Sharapova pulls out of Rogers Cup with ailment

LONDON, ENGLAND - AUGUST 04: Silver medalist Maria Sharapova of Russia pose on the podium during the medal ceremony after the gold medal match of the Women's Singles Tennis on Day 8 of the London 2012 Olympic Games at the All England Lawn Tennis and Croquet Club on August 4, 2012 in London, England. (Photo by Clive Brunskill/Getty Images)

MONTREAL (AP) -  Maria Sharapova has withdrawn from the Rogers Cup with a stomach ailment.

The second-ranked Sharapova told organizers she picked up the bug at the London Olympics. Sharapova won the silver medal at the games after losing to Serena Williams in the final.

Sharapova was replaced in the draw by Galina Voskoboeva of Kazakhstan.