Liverpool fans expressed their delight on social media as new signing Darwin Nunez went on a four-goal second-half frenzy against RB Leipzig.Liverpool faced off against RB Leipzig in a pre-season friendly at the Red Bull Arena in Leipzig. The Reds were leading 1-0 at halftime thanks to a Mohammed Salah goal. Nunez was among the four players who were brought on at the start of the second half.The 23-year-old striker immediately made an impact after Luis Diaz was brought down in the box. The resulting penalty was calmly slotted home by the Reds' new signing. The Uruguayan bagged his second after Trent Alexander-Arnold played him through on goal. He completed his hat-trick after Harvey Elliot squared a pass for Nunez to tap in.The former Benfica man added a fourth goal in the last minute. New signing Fabio Carvalho teed up Nunez after a mesmerizing run and the Uruguayan made no mistake. Fans are understandably delighted after Nunez's four-goal demolition job shut down his critics.Several fans took to social media to react to his goals:MySportDab@mysportdabmain@LFC Nunez >>> Haaland twitter.com/mysportdabmain…MySportDab@mysportdabmainRB Leipzig 0-1 Liverpool LIVE STREAM Salah Goal. Firmino Assist WATCH MATCH LIVE mysportdab.com/super-sport-pr…#LFCPreSeason41RB Leipzig 0-1 Liverpool LIVE STREAM 💯 😱Salah Goal. Firmino Assist 😍WATCH MATCH LIVE 👇 🔥❤️ mysportdab.com/super-sport-pr…#LFCPreSeason https://t.co/jzVuosLYqg@LFC Nunez >>> Haaland 🔥 ❤️ 💯 😊 ⚽twitter.com/mysportdabmain…Liverpool Red@lfcredynwa@LFC They said he would be a flop. Hat trick in 23 minutes. Now Man Utd fans are deleting their tweets as we speak.462@LFC They said he would be a flop. Hat trick in 23 minutes. Now Man Utd fans are deleting their tweets as we speak. https://t.co/BcCJk2cBpnAndrew McCullough@AndrewMuckaluck@LFC Is it ok to have two Darwin Days in one calendar year? Am #DarwinDay #LFC twitter.com/lfc/status/155…Liverpool FC@LFC69' - GOAL - HAT-TRICK FOR NUNEZ!!!!!Bajcetic's driving run sees him find Elliott on the right and his low cross is expertly turned in by Nunez.[0-4] | #LFCPreSeason5362369' - GOAL - HAT-TRICK FOR NUNEZ!!!!!Bajcetic's driving run sees him find Elliott on the right and his low cross is expertly turned in by Nunez.[0-4] | #LFCPreSeason https://t.co/kBzdCYXUtE@LFC Is it ok to have two Darwin Days in one calendar year? Am #DarwinDay #LFC twitter.com/lfc/status/155…Cooljay@Cooljay9@LFC Spot on Nunez! No brags but just something to get excited about. The moment Klopp and the recruitment team decides to spend the money on you, you cannot be a flop. It has never been in doubt. And he's yet to fully adapt to the team's style of play, we wait🏾7@LFC Spot on Nunez! No brags but just something to get excited about. The moment Klopp and the recruitment team decides to spend the money on you, you cannot be a flop. It has never been in doubt. And he's yet to fully adapt to the team's style of play, we wait💪🏾😁Fantasy Premier League@OfficialFPL@LFC FPL managers, are you tempted by Nunez at £9.0 now? 🤔62221@LFC FPL managers, are you tempted by Nunez at £9.0 now? 🤔The Redmen TV@TheRedmenTVSame, fella. Same.144660Same, fella. Same. https://t.co/kVAVH9RBtxLevi📡@Anfield00001Darwin NUNEZ he's here and he's perfect 1Darwin NUNEZ he's here and he's perfect 🔥gary@thebiggestimp#Nunez now they will shut up 23minute hat trick.. 3 shots 3 goals..how does it go @Darwinn99 #Liverpool#Nunez now they will shut up 23minute hat trick.. 3 shots 3 goals..how does it go @Darwinn99 #Liverpool https://t.co/drkeDH9vVtSof@sof_redsTwitter comp police is time to show RESPECT to @Darwinn993Twitter comp police is time to show RESPECT to @Darwinn99joelmatipszn😈😈@joalmatipsznHis name is Darwin Nunez, he wears the famous RedI just can't get enough, I just can't get enoughWhen he scores a volley or when he scores a headI just cant get enough, I just can't get enoughHe scores a goal and the Kop go wildAnd I just can't seem to get enough NunezHis name is Darwin Nunez, he wears the famous RedI just can't get enough, I just can't get enoughWhen he scores a volley or when he scores a headI just cant get enough, I just can't get enoughHe scores a goal and the Kop go wildAnd I just can't seem to get enough NunezTemitope@IamTopsy4realDarwin Nunez has silent his critics that it only take time to get those goals coming. A brilliant moment for Darwin has he score his first hard trick for liverpool. Darwin Nunez has silent his critics🤫122Darwin Nunez has silent his critics that it only take time to get those goals coming. A brilliant moment for Darwin has he score his first hard trick for liverpool. Darwin Nunez has silent his critics🤫 https://t.co/hDTw33DsyTLiverpool FC@LFC90' - GOAL - A FOURTH FOR NUNEZ Carvalho's bursting run forward sees him set up Nunez to curl one low into the far corner.[0-5] | #LFCPreSeason12308202890' - GOAL - A FOURTH FOR NUNEZ 👏Carvalho's bursting run forward sees him set up Nunez to curl one low into the far corner.[0-5] | #LFCPreSeason https://t.co/A5QgL8iYkiDarwin Nunez scores four goals as Liverpool put in menacing performance in pre-season friendlyLiverpool blew RB Leipzig away in the second half. Diaz and Nunez's pace proved too much to handle as the German side ended up conceding five goals. Fans seemed delighted with the Uruguayan’s goals, who has been compared to Manchester City’s Erling Haaland due to the timing of his move.The Reds have been in need of a proper striker for several seasons. They have also signed Carvalho from Fulham in midfield.The Merseyside club have unfortunately lost Sadio Mane, who has been a major reason behind their recent success. Regardless, there is plenty of depth in the squad and the way Nunez has started his goalscoring account will put rivals on alert.DR Sports@drsportsmediaDarwin Nunez has scored FOUR goals against RB Leipzig! How many will he score in the Premier League this season? #Nunez #Liverpool #LFC152Darwin Nunez has scored FOUR goals against RB Leipzig! ⚽️⚽️⚽️⚽️How many will he score in the Premier League this season? 👇#Nunez #Liverpool #LFC https://t.co/BRnjsC7nTQFans will also be happy with Carvalho, who was impressive in the second half.Liverpool will play their first official fixture of the season in the form of the FA Community Shield against City on July 30. The two big striker signings in the form of Haaland and Nunez will go head-to-head in what is expected to be a highly entertaining fixture.Both teams will be optimistic of their chances as City have also gone off to a winning start in their first preseason game. They have a friendly against Bayern Munich on July 24. The Reds will now play another friendly against RB Salzburg on July 27.