Bayern Munich’s frustration following their stalemate with Mainz has been compounded by the confirmation that Manuel Neuer will miss the final fixture of 2025 through injury, handing another crucial opportunity to summer recruit Jonas Urbig.Following Bayern’s surprisingly gritless 2-2 draw against Mainz at the Allianz Arena on Sunday, the club confirmed that captain Neuer sustained a significant muscle injury during the contest.The 39-year-old goalkeeper, who was visibly grimacing in the closing stages of Sunday’s match, underwent a detailed medical examination in Munich on Monday. The diagnosis - a muscle tear in his right thigh -officially rules him out of action for the remainder of the year. While the timing is unfortunate as Bayern look to consolidate their position at the summit of the Bundesliga, it forces a rotation at the back that sees Urbig return to the starting lineup for the third time in the league this season.The injury adds a bitter postscript to a match that Bayern Munich will be eager to forget. Neuer was kept busy throughout the encounter, powerless to stop headers from Kacper Potulski and Mainz talisman Lee Jae-sung as the visitors exposed rare lapses in the Bavarian defence.Medical staff have indicated that a muscle tear of this severity typically sidelines a player for several weeks. In the middle of a standard campaign, this would see Neuer miss a significant chunk of domestic action. However, the timing of the injury is arguably the only positive to be drawn from the situation. With the Bundesliga entering its traditional winter hiatus after the upcoming matchday, the actual impact on Neuer’s season is minimal. He will miss the trip to Heidenheim but is expected to be fully recovered and ready for the resumption of the league campaign in January.Looking for smarter football bets? Get expert previews, data-driven predictions & winning insights with GOAL Tips on Telegram. Join our growing community now!Neuer’s enforced absence clears the path for 22-year-old Urbig to step back into the spotlight. The highly-rated young goalkeeper, who joined Bayern in the summer with an eye on eventually succeeding the veteran, has already been trusted with the gloves twice in the Bundesliga this season and has reportedly impressed the coaching staff with his displays in training. Vincent Kompany’s willingness to rotate him in earlier in the campaign showed a clear belief in his abilities, and Sunday’s match offers Urbig another chance to showcase his development.Kompany is expected to hand Urbig the start for the final match of 2025 against Heidenheim. This fixture, however, poses a different challenge to his previous outings. Heidenheim, who sit second-bottom of the table, have built a reputation as one of the Bundesliga’s most uncomfortable opponents on their own patch at the Voith-Arena, known for their relentless pressing and set-piece prowess. While Urbig has looked composed in his limited minutes so far, a commanding performance away from home in such a hostile environment would be a significant statement of intent as he looks to cement his status as the heir apparent.Add GOAL.com as a preferred source on Google to see more of our reportingThe loss of Neuer strips the Bayern defence of its most vocal organiser at a critical moment. Without his sweeping presence behind the high line, the tactical dynamic shifts, placing greater responsibility on the centre-back pairing to protect their younger goalkeeper.The team's centre-backs will need to be flawless to ensure Urbig isn't left exposed. The focus in training this week will likely shift to defensive solidity and communication. Kompany knows that ending the year with a win is non-negotiable to keep the chasing pack at arm's length. While Neuer will be frustrated to miss the final game, the upcoming winter break serves as a perfectly timed reset button. Instead of rushing a return, the goalkeeper can focus entirely on his rehabilitation over the festive period. The club’s medical team is confident that with rest and treatment, the tear will heal completely, allowing Neuer to return to team training during the January camp in optimal condition.For now, the spotlight shifts entirely to the collective. Bayern must navigate one final hurdle without their leader. If they can overcome the tough test in Heidenheim and secure a victory with Urbig marshalling the defence, it will prove that the squad has the depth and resilience required for a title charge. The Mainz result was a stumble, and the injury is a setback, but the response next Sunday will define the mood heading into 2026.