During a regular training session at Balham FC in 2013, the club's founder and director, Greg Cruttwell, did something out of the ordinary.
When a young boy appeared on Clapham Common in south London asking to join in with his under-11s side, Cruttwell relented. That boy's name was Fabio Carvalho, who has just signed for Liverpool after helping to guide Fulham back to the Premier League.
"I was with another coach and we wouldn't usually let somebody get involved without contacting the club officially first," Cruttwell tells BBC Sport.
"We gave him a go and within 30 seconds you could see he was pretty special.