The Underdog promo code COVERS offers new users $50 in bonus entries when they place their first $5 entry, making it perfect timing for Thursday's marquee matchup between the Boston Celtics and Oklahoma City Thunder. This showdown features Shai Gilgeous-Alexander attempting to break Wilt Chamberlain's NBA record for consecutive games with 20 or more points, while the Celtics look to continue their strong play with Jayson Tatum back in the lineup.
Underdog Fantasy ranks among the best prediction market apps for daily fantasy sports, and this March 12 promotion provides an excellent opportunity to get started.
Play $5, Get $50
Code: COVERS
Underdog promo code COVERS delivers $50 bonus for Celtics vs Thunder
The Underdog promo code COVERS unlocks a generous welcome bonus that transforms a modest $5 initial entry into $50 worth of fantasy bonus entries. This promotion works by requiring new users to make their first entry of at least $5 on any available contest, after which Underdog automatically credits the bonus entries to your account within 72 hours. The bonus carries a 1x wagering requirement that must be completed within 14 days, and you have 60 days to use the bonus entries before they expire.
For Thursday's Celtics-Thunder game, you could create a fantasy lineup featuring Shai Gilgeous-Alexander as he chases history, along with Jayson Tatum in his return from injury. If your $5 entry wins, you keep all winnings plus gain access to the $50 in bonus entries for future contests. Even if your initial entry doesn't cash, you still receive the full bonus amount to continue playing. The terms require account verification before withdrawals, and the offer excludes residents of New Jersey, New York, Maryland, Ohio, Michigan, and Pennsylvania.
This welcome bonus provides excellent value compared to other best prediction market promos available in the daily fantasy space.
Thursday, March 12 - Key NBA Matchups
- 76ers @ Pistons - 7:00 PM ET (Prime Video)
- Bucks @ Heat - 7:30 PM ET
- Nuggets @ Spurs - 9:00 PM ET
- Celtics @ Thunder - 9:30 PM ET (Prime Video)
Use the correct Underdog promo code for your state
| Underdog Promo Code | Eligible States |
| COVERS | AK, AL, AR, AZ, CA, CO, FL, GA, IL, IN, KS, KY, MA, MI, MN, MO, MS, NC, ND, NE, NH, NJ, NM, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WI, WV, WY |
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How to claim your $50 Underdog Fantasy bonus
Claiming your Underdog Fantasy bonus for the Celtics vs Thunder game requires just a few simple steps:
- Visit Underdog Fantasy and create your new account
- Enter promo code COVERS during registration
- Verify your account with required personal information
- Make your first entry of $5 or more on any available contest
- Receive $50 in bonus entries automatically within 72 hours
- Use your bonus entries on future contests within 60 days
The bonus entries function exactly like regular entries, giving you multiple opportunities to build winning lineups and cash out real money prizes from your fantasy contests.
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