The Underdog promo code COVERS offers new users $50 in bonus entries when they place their first $5 entry, making Thursday's Celtics vs. Knicks showdown an ideal opportunity to get started. Boston can clinch the No. 2 seed in the Eastern Conference with a victory over New York at Madison Square Garden.
This matchup carries extra significance as Jayson Tatum returns to the venue where he suffered his Achilles injury last season, while both teams jockey for playoff positioning among the best prediction market apps.
Play $5, Get $50
Code: COVERS
Underdog promo code COVERS delivers $50 bonus for Celtics vs Knicks
The Underdog promo code COVERS provides new users with $50 in fantasy bonus entries after placing an initial $5 entry on Thursday's game. This welcome offer applies to daily fantasy contests featuring the Celtics-Knicks matchup, where you can build lineups around players like Tatum, Jalen Brunson and Karl-Anthony Towns. If your initial $5 entry wins on a successful Celtics lineup predicting Tatum's return performance, you'll collect both your winnings and the $50 bonus credit. Should your entry fall short, you still receive the full $50 bonus to use on future contests within 60 days.
The bonus carries a 1x wagering requirement that must be completed within 14 days of receipt, and you'll receive the $50 credit within 72 hours of your qualifying entry. Key terms include:
- Must be 18+ and located in an eligible state
- Account verification required before withdrawals
- Bonus expires after 60 days if unused
- Not available in NJ, NY, MD, OH, MI and PA
This promotion timing aligns perfectly with playoff positioning battles, giving you access to enhanced value across multiple best prediction market promos as teams fight for seeding advantages.
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 Celtics vs Knicks Underdog bonus
Follow these steps to secure your $50 bonus for Thursday's Eastern Conference showdown:
- Visit Underdog Fantasy and create your new account
- Enter promo code COVERS during registration
- Make your first deposit of at least $5
- Place a $5 entry on any daily fantasy contest featuring Celtics vs Knicks players
- Receive your $50 in bonus entries within 72 hours automatically
The bonus activates immediately after your qualifying entry, giving you additional opportunities to build winning lineups around this pivotal Eastern Conference matchup where playoff seeding hangs in the balance.
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