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Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →The Seattle Mariners announced on March 20, 2025, that Nintendo of America would become the club’s first-ever official jersey sleeve partner. The planned marks differed by uniform: the Nintendo racetrack logo on home jerseys and a Nintendo Switch 2 logo on away jerseys. The Mariners said the marks would debut on Opening Day, March 27, against the Athletics at T-Mobile Park, and appear during regular-season and postseason games.
Which Nintendo logo appeared on each Mariners jersey?
The arrangement used two sleeve marks, one for each uniform context:
| Uniform | Announced sleeve mark |
|---|---|
| Home | Nintendo racetrack logo |
| Away | Nintendo Switch 2 logo |
The Mariners described this as the first time an MLB club had featured different marks on its home and road jerseys. The announcement covered regular-season and postseason games. Seattle Mariners announcement, March 20, 2025.
When did the sponsorship begin?
The club announced the partnership on March 20, 2025, and named March 27, 2025—the home opener against the Athletics at T-Mobile Park—as the planned debut. The announcement described the marks as part of the on-field uniforms, not as a separate retail release.
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How does the deal fit Nintendo’s history with Seattle?
The Mariners’ 2026 partner announcement says Nintendo’s relationship with the club dates to 1992, when Nintendo helped keep the franchise in Seattle, and again identifies Nintendo as the team’s first-ever sleeve sponsor. Mariners announcement, July 21, 2026.
A 2015 Nintendo shareholder-meeting Q&A offers historical context: then-president Satoru Iwata discussed Nintendo of America’s role as the club’s principal owner at that time and Hiroshi Yamauchi’s involvement. That historical account does not establish current ownership or control. Nintendo, 75th Annual General Meeting of Shareholders Q&A, June 26, 2015.
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Is there a Nintendo Mariners jersey for sale?
The sponsorship announcement establishes the on-field sleeve marks, but does not say that consumer jerseys bearing them were offered for sale. MLB Shop has Mariners jerseys, including 2026 merchandise; the checked Cal Raleigh Nike Home Stadium listing is identified with a 50th-season patch and does not verify a Nintendo sleeve mark. MLB Shop listing.
What was the separate Super Mario promotion?
On September 14, 2025, the Mariners held a Super Mario Day promotion. Nintendo later reported that the first 15,000 attendees received a Super Mario x Mariners hat. This was a one-day attendee giveaway, not evidence that the hat was a retail product or part of the jersey sponsorship. Nintendo, September 26, 2025.
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What the announcement did not disclose
The Mariners’ announcement did not state the sponsorship’s dollar value, duration, or detailed commercial terms. Those figures should not be inferred from the presence of the marks on uniforms.
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