Newcastle United insist Bruno Guimaraes is not for sale, but the club faces one of its most significant tests since the Saudi Arabian takeover in October 2021.

    Arsenal are poised to make an offer for the Brazilian midfielder, who has established himself as the heartbeat of Eddie Howe’s side.

    It is understood Arsenal have not yet made a formal approach, but their interest represents a serious and credible threat to Newcastle’s ambitions of keeping their best players.

    Guimaraes arrived from Lyon for £35m in January 2022, famously vowing at his unveiling that Newcastle were “going to be a big power in world football.”

    At the time, the club sat 19th in the Premier League, making that declaration seem wildly optimistic to many observers in the room.

    However, the project delivered meaningful progress, with two Champions League qualifications across the following three seasons and an EFL Cup triumph in 2025 that ended a 70-year wait for major domestic silverware.

    The summer of 2026 has still brought difficult news, with Alexander Isak joining Liverpool and Anthony Gordon completing a move to Barcelona in May.

    Tottenham Hotspur have also tested Newcastle’s resolve by submitting an opening bid of around £80m for Sandro Tonali, compounding the sense that rivals are targeting the club’s most valuable assets.

    Former Newcastle defender Emil Krafth, who spent four and a half years alongside Guimaraes, had no hesitation in describing the midfielder’s value to the squad.

    “He’s the most important player in the team,” Krafth said. “He manages the game so well, both physically and technically.”

    Despite Newcastle slipping to 12th in the Premier League last season, Guimaraes finished as their top scorer in the competition with nine goals, including openers against Nottingham Forest, Burnley, Tottenham Hotspur and Crystal Palace.

    He also contributed late decisive moments at St James’ Park, including a 90th-minute winner against Fulham and a stoppage-time penalty equaliser in a dramatic victory over Leeds United.

    Even with a significant injury absence during the campaign, Guimaraes ranked in the top five players across the entire league for defensive line-breaking passes with 46, and through balls with 21.

    He also led Newcastle for passes completed under high intensity pressure, recording an impressive 998 throughout the season, underlining his willingness to accept responsibility under the most demanding conditions.

    His connection with supporters goes well beyond statistics, as season ticket holder Adam Stoker explained when assessing what Guimaraes means to the club and the region.

    “We saw his reaction after the cup final, when he was crying, and that amazing interview he did post-match where the words he spoke in that moment almost summed it up better than any actual Geordie could have,” Stoker said.

    “I don’t think I’ve ever known anyone have this much rapport with supporters. The only person you can put him in the same stratosphere as is Shearer.”

    At the World Cup, Guimaraes went top of the assists leaderboard by setting up Gabriel Martinelli’s late winner against Japan, his fourth assist in four matches at the tournament.

    The financial reality facing Newcastle is stark, with Arsenal spending £346.8m on wages compared to Newcastle’s total revenue of £335.3m in their respective most recently published accounts from 2024-25.

    Guimaraes, who turns 29 in November, is at the peak of his powers, and Krafth summarised the situation plainly when asked about the transfer speculation surrounding his former teammate.

    “If they can keep Bruno, that’s very important for the club,” Krafth said.

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    Rowan Clarke is a lifelong Arsenal fan and seasoned football reporter, covering news across the Premier League and Serie A. Rowan brings readers match analysis, transfer updates, and insider insights from the heart of European football.