Why Serena Williams, Roger Federer, other tennis stars aren't playing in 2021 US Open Unknown 04:46 The U.S. Open begins Aug. 30. Some of the sport's biggest names will not be there. Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsBritish Open golf: Kevin Kisner early leader, Anirban Lahiri strugglesFour international captains reported approaches to Anti Corruption Unit: ICCLewis Hamilton signs blockbuster Mercedes deal to end speculation over futureBrazil goalkeeper Alisson makes Liverpool switchSaina Nehwal, PV Sindhu, Kidambi Srikanth, HS Prannoy retain places in BWF rank...Hush-hush about Wriddhiman Saha injury exposes messy side of Indian cricket
