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