MODESTO, Calif. (Interstat) — Ching-Hsien Ko singled to left field with the bases loaded in the ninth inning, scoring Francisco Espinoza and giving the Ontario Tower Buzzers an 11-10 victory over the Rancho Cucamonga Quakes on Saturday, Sept. 5. Ontario trailed 10-8 entering the bottom of the ninth. Espinoza’s RBI single made it 10-9, and Kellon Lindsey’s bases-loaded walk forced in the tying run. Ko then delivered the walk-off hit before a crowd of 5,391 at John Thurman Field. Easton Shelton hit a grand slam and drove in four runs for Ontario. Oswaldo Osorio went 3 for 3 with a home run and two RBIs. Ian May (2-0) pitched two-thirds of an inning of hitless relief for the win. The Quakes overcame an 8-2 deficit by scoring six in the seventh and two in the eighth. Angel Arredondo had three hits and an RBI, and Lucas Ramirez homered for Rancho Cucamonga. Brayan Vergara allowed two hits in 3 1/3 scoreless innings. Alex Martinez (3-5) took the loss. Ontario improved to 71-60; Rancho Cucamonga fell to 65-66. The game lasted 3:13.