Arsenal fans have lashed out at Alexandre Lacazette after the French forward announced that he will leave the club once his contract expires on June 30.Lacazette joined Arsenal from Lyon in the summer of 2017 for a then-club-record fee of £46.5 million. The Premier League giants believed the Frenchman had the potential to score 20+ goals per season at the Emirates.The former Lyon star has, however, failed to reach the 20-goal mark during his five seasons with the club. He scored 71 goals in 206 appearances across all competitions for the Gunners.Lacazette endured a disappointing 2021-22 campaign as he scored just four goals in 30 league games. He eventually lost his place in Mikel Arteta's starting line-up to academy product Eddie Nketiah towards the end of the season.Fans are happy to see the back of the forward, with some claiming that he was the 'worst transfer' that the club have ever made.Here are some of the reactions to Lacazette's announcement:gunnerldn@SaltanPepe@Arsenal @LacazetteAlex pound for pound, worst transfer we've made in history.1174@Arsenal @LacazetteAlex pound for pound, worst transfer we've made in history.Factos FC🔴⚪@UnaiLegacy@Arsenal @LacazetteAlex Won't be missed unfortunately171@Arsenal @LacazetteAlex Won't be missed unfortunatelyJack@GranitJacka@Arsenal @LacazetteAlex Thank you for nothing, except leaving22@Arsenal @LacazetteAlex Thank you for nothing, except leavingAD@India_MH12@Arsenal @LacazetteAlex Thank you fr ending nightmare, suffered enough @Arsenal @LacazetteAlex Thank you fr ending nightmare, suffered enough 😭😭😭b ×@besiirs@Arsenal @LacazetteAlex Thank God@Arsenal @LacazetteAlex Thank GodZNM@shaisamufaro@samuelofc @Arsenal @LacazetteAlex The worst signing for that money32@samuelofc @Arsenal @LacazetteAlex The worst signing for that moneyAccording to Eurosport, Alexandre Lacazette will join his former club Lyon on a free transfer this summer following the expiration of his contract with the Gunners. The 30-year-old scored 129 goals in 275 appearances during his first spell with the Ligue 1 giants.MailOnline Sport@MailSportBREAKING: Alexandre Lacazette confirms he will leave Arsenal as a free agent this summer after five years at the club trib.al/lfQD9518717BREAKING: Alexandre Lacazette confirms he will leave Arsenal as a free agent this summer after five years at the club trib.al/lfQD951 https://t.co/9aUi1N4xjjArsenal close to completing signing of Manchester City forwardManchester City v Aston Villa - Premier LeagueAccording to Football.London, Arsenal are close to completing a move for Manchester City forward Gabriel Jesus. The Brazilian would arguably be a massive upgrade on Alexandre Lacazette thanks to his work rate, link-up play, versatility, and natural finishing ability.Gabriel Jesus enjoyed an impressive end to the 2021-22 campaign, scoring six goals in his last seven Premier League appearances. The 25-year-old could, however, fall behind new arrivals Erling Haaland and Julian Alvarez in the pecking order at the Etihad Stadium next season.MailOnline Sport@MailSportGabriel Jesus 'very close' to Arsenal switch from Manchester City as gap in attack at the Emirates grows following Alexandre Lacazette's departure trib.al/fQA8yuM12214Gabriel Jesus 'very close' to Arsenal switch from Manchester City as gap in attack at the Emirates grows following Alexandre Lacazette's departure trib.al/fQA8yuMJesus will, therefore, be keen to join a club where he will lead the line on a regular basis and be the focal point of the club's attacks. The Gunners are ready to make a substantial offer in the range of £42.5 million to £51 million and are in a strong position to land the striker.