YOKOHAMA (Interstat) — Teppei Mataki tossed 3 1/3 scoreless innings of relief as the Yomiuri Giants defeated the Yokohama BayStars 7-2 on Saturday afternoon at Yokohama Stadium.

Yomiuri scored single runs in the first and second innings before exploding for five in the third. Yukinori Kishida doubled in a run in the first, and Kota Hirayama homered in the second. Kishida singled in a run in the third, and Yuto Kohama and Shunsuke Urata each drove in two runs in the inning. Yokohama countered with two runs in the bottom of the third on bases-loaded walks by Keita Sano and Masaki Mimori, but the BayStars grounded into two double plays to stifle rallies.

Mataki (1-0) allowed two hits and struck out three. Hiromi Katayama (0-1) took the loss. Yomiuri outhit Yokohama 11-5. Attendance was 33,518. Game time was 3 hours, 10 minutes. The Giants improved to 13-10, while the BayStars fell to 11-11.