WEST SACRAMENTO, Calif. (Interstat) — Michael Wacha tossed six scoreless innings to lead the Kansas City Royals to a 4-2 victory over the Athletics on Saturday night at Sutter Health Park. Wacha (10-13) allowed just two hits and struck out five for his 10th win. Vinnie Pasquantino provided a key two-run double in the fifth inning. The Athletics scored single runs in the seventh and eighth, but Carlos Estévez earned his 42nd save. The Royals improved to 81-80, while the Athletics fell to 76-85. Attendance was 10,047.