Seth Lonsway: live stats, Statcast data and splits for the San Francisco Giants left-handed pitcher.
In 2026, the season he made his MLB debut on August 29, Seth Lonsway made 2 appearances in relief for the San Francisco Giants. The left-hander worked 2⅓ innings with a 7.71 ERA and a 3.00 WHIP, with 2 strikeouts and 0 walks. He was worth 0.1 fWAR.
Before his call-up, he posted a 5.11 ERA over 91⅔ innings at Triple-A Sacramento River.
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