The vast majority of footballers will have long since hung up their boots by the time they reach their 40th birthday.
Not so Claudio Pizarro, whose astonishing longevity means he is still leading the line for Werder Bremen in the Bundesliga as he enters his fifth decade.
The evergreen Peruvian striker celebrates his 40th on Wednesday and can reflect with enormous satisfaction on a career that has seen him over 300 club goals in approaching 750 matches.
Claudio Pizarro celebrates his 40th birthday on Wednesday and is still playing at the highest level with Werder Bremen - his fourth spell with the Bundesliga club
The Peruvian has enjoyed a highly successful and goal-packed career, especially in Germany
Bundesliga: 2002–03, 2004–05, 2005–06, 2012–13, 2013–14, 2014–15
DFB-Pokal: 2002–03, 2004–05, 2005–06, 2012–13, 2013–14
UEFA Champions League: 2012–13
UEFA Super Cup: 2013
Intercontinental Cup: 2001
FIFA Club World Cup: 2013
Torneo Clausura: 1999
The majority of Pizarro's career has been spent in the Bundesliga, with Werdern Bremen and Bayern Munich chiefly, and brief spells with Chelsea and Cologne thrown in.
With 192 goals in the division, Pizarro lies fifth on the all-time list of Bundesliga goalscorers.
And though most of his contributions nowadays come off the bench in what is his fourth spell with Bremen, he clearly feels he has plenty more to offer.
'I feel good. I'm not sure if I feel better than five years ago, but I do feel good,' Pizarro told German