殆ど日本人です。契約金も考慮したランキングで、トップ３は井川慶、松坂大輔、伊良部秀樹でした。

英語の記事は↓

Worst International FA Signings

MLB teams have been constantly fine-tuning their player-evaluation methods, but there will always be a crapshoot element to scouting. With international players in particular, it’s difficult to project major league success with any certainty……