Hayato Sakamoto for his second walk-off homer of the season (and fourth of his career) last night. The homer was also his 18th of the season. That matches the career high he set last season.
In other team related news:
Michihiro Ogasawara knocked out his 20th homer of the season last night. That now gives him 6 straight seasons of 20 or more homers (11 overall).