Firehouse Subs Promotion: Any Extra MLB Innings on Fri, Sat, or Sun & Receive B1G1 Free Medium Sub (Valid Mon thru Wed for 2026 MLB Season)

Jul 21, 2026 Posted in: SlickDealsTagged in: , , , , , , ,

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Firehouse Subs [firehousesubs.com] has a Major League Baseball (MLB) “Extra Innings, Extra Subs” promotion.

Buy One Medium Sub, Get One Free
Monday – Wednesday

Order online or in app.

Promo Code: EXTRA

Condition: when any MLB games goes into extra innings the preceding weekend (Fri. – Sun.).

Promotion is active for Mon. – Wed., July 20 – 22, 2026

Must have a Firehouse Subs Rewards account (free to join [firehousesubs.com]).