Whether it’s football, basketball, or soccer, referees are commonly dressed in black and white striped shirts. Why? The outfit has earned them the nickname “Zebra,” but referees didn’t ...

Referee Tori Penso shows a yellow card to England’s Alex Greenwood, second from right, during a Women’s World Cup semifinal match. Penso will officiate Sunday’s final between Spain and England.

Whether it’s football, basketball, or soccer, referees are commonly dressed in black and white striped shirts. Why? The outfit has earned them the nickname “Zebra,” but referees didn’t ...