野手→投手で成功例ってあるんか？
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All-Pro Reels from District of Columbia, USA - Jacob deGrom pitches in the 2nd inning from Nationals vs. Mets at Nationals Park, September 26th, 2020 (All-Pro Reels Photography), CC 表示-継承 2.0, https://commons.wikimedia.org/w/index.php?curid=94561705に...
