Luke Littler has urged Manchester United to swoop for a former Aston Villa and Manchester City midfielder this summer.Ruben Amorim has already been active in the transfer window having spent £130million ahead of the new Premier League season.Littler has named the ‘no-brainer’ signing United should make this summerGettyGettyAmorim has been told to bring a former Premier League star back to England[/caption]Following United’s 15th place finish last term, the club are desperate for a change in fortunes in the upcoming campaign.Bryan Mbeumo and Matheus Cunha have joined the attack from Brentford and Wolves, respectively. Meanwhile, teenage full-back Diego Leon has also been brought to Old Trafford.However, Littler is keen to see more new faces through the door before the window closes.The darts world champion has named his ideal target to bolster Amorim’s midfield in an exclusive interview with talkSPORT Darts.‘The Nuke’ explained: “I’d go straight in for Douglas Luiz at Juve. They’re letting him go. He can hold. He can play further up. No-brainer.”Luiz joined Juventus from Aston Villa on a five-year deal last summer.The Brazilian has struggled to establish himself in the side since arriving in Italy, though.Across all competitions, Luiz featured just 27 times for the Old Lady during the previous season.It could see him return to England despite have four years remaining on his contract.Luiz joined Juventus last summer but has struggled to establish himself in ItalyGettytalkSPORTLittler hailed the Brazilian’s quality in midfield as he discussed potential signings[/caption]He scored 20 goals and provided 18 assists in 175 Premier League appearances for Villa between 2019 and 2024.Luiz was on Man City’s books between 2017-19, although he never made an appearance for them. talkSPORT understands several clubs have been exploring a potential move for the 27-year-old this summer.Amongst them, Nottingham Forest were considering an approach earlier in the window.United are also in the market for a new striker after opening talks to sign Benjamin Sesko from RB Leipzig.A delegation has even been sent to Germany for discussions with officials from the Bundesliga side. Newcastle are also keen to bring the Slovenian centre forward in this summer but the player is understood to favour a move to Old Trafford.When is Luke Littler next in action?As for Littler, the 18-year-old is fresh from completing darts’ Triple Crown.His win at the World Matchplay on Sunday added to his Premier League and PDC World Darts Championship titles.Littler saw off James Wade 18-13 in the final at the Winter Gardens in Blackpool.The teenager is set to return to the oche Down Under next weekend.He is one of eight PDC representatives in the line-up for the Australian Darts Masters in Wollongong.KP Nuts are giving one lucky pub the chance to win an appearance from Luke Littler as part of the ‘Nuts for Darts’ campaign.Rally your landlord to pick up promotional pub cards to enter from 11th August.