Wimbledon 2018: What keeps umpire Richard Haigh up at night?
Carlos Ramos, Umpire Known for Rigidity, Lands in U.S. Open Firestorm - The New York Times
Umpire for Wimbledon Final Is Fired Over Interviews - The New York Times
Marijana Veljovic: Meet the 'super pretty' tennis umpire setting pulses racing at the Australian Open — RT Sport News
Umpire Marijana Veljovic Becomes Internet Sensation After Cautioning Roger Federer For Obscene Language During Australian Open | India.com Sports News..