Defending champion Jannik Sinner beats Borna Coric in Montreal in return from tonsillitis

MONTREAL (AP) — Top-ranked Jannik Sinner opened his National Bank Open title defense with a 6-2, 6-4 victory over Borna Coric on Thursday in the second round of the National Bank Open. Sinner missed the Olympics because of tonsillitis after a quarterfinal loss to Daniil Medvedev at...