Chelsea attacker Kai Havertz has been lambasted on Twitter for his performance in the side's encounter with London rivals Arsenal on 6 November.Havertz, 23, was chosen in attacking midfield for the game at Stamford Bridge but offered little to no threat whatsoever.The German had one shot on target, made one key pass and lost possession 13 times against Arsenal.He was taken off for Conor Gallagher in the 64th minute after a disappointing outing which has summed up his season at Stamford Bridge so far.Havertz has made 18 appearances in all competitions, scoring four goals.The Blues have been in dire need of goals as they have managed the joint-lowest in the top 10 of the league thus far with just 17.The £70 million fee paid to Bayer Leverkusen for Havertz in 2020 is starting to be criticized as he continues to underperform.Graham Potter's side are heading toward a second consecutive defeat in the league - Arsenal are 1-0 ahead at the Bridge.Gabriel Magalhaes' 63rd-minute close-range finish has jeopardized Chelsea's push for a top-four finish.The Blues are seventh in the league with 21 points.However, fans are mocking Havertz, deeming his movement to be as slow as a tractor.Here are some reactions from supporters on Twitter to another uninspired performance from the German forward:Trey@UTDTreyThis Havertz guy moves like a tractor 8883550This Havertz guy moves like a tractor 😭🐬@mellamodevHavertz is the worst footballer I’ve ever had the misfortune of watching more than once52991Havertz is the worst footballer I’ve ever had the misfortune of watching more than once•@Manny7iDoes havertz even have any good qualities?16512Does havertz even have any good qualities?🅱️@CityReportBenKai Havertz is proof anyone can be a professional footballer. Just get fit and run around.102290Kai Havertz is proof anyone can be a professional footballer. Just get fit and run around.Kelvin Odanz@MrOdanzHavertz is a fool.17127Havertz is a fool.Janty@CFC_JantyIf I truly speak about Havertz I might get suspended.161187If I truly speak about Havertz I might get suspended.Alabi@the_LawrenzHavertz is the most inconsistent player I know.93880Havertz is the most inconsistent player I know.L@Iewdawgoh my god havertz oh my god just when i thought it couldn’t get any worse47618oh my god havertz oh my god just when i thought it couldn’t get any worseChelsea still believe Havertz can be one of the world's best players despite poor performance against ArsenalThe Blues have hopes of HavertzHavertz disappointed against Arsenal, but the west London club's owners are willing to bide their time with the German attacker.Journalist Dean Jones has told GIVEMESPORT that the Blues do not want Havertz's situation to replicate that of Kevin De Bruyne.De Bruyne failed to make an impact at Stamford Bridge and was sold to VfL Wolfsburg just two years into his spell with the Blues.He made just nine appearances for Chelsea but has gone on to become one of the best midfielders in Premier League history with Manchester City.The Belgian has made 325 appearances for Pep Guardiola's side, scoring 89 goals and providing 134 assists.Jones explained how the Blues owners view Havertz, saying:“Now that Chelsea have invested so heavily in him, and I’m told they still believe in him under this ownership, he’s going to be one of the best players in the world."He added:“And Chelsea can’t have another situation where they don’t hold patience with him and see this out, let him join Man City, and then see him shine alongside Kevin De Bruyne and go through that situation again, then try and re-sign him in a couple of years once he’s actually living up to the potential that they thought he had all along.