Spanish outlet MARCA reports that Real Madrid are increasingly concerned about a possible suspension for defender Antonio Rüdiger ahead of their Champions League quarter-final first leg against Arsenal.The German international is among four Real Madrid players under UEFA investigation for alleged “indiscipline” during the celebrations following their dramatic penalty shootout victory over Atlético Madrid in the round of 16.While teammates Vinicius Junior, Kylian Mbappe, and Dani Ceballos are expected to receive fines and suspended one-match bans, there are fears that Rüdiger could face stricter sanctions.MUST READ: Tiger Nuts Benefits Sexually: How this superfood can boost your libido and healthRecommended For YouNews2025-04-04T08:14:11+00:00Bank of Ghana cable theft suspect walks on GH₵1m bailBusiness2025-04-03T19:31:21+00:0010 strategic steps to reduce the impact of Trump’s harsh 10% tariff on GhanaSports2025-04-03T18:55:40+00:00Only nation ‘valid’ to host 2025 women’s World Cup revealed as Africa fail to bidThe UK is set to host the 2035 Women’s World Cup as the only valid bidder, pending FIFA approval. Here’s all you must know…The centre-back, who scored the decisive penalty after Carlo Ancelotti substituted young forward Endrick for mental readiness concerns, was seen making an aggressive gesture toward the crowd—described by MARCA as “provocative” and “potentially threatening.”A ban for Rudiger would potentially be even more detrimental to Real Madrid.Injury concerns compound Madrid’s preparationsReal Madrid’s defensive worries extend beyond potential suspensions.READ ALSO: MLS bans Lionel Messi’s bodyguard from pitch over security concernsThibaut Courtois remains sidelined with a muscular injury sustained on international duty and is unlikely to feature against Valencia this weekend, though hopes remain for his return against Arsenal.Meanwhile, Ferland Mendy, Dani Ceballos, Eder Militao, and Dani Carvajal continue to recover from their respective injuries.With the first leg at the Emirates Stadium on Tuesday, 9 April, followed by the return fixture at the Bernabéu on 17 April, Real Madrid must navigate both disciplinary and fitness challenges as they pursue a record-extending 16th Champions League title.The outcome of UEFA’s investigation, expected in the coming days, could significantly impact the tactical setup for one of Europe’s most anticipated fixtures this season.