Sunday's NBA slate features a pair of primetime games on ABC: Knicks vs. Celtics and Mavericks vs. Warriors. Sign up at top sportsbooks today and claim the best NBA betting promos for up to $3,500 in combined bonuses to bet on either matchup. You can find the best NBA betting promos at sports betting sites like bet365, BetMGM, Caesars Sportsbook, and Fanatics Sportsbook today. Additionally, you can sign up for a new DFS account on platforms like Underdog Fantasy.
Take a look at the best NBA betting promos available now for new users:
| Best NBA Sportsbooks | Best NBA Betting Promos | Sign-Up Link |
|---|---|---|
| bet365 | $1,000 First Bet Safety Net or $100 Bet-and-Get | TOPACTION |
| BetMGM | $1,500 Deposit Match | TOPTAN1500 |
| Caesars Sportsbook | Get 10 100% Profit Boost Tokens | ACTION4DYW |
| Fanatics Sportsbook | $1,000 in No Sweat Bets | Click Here |
Claim Best NBA Betting Promos for Knicks vs. Celtics, Mavericks vs. Warriors Bets Today
Use the best NBA betting promos at top online sportsbooks today to bet on Knicks vs. Celtics at 1 p.m. ET and Mavericks vs. Warriors at 3:30 p.m. ET on ABC. Let's analyze each of these sign-up bonuses and how they work.
bet365 Sportsbook
| bet365 Promo | States Available | bet365 Bonus Code |
|---|---|---|
| $1,000 First Bet Safety Net | AZ, CO, IA, IN, KY, LA, NC, NJ, OH, VA | TOPACTION |
| Bet $5, Get $100 in Bonus Bets | AZ, CO, IA, IN, KY, LA, NC, NJ, OH, VA | TOPACTION |
| $100 Bet & Get + 50 Casino Spins | PA | TOPACTION |
Sign up with the bet365 bonus code TOPACTION in most states to choose between two welcome offers: a $1,000 First Bet Safety Net or a $100 bet-and-get bonus. With the First Bet Safety Net, if your initial wager loses, you receive up to $1,000 back in bonus bets to cover the loss. Alternatively, the bet-and-get offer provides $100 in bonus bets when you place a first bet of $5 or more, win or lose. Take advantage of one of the best NBA betting promos available at bet365 today.
When you register with the bet365 bonus code TOPACTION in Pennsylvania, you get the $100 bet-and-get offer plus 50 spins at bet365 Casino. Click the sign-up module below to claim this offer.
BetMGM
| BetMGM Promo | States Available | BetMGM Bonus Code |
|---|---|---|
| Get a 20% First Deposit Match Up to $1,500 in Sports Bonus | AZ, CO, DC, IN, IA, KS, KY, MA, MD, MI, NJ, NC, PA, TN, WV, WY | TOPTAN1500 |
| Bet $5, Get $150 in Bonus Bets if You Win | AZ, CO, DC, MA, MD, MI, NC, NJ, PA, VA, WV | ACTIONGET |
| Get Up to $1,500 Back in Bonus Bets if Your First Bet Doesn't Win | IL, IN, IA, LA, KS, KY, OH, TN, WY | TOPACTION |
Sign up at BetMGM today and select from three top NBA betting promos, depending on your state. Use the BetMGM bonus code TOPTAN1500 during registration to unlock a 20% deposit match, awarding up to a $1,500 sports bonus. This offer carries a 10x rollover requirement that must be met within 30 days. For example, a $2,000 deposit results in $400 in bonus funds, and you must wager a total of $2,000 within the 30-day period before withdrawing any winnings.
In select states, use the BetMGM bonus code ACTIONGET to unlock a $150 bet-and-get bonus. Place a first wager of at least $5, and if it wins, you receive $150 in bonus bets. This offer has no minimum odds requirement, giving you the flexibility to choose the shortest available odds and improve your chances of securing the bonus.
New users in select states can claim a $1,500 first bet offer with the BetMGM bonus code TOPACTION. If your first wager loses, you receive up to $1,500 in bonus bets to cover the loss. Any bonus funds awarded through this BetMGM promo are valid for seven days and are distributed in five equal increments.
Caesars Sportsbook
| Caesars Sportsbook Sign-Up Bonus | States Available | Caesars Sportsbook Promo Code |
|---|---|---|
| Bet $1+, Get 10 100% Profit Boost Tokens | AZ, CO, DC, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, NC, NJ, NY, OH, ON, PA, TN, VA, WV, WY | ACTION4DYW |
Create a new account with the Caesars Sportsbook promo code ACTION4DYW to claim one of the best NBA betting promos available today. After placing a first bet of $1 or more, you receive 10 Profit Boost Tokens, each doubling potential winnings on the wagers they are applied to. Each Token can be used on a bet of up to $25, with a maximum possible profit of $2,500.
Fanatics Sportsbook
| Fanatics Sportsbook Sign-Up Bonus | States Available | Fanatics Sportsbook Promo |
|---|---|---|
| Bet and Get Up to $1,000 in No Sweat Bets | AZ, CO, CT, DC, IA, IL, IN, KS, KY, LA, MA, MD, MI, NC, NJ, OH, PA, TN, VA, VT, WV, WY | Click Here |
| Bet $10, Get $20 Bonus Bets | NY | Click Here |
The Fanatics Sportsbook promo available in most states ranks among the top NBA betting promos. Get up to $1,000 in No Sweat Bets, evenly spread across your first 10 days on the platform. Opt-in daily and place a bet. If it loses, receive up to $100 in bonus bets to cover the loss. Each qualifying wager must have odds of -500 or longer. Repeat this process for 10 days to take full advantage of the No Sweat Bet offer, totaling up to $1,000.
New York bettors can claim one of the top NBA betting promos at Fanatics Sportsbook. Sign up for a new account and place a first wager of $10 or more to receive $20 in bonus bets, win or lose.
Alternative to Best NHL Betting Promos: Underdog Fantasy (DFS)
| Underdog Fantasy Sign-Up Bonus | States Available | Underdog Fantasy Promo Code |
|---|---|---|
| Get Up to $1,000 Bonus Cash When You Make Your First Deposit | AL, AK, AR, CA, DC, GA, IL, IN, KS, ME, MN, MS, NE, NM, NC, ND, NY, OK, OR, RI, SC, SD, TX, UT, VA, VT, WI, WY | TOPACTION |
Even if online sports betting isn’t legal in your state yet, Underdog Fantasy provides an excellent alternative. Join daily draft contests and create lineups based on player projections. Use the Underdog Fantasy promo code TOPACTION to receive a 50% deposit match, up to $1,000 in bonus cash. This offer has a 1x rollover requirement that must be met within 14 days.