Novak Djokovic upset by Alexei Popyrin in 3rd round of US Open
NEW YORK -- Defending champion Novak Djokovic[1] was shocked at the US Open one night after Carlos Alcaraz[2] was, bowing out in the third round with a 6-4, 6-4, 2-6, 6-4 loss to 28th-seeded Alexei Popyrin[3] of...