MANCHESTER UNITED supporters let rip at their former star, Alejandro Garnacho, dishing out a savage chant as he returned to Old Trafford with Chelsea.Garnacho, 21, made a high-profile £40million move from United to Chelsea during the summer transfer window and has already made his debut for the Blues.ReutersGarnacho was ripped apart on his return to Old Trafford this weekend[/caption]GettyHe was left on the bench for the entire duration of the game but that didn’t stop the chants[/caption]GettyGarnacho had been tipped for a long successful future at Manchester United but it wasn’t to be[/caption]He came on against Brentford and Bayern Munich but it’s fair to say Chelsea fans are yet to see the real Garnacho, even though it’s still early days.Against United, the Argentine was left on the bench for the entire game, even though TV cameras caught him at one point taking instructions from manager Maresca.His lack of minutes was a surprise, as some fans felt he would have been motivated to prove a point to his former employers. However, Maresca, forced into early changes due to Robert Sanchez’s red card, decided against bringing Garnacho on.That didn’t stop fans from making their feelings clear about his departure with loud and clear chants.The same ruthless taunt aimed at Carlos Tevez when he made the move from United to their cross-city rivals, Manchester City, in 2009, was unleashed on Garnacho.The fans were in full voice, chanting: “Who’s that t*** from Argentina?“Who’s that money-grabbing w****? “Garnacho is his name and he hasn’t got a brain,“And he won’t be winning trophies any more!”BEST ONLINE CASINOS – TOP SITES IN THE UKThe lyrics, echoing the venom of Tevez’s infamous switch to the Blues, made it clear how United supporters felt about their former wonderkid’s departure.Garnacho, who came through the ranks at United after a move from Atletico Madrid, spent two seasons with the club, making 144 appearances and scoring 26 goals. During his time at Old Trafford, he won both the FA Cup and Carabao Cup.But after falling out of favor with manager Ruben Amorim, Garnacho was deemed surplus to requirements and was sanctioned for a summer exit.AFPGarnacho warmed up but never made it onto the pitch[/caption]PA:Press AssociationCarlos Tevez suffered similar chants when he moved from United to City in 2009[/caption]Chelsea player ratings: Shocking Sanchez sets up horror defeat as Caicedo goes missing with Santos rare shining lightCHELSEA suffered a nightmare 2-1 defeat at Manchester United after Robert Sanchez was sent off in the fourth minute.Enzo Maresca’s side had to play almost the entire match with 10 men following Sanchez’s disastrous foul on Bryan Mbeumo.Goals from Bruno Fernandes and Casemiro set United on their way to victory.But the Red Devils also found themselves reduced to 10 when Casemiro was sent off moments before the break.Trevoh Chalobah pulled one back for Chelsea late on, yet the visitors could not find a way through for a second time.Find out how SunSport’s Katherine Walsh rated the Chelsea stars here.