Underdog Promo Code: BTSLINES for MNF Week Wild Card Betting Deal: Play $5 Get $75 Bonus

Written By John Carlo Villaruel | Published at January 8, 2026
Underdog Promo Code BTSLINES for MNF Week Wild Card Betting Deal Play $5 Get $75 Bonus

Ahead of the Wild Card game between the Texans and the Steelers, you can soon look to get your hands on $75 in bonus entries. With this one, you will need to be completely new to Underdog, remember our exclusive code (BTSLINES), and make a qualifying deposit of $10.

Once online with your account loaded, you can look at the latest stat lines and begin building your entries. A minimum entry of $5 is required to claim this one, and $75 in bonus entries will become yours as soon as the game has resulted. These bonus entries must then be used within 14 days.

Underdog Play $5 in Fantasy Entries, Get $75 in Fantasy Bonus Entries
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Must be 18+ (19+ in AL, NE; 19+ in CO for some games; 21+ in AZ, MA, and VA) and present in a state where Underdog Fantasy operates. Terms apply. See assets.underdogfantasy.com/web/PlayandGetTerms_DFS_.html for details. Offer not valid in MD, MI, NJ, NY, OH, and PA. Concerned with your play? Call 1-800-GAMBLER or visit www.ncpgambling.org; NY: Call the 24/7 HOPEline at 1-877-8-HOPENY or Text HOPENY (467369).

Wild Card Week MNF Betting Lines & Spreads Analysis

Over at Underdog, you won’t be selecting moneylines and spreads as you would at a normal betting site. Instead, you will find various stat lines available, based on potential outcomes. To help you build your entries ahead of this one, why not stick around to hear what our experts have to say?

Steelers: The Steelers come in at 10-7 with a consistent, explosive, and well-rounded offense. Pittsburgh will look to capitalize on turnovers and have a convincing red-zone record, thanks to Metcalf (WR) and Warren (RB). On defense is where the Steelers really shine, though. T.J. Watt tends to lead a well-timed assault, applying pressure on the line and the QB, all without needing to send in the SS or OLB on the blitz.

Texans: The Texans come in at 12-5, with a serious passing game led by Stroud. He averages well over 270 yards per game, meaning that the Steelers' secondary needs to be on top form. That said, it isn’t just the secondary that needs to be alert, as the intermediate routes are a popular choice for the young QB – dropping dimes just in between the ILB and FS. On defense, the Texans look like they have the run game on lock; however, there are gaps at Corner.

Unlock Underdog Promo Code BTSLINES for Monday Night Football Wild Card Week

Now that you have a full breakdown of what to expect from this week’s Wild Card game between the Texans and the Steelers, let us help you unlock your new customer offer from Underdog.

  1. Use the links on this page to visit Underdog
  2. Click on the ‘Sign up’ button
  3. Work through the registration form
  4. Enter our exclusive promo code: BTSLINES
  5. Read through the fine print
  6. Create your account
  7. Deposit $10
  8. Place a $5 entry
  9. Wait for the game to result
  10. Play through $75 in bonus entries in 14 days