I have played a lot of football in school.
I played a lot of football in school.
Situation :- a 35 yr old man explaining to his son how he is so good at football.
Well, football that he had learnt in school, still has its connection with the present (he is still good at it) so I think we should use Present Perfect, but he left school way before, so I also think we should use simple past. Which one's correct ? Please explain!