The launch of Missouri sports betting remains a major event, and on Monday, December 15, 2025, new users can leverage an exclusive Bet365 welcome offer for tonight's AFC battle. The Pittsburgh Steelers host the Miami Dolphins for a crucial Monday Night Football showdown.
New users in the Show-Me State should sign up now using the bonus code DIMERS to access the elevated launch promotion: Bet $10, Get $365 in Bonus Bets Guaranteed! This guaranteed bonus is one of the most generous in the market and is perfectly suited for betting on tonight's MNF slate.

Bet365 Bonus Code DIMERS unlocks a $365 bonus in Missouri.
Using the exclusive code DIMERS during registration ensures you receive this full $365 launch bonus, giving you plenty of funds to bet on the Dolphins vs. Steelers tonight.
With your $365 bonus secured, you can use it on any line for the Monday Night Football game as the Steelers host the Dolphins in Pittsburgh. The game kicks off at 8:15 PM ET (5:15 PM PST).
Miami Dolphins vs. Pittsburgh Steelers: NFL Week 15 Monday Night Football
The current betting lines shown are:
Moneyline:
Spread:
Total (Over/Under):
The Steelers (7-6) are favored by $3.0$ points and have been strong at home on Monday nights. Meanwhile, the Dolphins (6-7) have been surging, winning four straight games, and are fighting for an AFC playoff spot.

This exclusive Bet365 bonus code unlocks the top Missouri sportsbook bonus
The Bet365 bonus code DIMERS delivers a guaranteed $365 in bonus bets for just a $10 qualifying wager—perfectly timed for tonight's Monday Night Football showdown. This is the ideal way to start your betting bankroll for the final stretch of the NFL season.
Sign up today with the Bet365 bonus code DIMERS and get ready for Monday Night Football with $365 in bonus bets from Bet365!
*This Referral Code is used for marketing/tracking purposes only. $10 minimum deposit. Paid in Bonus Bets. Bonus Bets wager excluded from returns. New customers only. Available in app only. Max. prize, game restrictions, time limits and T&Cs apply. GAMBLING PROBLEM? CALL OR TEXT 1-800-GAMBLER (AZ/CO/IL/IN/KS/KY/LA/MD/NC/NJ/OH/PA/TN/VA) or 1-800-BETS OFF (IA). 21+ (18+ KY). Must be present in AZ/CO/IA/IL/IN/KS/KY/LA (select parishes)/MD/NC/NJ/OH/PA/TN/VA*
To make sure you get accurate and helpful information, this guide has been edited by Jason Bevilacqua as part of our fact-checking process.

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