ENS stories: ballboy.eth Ball boys (and ball girls) retrieve and supply balls for players or officials in sports such as football, American football, cricket, tennis, baseball and basketball. Though non-essential, their activities help to speed up play by reducing the amount of inactive time. But there have been some moments of fame for ball boys. Like 15-year-old Callum Hynes, who propelled Tottenham's crucial equaliser against Olympiakos in a Champions League match in 2019 -and got the recognition he deserved by Jose Mourinho!