JAMIE GITTENS is already living the Chelsea dream despite not even putting pen to paper yet.The Borussia Dortmund winger, 20, was spotted celebrating with the Blues on the pitch after their Club World Cup triumph over Palmeiras in the US.GettyEnzo Maresca was forced to speak about a player Chelsea haven’t even officially announced[/caption]Chelsea are building a dynamic young team with some of the best wingersGettyX / @DAZNFootballNew Chelsea signing Gittens spotted with Maresca[/caption]The England Under-21 star’s move from Dortmund to Chelsea is all-but confirmed.However, the club hasn’t had time to announce it yet as they’ve been focused on the Club World Cup.Fans were left stunned when Gittens was seen smiling, hugging players, and soaking up the celebrations as if he’d already lifted the trophy in Blue.One fan commented on X: “Why is he wearing Chelsea gear? We haven’t even announced him yet.”Another excitedly added: “Bro switched jerseys before the announcement.”While a third joked: “Maresca will still tell you he didn’t know he was there.”Then there was a simple one: “He can’t wait.”Gittens looked right at home and Chelsea boss Enzo Maresca admitted the winger would stay with the team for another day before heading off on holiday.BEST ONLINE CASINOS – TOP SITES IN THE UKMaresca said: “Jamie was here tonight, he was on the pitch and he will be with us for one more day — then he’ll go on holiday.”It’s not every day you hear a manager openly discussing a player’s involvement before the club has officially announced the signing. Dubbed the “next Sancho”, Gittens is seen as a perfect fit for Maresca’s young and dynamic side.And if this sneak peek is anything to go by, Jamie can’t wait to get going in Blue.Club World Cup 2025 GuideSOME of the world’s biggest clubs are in action at this summer’s Club World Cup in the United States!Chelsea are keeping Premier League hopes alive in the big tournament which is on until the final at New Jersey’s Metlife Stadium July 13.Though Manchester City have been knocked out by Saudi Pro side Al-Hilal after losing in a 4-3 thriller.Watch EVERY match of the Club World Cup 2025 on DAZNINFOEverything you need to know about the Club World CupLATEST NEWS & FEATURESFans think Chelsea have ‘scammed our way to the final’Dortmund subs in ‘never before seen’ act on the benchJackson to miss last-16 game as ban extendedWatch Lionel Messi score incredible free-kickClub World Cup top scorersChelsea agreed a fee in the region of £55.5million for Gittens to strengthen their wide options following the departure of Jadon Sancho and the doping ban handed to Mykhailo Mudryk.He came through Manchester City’s academy before joining Dortmund in 2020.He made his Bundesliga debut two years later and scored eight goals in 32 league appearances last season.X / @DAZNFootballEagle eyes Chelsea fans spotted a new signing with Maresca[/caption]GettyMaresca is enjoying the ongoing club World Cup[/caption]