Erling Haaland had a debut to forget for Manchester City as they were beaten 3-1 in the FA Community Shield by Liverpool on Saturday.The Reds took the lead midway through the first half thanks to an excellent Trent Alexander-Arnold strike, before new City striker Julian Alvarez netted on his debut after 70 minutes following a lengthy VAR check.Jurgen Klopp's side regained the lead through a Mohamed Salah penalty before Darwin Nunez won the battle of the big summer signings by opening his Liverpool account after coming on as a second-half substitute.The Athletic UK@TheAthleticUKFull-time #FACommunityShield Darwin Nunez scores his first goal for Liverpool in injury time to further seal the win. #LFC 3-1 #MCFC @itvfootball 25432Full-time #FACommunityShield Darwin Nunez scores his first goal for Liverpool in injury time to further seal the win. #LFC 3-1 #MCFC🎥 @itvfootball https://t.co/wp2heH40TCManchester City looked subdued throughout the encounter at the King Power Stadium in Leicester, and while expectations were incredibly high for Haaland's first game in a Sky Blue shirt, his individual display fell flat.The 22-year-old played the full 90 minutes and made several good runs off the ball. However, his performance will be remembered for a horrendous miss in injury time, where he hit the cross bar in front of an open goal inside the six-yard box.City appeared to be struggling to adapt to their play around their new number nine, with the Norwegian striker thoroughly outshone by fellow Premier League newcomers Alvarez and Nunez.Following the full-time whistle, fans of all clubs took to Twitter to mock Haaland following his ineffectual display:Mike@LFCMike_Erling Haaland highlights vs Liverpool | Better than Nunez? 🥶 🥶37761Erling Haaland highlights vs Liverpool | Better than Nunez? 🥶 🥶 https://t.co/noETHdOUVOFooty Humour@FootyHumourHaaland realising he’s swapped playing against Bundesliga farmers to Premier League teams that actually defend in games.2724318Haaland realising he’s swapped playing against Bundesliga farmers to Premier League teams that actually defend in games. https://t.co/ZcRMMDY5j2G@arrywinkshaaland 3 touches in half an hour he’s not fitting into the system89765haaland 3 touches in half an hour he’s not fitting into the system https://t.co/n4ardyhgzzJohn H O N E S T Y@ExJohnHonestyErling Haaland when he isn't playing against part time construction workers that get calls on weekends to play as defenders in top flight German football22630Erling Haaland when he isn't playing against part time construction workers that get calls on weekends to play as defenders in top flight German football https://t.co/VqMJgIG3z1Dubois@CFCDUBoisHaaland had the shock of his life, defender’s actually defend in England & the farmers are farming not playing football.6453767Haaland had the shock of his life, defender’s actually defend in England & the farmers are farming not playing football.Cian 🇮🇪@cianlfc_Erling Haaland first half highlights vs LFC 2022 🥶 🥶 | Better first touch than Nunez 9522Erling Haaland first half highlights vs LFC 2022 🥶 🥶 | Better first touch than Nunez ⁉️⁉️ https://t.co/vY4WrzaGWAM ⭐️⭐️@MarcArmin28@Squawka norwegian Lukaku3@Squawka norwegian LukakuConn@ConnCFCNot going to make any judgements too early but Haaland was giving Lukaku vibes.2590160Not going to make any judgements too early but Haaland was giving Lukaku vibes.Max Russell@russell_maxHope City bring Haaland on at half time41141Hope City bring Haaland on at half timeLaurie@LFCLaurieWas expecting to see a Haaland fail comp later but then remembered they're reserved for big clubs only.41922Was expecting to see a Haaland fail comp later but then remembered they're reserved for big clubs only.Trent Alexander-Arnold praises Darwin Nunez impact as Erling Haaland draws Manchester City blankThe Uruguayan forward was the most expensive Premier League signing of the summer and has already started repaying the huge fee by helping deliver Liverpool their first trophy of the season.Nunez's header also led to the Reds' second-half penalty after Ruben Dias' blatant handball. England full-back Alexander-Arnold was full of praise for his new teammate following the final whistle.He told ITV Sport (as per BBC Sport):"It has got to be up there. He won the penalty, scored a goal and looked very lively. He's been bought in to score goals and he's proved he can do that today."The Athletic UK@TheAthleticUKHarvey Elliott on Darwin Nunez: "He has everything a Liverpool player needs."#LFC104990Harvey Elliott on Darwin Nunez: "He has everything a Liverpool player needs."#LFC https://t.co/11PcCPAGgpThe right-back continued:"He's a top player, a young player who is willing to learn. He's bonded well with the lads. He came on with a point to prove."He added:"Who knows what will happen over the course of the season? Our aim is to be as fit as possible to push them from the very first kick. This was the perfect start and we hope to win trophies along the way."