Roberto Petagine went 3-for-3 and belted his 21st and 22nd home runs as the Yomiuri Giants defeated the Yokohama BayStars 5-1 at Tokyo Dome on Tuesday night.

Starter Masumi Kuwata (4-2) gave up one run on five hits over seven solid innings for the win.

Trailing 1-0 in the second, Petagine smashed a solo homer into the left-center field bleachers to tie the game.