They sang too for Michael Carrick, who is calling time on a fine professional career after 676 games in club football, 463 of them with United.
Manchester United midfielder Paul Pogba admits he's clashed with manager Jose Mourinho this season. I think the Liverpool game, because of the history and the tradition and everything that goes behind it, it run deeps doesn't it?
"After a lot of consideration, and with a very heavy heart, I have decided the time is right for me to move on", Faria told United's website.
Carrick said after the game in his end-of-season speech as club captain: "I am retiring today and my role changes so I need to thank Jose for the massive opportunity".
Sandro has attracted interest from the Premier League previously, with Chelsea said to have been monitoring the 27-year-old in January.More news: U.S. braces for possible EpiPen shortage
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This makes him a doubt for the FA Cup final against Chelsea as well.
Luke Shaw was the first player off the United bench on the hour, and it might well be the final time that the left-back is seen in a Red Shirts shirt as speculation surrounding his futures gathers pace. "Injured Friday in a training session, yesterday couldn't train".
United have had to settle for second best as a result, but they can still land the FA Cup and Mata believes there is cause for optimism. "He had treatment in the morning [on Sunday] at the training ground".
Sometimes it's hard in the modern era for a player of his vintage to impose himself physically and one 50-50 saw him lose out to the solid figure of Roberto Pereyra.
Watford boss Javi Gracia only arrived in January but faces an uncertain future at a club who have become known for their hire-and-fire policy. I'm not sure if he can do it for 90 minutes, but even if he can, I will bring him off so he can come off on his own.