Get ready, baseball fans and anime lovers alike — the beloved crossover event ONE PIECE Night is officially returning to T-Mobile Park for the Seattle Mariners’ matchup this coming March 31, 2026.
This fusion of Major League Baseball excitement and the adventurous spirit of ONE PIECE promises to be one of the most memorable nights of the season.
⚾ What’s ONE PIECE Night All About?
ONE PIECE Night is a themed special event where the world of ONE PIECE — the globally popular anime and manga series by Eiichiro Oda — meets America’s favorite pastime. The Seattle Mariners have teamed up with ONE PIECE creators to bring something truly unique to fans of both baseball and anime.
The first iteration of this event in 2025 was a hit, and due to overwhelming fan enthusiasm, the Mariners and ONE PIECE are bringing it back bigger and better.
🗓️ Event Details
📍 Venue: T-Mobile Park, Seattle, WA
📅 Date: Tuesday, March 31, 2026
🆚 Matchup: Seattle Mariners vs. New York Yankees
⏰ First Pitch: 6:40 PM (local time)
🎫 Tickets: Available now via the Mariners’ official ticket portal (through mariners.com).
🎁 What Fans Can Expect
ONE PIECE Night isn’t just a baseball game — it’s an experience. Here’s what’s in store:
✨ Exclusive Mariners x ONE PIECE Jersey
Every ticket includes a specially designed ONE PIECE Seattle Mariners jersey. These commemorative jerseys are set to be one of the must-have collectibles of the season —
perfect for fans of the Straw Hat Crew and Seattle baseball alike.
🎲 ONE PIECE Card Game Demo & More
Ahead of the game, fans can dive into exclusive ONE PIECE festivities at Victory Hall, right across from T-Mobile Park.
Activities include demos of the ONE PIECE trading card game and interactive fan meetups starting in the afternoon.
⚾ Pregame Fun for Every Fan
Gates open early for ticket holders. There’s time to explore, mingle with other fans, and grab your jersey before cheering on the Mariners against the Yankees as night descends over T-Mobile Park.
🎉 Why This Event Matters
ONE PIECE is more than just an anime — it’s a cultural phenomenon, boasting millions of fans worldwide. Pairing this iconic franchise with a Major League Baseball event showcases how fandoms are blending across media and sports. Seattle’s own anime-savvy outfield star Julio Rodríguez even publicly shared his excitement about the event, showing how it resonates beyond traditional fan boundaries.
This event also highlights how modern sports franchises are innovating to draw diverse audiences, create unforgettable experiences, and celebrate pop culture in new ways. From rare merch to interactive fan zones, ONE PIECE Night blends passion, community, and entertainment like no other promotion.
❓ Frequently Asked Questions (FAQ)
Q: When exactly is ONE PIECE Night happening?
A: The event is scheduled for March 31, 2026, with pregame activities beginning in the afternoon and the Mariners vs. Yankees first pitch at 6:40 PM.
Q: Can anyone buy tickets to the event?
A: Yes! While this is a special themed game, tickets are available to the public through the Mariners‘ official site. Given the popularity of last year’s event, fans are encouraged to secure theirs early.
Q: What do ticket holders receive?
A: Each attendee gets a commemorative Mariners x ONE PIECE baseball jersey and access to all themed activities pregame and in-ballpark.
Q: Will there be ONE PIECE activities besides the game itself?
A: Absolutely — fans can enjoy ONE PIECE card game demos and event meetups at Victory Hall, creating a lively fan experience before the big matchup.
🌟 Final Thoughts
Whether you’re a devoted ONE PIECE fan, a Mariners supporter, or simply someone who loves unique cultural mashups, ONE PIECE Night at T-Mobile Park is shaping up to be one of the most exciting events of the 2026 MLB season. Mark your calendars, gather your crew, and set sail for an unforgettable evening of baseball, fandom, and adventure.
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