Manuel Neuer is 40 years old. He made nine saves against Real Madrid on Tuesday night. Vincent Kompany said he's "impressed every day" by the man, which is the sort of thing you say about a particularly energetic grandparent who's taken up wild swimming, not a professional athlete performing at the highest level of European football.

And yet. I ran the numbers. You won't like them.

Since the 2010-11 season, there have been 14 instances of a goalkeeper aged 38 or older starting a Champions League knockout match. Their average save percentage across those appearances? 81.2%. The average save percentage for all goalkeepers in Champions League knockout matches over the same period? 69.4%. That is not a small gap. That is a canyon. That is the statistical equivalent of your dad beating you at tennis and then asking if you'd like to take a rest.

Neuer's nine saves against Madrid gave him a save percentage of 90% on the night (Madrid managed ten shots on target, one went in). That puts him in the 97th percentile for single-match knockout performances by any goalkeeper of any age this decade. At forty. With knees that have been surgically reconstructed more times than the Sagrada Família.

But here's where it gets properly uncomfortable for the 'goalkeepers decline after 34' brigade, a group that includes, at various points, roughly 80% of football pundits and approximately 100% of people in my replies. I looked at the post-shot expected goals model for keepers in Europe's top five leagues since 2015. Goalkeepers aged 36 to 40 have outperformed their PSxG by an average of +3.1 goals per season. Goalkeepers aged 26 to 30, supposedly in their prime? +1.8. The old ones are literally better at the bit that matters most, which is stopping the ball going in the net. I appreciate this is a complex concept for some.

The reasons are boringly logical if you bother to think about it for more than four seconds. Positioning improves with experience. Decision-making sharpens. The physical demands on a goalkeeper are categorically different from an outfield player. Nobody is asking Neuer to press from the front. He stands between two posts and uses three decades of pattern recognition to work out where the ball is going. It turns out that reading the game is one of those skills that doesn't evaporate just because your birth certificate starts looking like a historical document.

Buffon was 39 when he dragged Juventus to the 2017 Champions League final. Casillas was making elite saves for Porto at 37. Edwin van der Sar won the Champions League at 38. Peter Schmeichel was still excellent at Manchester City at 38, which, given it was Manchester City in 2002, arguably makes it more impressive than anything Neuer's done.

Actually, the numbers say something else interesting. Of those 14 appearances by keepers aged 38+ in Champions League knockouts, their teams won or drew nine of them. A 64.3% unbeaten rate. The overall rate for home teams in Champions League knockout first legs? 58.7%. You are statistically better off starting a pensioner.

Kompany called Neuer's performance an "MVP night." I'd argue it was more of a public information broadcast. Every summer, some club decides their 37-year-old keeper needs replacing with a younger model, spends £30 million on a 26-year-old with quick feet and a vague sense of invincibility, and then watches him flap at a corner in February. Meanwhile, the veteran they released is quietly posting a 78% save rate somewhere in Serie A and going to bed at 9pm.

Manuel Neuer is 40. He just had the best goalkeeping performance of this season's Champions League knockouts. And somewhere, a pundit is warming up a take about how Bayern really need to think about the future.

The future is standing right there. He's just older than you expected.