Roki Sasaki Wore the Most Significant MLB Debut Patch of 2025

Roki Sasaki made his major league debut on March 19 in the Tokyo Series in Japan. He was wearing his MLB Debut Patch, which will be affixed to a trading card.
Mar 16, 2025; Bunkyo, Tokyo, Japan; Los Angeles Dodgers pitcher Yoshinobu Yamamoto (left) and pitcher Roki Sasaki (11) stand on the field before the game against the Hanshin Tigers at Tokyo Dome. Mandatory Credit: Darren Yamashita-Imagn Images
Mar 16, 2025; Bunkyo, Tokyo, Japan; Los Angeles Dodgers pitcher Yoshinobu Yamamoto (left) and pitcher Roki Sasaki (11) stand on the field before the game against the Hanshin Tigers at Tokyo Dome. Mandatory Credit: Darren Yamashita-Imagn Images / Darren Yamashita-Imagn Images
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Roki Sasaki made his major league debut on March 19, pitching three innings against the Chicago Cubs in his native Japan. While the start was unremarkable, with Sasaki allowing one earned run on five walks, a hit, and three strikeouts, he was the winter's biggest free agent.

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Last year, several of his Japanese teammates made their major league debuts, including Yoshinobu Yamamoto and Shota Imanaga. Imanaga's patch card was pulled in December. Yamamoto's debut patch card has not surfaced publicly and is still believed to be in a pack.

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Sasaki has some parallels to last year's rookie phenom, Paul Skenes. Skenes made his MLB debut just a few weeks shy of his 23rd birthday on May 11, 2024, while Sasaki will pitch the entire season as a 23-year-old. Sasaki is a two-time NPB All-Star and holds the world record for most consecutive strikeouts in a game with 13.

If he can replicate Skenes' rookie season to some degree, he has the potential to join a type of superstardom only seen by Shohei Ohtani and Ichiro. As for Sasaki's MLB Debut Patch card, its value will depend on how his 2025 season unfolds and how he signs the card. Will the card be signed in script, kanji, or both?

For comparison, Skenes' MLB Debut Patch card is currently at $840,000 with a buyer's premium on Fanatics Collect. So far, there have been 59 bids for the card, with more than one day left in the auction.

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Horacio Ruiz
HORACIO RUIZ