Manchester City striker Sergio Aguero keeps the shirts from every match in which he's scored.
The Argentinian has scored a staggering 201 goals since joining City in the summer of 2011 and became the club's record goalscorer when he struck his 178th against Napoli last season.
But it seems as though he still sees every single goal as important, as revealed in a new documentary from Amazon.
In Manchester City: All or Nothing, which was released on Friday morning, Aguero is giving a tour of his house to the cameras.
The 30-year-old shows off his collection of hat-trick balls before taking them into his wardrobe, where he reveals a pile of City shirts.
He then admits that they are from when he has scored in games, before adding: 'I write the date, match and the minute of the goal.'
Aguero gave an open interview with the documentary makers, talking about the fact that his son Benjamin lives in Argentina with his mother. He said: 'Most of the time, I'm on my own'.
But he does have one unlikely friend in Manchester – Manchester United goalkeeper David de Gea.
'I hang out a lot with De Gea,' he said, 'because we played together at Atletico Madrid. We have a good relationship from then.
'But he plays for United and I play for City'.
Aguero also revealed after a game against Leicester that Benjamin had asked him for Jamie Vardy's shirt, calling the striker a 'phenomenon'.
Premium_City
81
Aguero...He is the best CF for me in the Premium League, Kane maybe a competative for him but i rather choose aguero... the time he hold the ball im sure something will happen at that moment...maybe a goal is scored or maybe an assist is made... He have 200 and i hop he totally scores 300 for the coming 3 season.... AGUERO THE BEST
Elsa98
63
If aguero stay fit this season, i think he can score more than 40 goals and win the golden boot! All the best, aguero!
12UnitedGuy
49
but imagine a m fan kid asking him for his shirt after a match he scored in what will he do then?