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Fast Food
Buy one medium sub and get one free with code POST when any MLB Postseason game goes to extra innings. Redeem the next day in the Firehouse Subs app or at FirehouseSubs.com. Firehouse Rewards account required (free to join). Franchise-operated; confirm the offer is honored at your location before ordering.
Active Dates
Oct 23 – Oct 31, 2026
Signup Required?
Yes
Terms & Conditions
Firehouse Rewards account required (free to join). Triggered when any MLB Postseason game goes past the 9th inning. Buy one medium sub, get one medium sub free with code POST. Redeem the next day in the app or on FirehouseSubs.com. Participating locations only. Valid through the end of the 2026 World Series.
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This deal has ended
Browse current deals
Fast Food
Buy one medium sub and get one free with code POST when any MLB Postseason game goes to extra innings. Redeem the next day in the Firehouse Subs app or at FirehouseSubs.com. Firehouse Rewards account required (free to join). Franchise-operated; confirm the offer is honored at your location before ordering.
Active Dates
Oct 23 – Oct 31, 2026
Signup Required?
Yes
Terms & Conditions
Firehouse Rewards account required (free to join). Triggered when any MLB Postseason game goes past the 9th inning. Buy one medium sub, get one medium sub free with code POST. Redeem the next day in the app or on FirehouseSubs.com. Participating locations only. Valid through the end of the 2026 World Series.
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