Description
Place a pre-match ‘Bet Builder’ on Pittsburgh Steelers @ Detroit Lions to double your winnings with a 100% profit boost.
Key terms
Event
NFL – Pittsburgh Steelers @ Detroit Lions, 21:25 on Sunday, 21st December 2025.Offer availability
09:00 to 21:25 on Sunday, 21st December 2025.Eligible customers
Selected BetMGM account-holders.Market
Pre-match 'Bet Builder' on this game only.Qualifying bet
First 'Bet Builder'; tick the Profit Boost box before placing.Minimum selections
3+.Maximum stake
Varies by customer.Reward
100% profit boost credited upon settlement; doubles winnings.Restrictions
One boost per customer; extra winnings capped at £5,000.
Read full terms .
Tips for this offer
You may not be able to lay your qualifying bet(s), in which case, if you want to do the offer, you'll need to treat it as advantage play.
General advice and example for profit boosts
Place your profit boost bets at high odds to maximise your profits. Use the ‘Qualifying Bet’ setting on the Matched Betting Calculator to calculate your lay stakes. You’ll need to enter your effective odds as your ‘Back odds’. You can calculate your effective odds by factoring in your profit boost.
See my Profit Boosts guide for a complete walkthrough of this offer type.
How to lay a Bet Builder
If you’re looking to lay a football Bet Builder, you’re in luck. All you need to do is add the right combination of selections, and you’ll be able to lay your Bet Builder in one bet at the betting exchange.
Bet Builders on other sports tend not to be as straightforward, and you may struggle to lay your bet. In that instance, and depending on the offer, you may want to treat it as advantage play.
See my Bet Builders guide for a walkthrough of your options.
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Matt Kirman – Matched Betting Blogger
Since 2014, I’ve blogged over £100,000 worth of profit, and made it my mission to make matched betting accessible to everyone.