Real Madrid have not included Casemiro in their squad for their upcoming clash with Celta Vigo, amid reports he is set to join Manchester United.Los Blancos tweeted out their squad for their match on Saturday event (August 10) at the Estadio de Balaidos. The midfielder was a notable omission from the team.Real Madrid C.F.@realmadrid ¡Nuestros convocados para el #CeltaRealMadrid!10847940📋✅ ¡Nuestros convocados para el #CeltaRealMadrid! https://t.co/mHAoj2fQHIThe Spanish champions got their La Liga title defense off to an unconvincing start last week with a 2-1 victory over Almeria, a game in which Casemiro started as a substitute. Los Blancos managed to pick up all three points thanks to goals from Lucas Vazquez and David Alaba.New signing Aurélien Tchouaméni replaced the Brazil international in the starting lineup, which fuelled speculation over the defensive midfielder's future.According to Sky Sports, Manchester United's search for a holding midfielder may finally be coming to an end, as they have agreed a £59.2 million fee for the tenacious South American.Casemiro is set to sign a four-year deal at Old Trafford. The Brazilian made 336 appearances for Los Blancos, scoring 31 goals. He was also a crucial part of the side that won the Champions League five times.Fabrizio Romano@FabrizioRomanoCasemiro to Man United, here we go! Real Madrid accepted all details of the bid, clubs preparing contracts right now. €60m fixed fee, €10m add-ons #MUFCCasemiro has full agreement on four year deal, option until 2027.Medical and then visa to be sorted during weekend.11953727460Casemiro to Man United, here we go! Real Madrid accepted all details of the bid, clubs preparing contracts right now. €60m fixed fee, €10m add-ons 🚨🔴🇧🇷 #MUFCCasemiro has full agreement on four year deal, option until 2027.Medical and then visa to be sorted during weekend. https://t.co/tiuAdkCR81Real Madrid boss Carlo Ancelotti confirms Casemiro wants to leave amid Manchester United interestAhead of their weekend trip to Celta Vigo, Ancelotti was asked about Casemiro's future. The Italian confirmed the player's desire to leave the Spanish capital.The veteran manager told a press conference (as quoted by The Guardian):“I have spoken with Casemiro. He wants to try a new challenge. We understand his decision."He added:“[As far as a] replacement [is concerned] we have signed [Aurélien] Tchouaméni and he’s one of the best on the market. Then we have [Toni] Kroos and [Eduardo] Camavinga."Fabrizio Romano@FabrizioRomano Ancelotti confirms Casemiro’s decision to join Man United: “I have spoken with Casemiro. He wants to try a new challenge. We understand his decision”. #MUFC“Negotiations are ongoing but he has decided to leave Real Madrid”.11515913277🚨 Ancelotti confirms Casemiro’s decision to join Man United: “I have spoken with Casemiro. He wants to try a new challenge. We understand his decision”. #MUFC“Negotiations are ongoing but he has decided to leave Real Madrid”. https://t.co/GcaydjtiAu