Serena Williams said 'I don't know who that is' when she was asked about the 2018 US Open umpire who caused her infamous meltdown

2:51am PDT - August 27th, 2019    venus williams - Business Insider

Serena Williams has said she does not remember the umpire she called a "liar" and a "thief" during the 2018 US Open final. Williams accused Carlos Ramos of sexism following her straight-sets defeat to Naomi Osaka last year. The Portuguese umpire won't be offi…