Arsenal have been urged not to sell Myles Lewis-Skelly this summer.talkSPORT understands the academy graduate was offered to clubs earlier this month, including Manchester United and Chelsea.Arsenal have been warned selling Lewis-Skelly would be ‘unforgivable’Shutterstock EditorialThe uncertainty over Lewis-Skelly’s future followed the arrival of Bruno Guimaraes from Newcastle United in a £75million deal.As a result of the signing, fresh contact was made over a potential move for Lewis-Skelly.However, the Gunners have now been told not to make a mistake by letting the versatile teenager depart.Arsenal warningDuring The Final Word with Majestic and Alan Pardew on Sunday, Arsenal fan Adam called into the show, where he said any decision to sell Lewis-Skelly would be ‘unforgivable’.Pardew agreed with the stance, replying: “I agree on that. He loves the football club, doesn’t he?“That’s well documented and it seems like in the background they’ve kind of gone, ‘look, this boy is available.’“There’s no smoke without fire. So there has been some conversations around him. But he just looks a terrific asset, doesn’t he?“We know he can play at full-back, he can slip into midfield. That first moment of the game where he does the drag back and the pass was absolutely different class. Brilliant.“So I was really pleased for him today. It was an important game for him.”Lewis-Skelly impressesDespite Lewis-Skelly’s availability in the transfer market, he started the Community Shield on Sunday.Lewis-Skelly acquitted himself well during Arsenal’s Community Shield win over Manchester CityGettyThe youngster was paired alongside Guimaraes in midfield and needed less than a minute to make an impact as Arsenal ran out comfortable 3-0 winners in Cardiff.In what was his 76th appearance for the Gunners’ first team, Lewis-Skelly provided the assist for Riccardo Calafiori to open the scoring after just 23 seconds.The silverware adds to last season’s Premier League title win, their first for 22 years.As for Lewis-Skelly, he was awarded with a new contract last summer through to the end of the 2029/30 season.He has been with the club since 2015, having first joined Arsenal’s famed Hale End academy aged eight.