Jessica Pegula defeated Amanda Anisimova 6-3, 2-6, 6-1 in an all-American final on Monday to win the WTA Toronto Masters, becoming the event's first back-to-back champion since 2000. Jessica Pegula of the United States celebrates her victory over Amanda Anisimova of the United States in the women's singles final on the final day of the National Bank Open Sixth-ranked Pegula …