The 33-year-old Spain international joined from Chelsea in 2014 and has made 273 appearances for United, scoring 51 goals.
Mata suffered a slight injury at the first minutes of the game but he could not complete the game after he chased Salah to stop Liverpool’s counter attack.
United's first loss at home in the league since December handed the title to rivals Manchester City with five games to spare.
Manchester United club want to sign Chelsea’s winger, Willian, this summer market to replace Juan Mata.
Manchester United midfielder Juan Mata has welcomed the increased competition for starting spots since the arrival of forward Alexis Sanchez
Manchester United midfielder Juan Mata admits his team-mates are furious after dropping two points at Leicester City.
Pogba got a red card 15 minutes before the final whistle to miss the derby against Manchester City on Sunday.
Manchester United lost 4-0 in their last visit to Chelsea’s stadium, Stamford Bridge, in the Premier League.
Manchester United manager Jose Mourinho has a good relationship with the Spaniard at Manchester, despite Mourinho having kicked Mata.