Top 11 UFC 300 Betting Promos for New & Existing Users: Best Welcome Offers & Promos for All Bettors

It's fight night in the UFC as UFC 300 goes down tonight at T-Mobile Arena in Las Vegas. The fight card features 13 fights, including the main event between Alex Pereira and Jamahal Hill. Hill aims to reclaim the belt after vacating his title last year due to a torn Achilles.

No matter which fight you're betting on Saturday, you can check out the top betting sites & sportsbooks. Each sportsbook offers a welcome bonus for new users in legal states.

The sign-up bonus typically involves bonus bets, but you can also earn a deposit match or profit boost. Either way, it's an excellent way to bet on UFC 300.

There's no need to worry if you already have an account. Most betting sites have promotions for existing users surrounding UFC 300.

Best UFC 300 Promos for New Users

1. BetMGM Sportsbook

• Bonus Code: TOPTAN1600
• Offer: Get a 20% Deposit Match up to $1,600 in Sports Bonus
• States Available: AZ, CO, IL, IN, IA, LA, KS, KY, MA, MD, MI, NJ, OH, PA, TN, VA, WV, WY

• Bonus Code: TOPACTION
• Offer: Get up to $1,500 Back in Bonus Bets if Your First Bet Doesn't Win
• States Available: AZ, CO, IL, IN, IA, LA, KS, KY, MA, MD, MI, NJ, OH, PA, TN, VA, WV, WY

• Bonus Code: TOPACTION
• Offer: Bet $5, Get $150 Instantly in Bonus Bets
• States Available: North Carolina

BetMGM's deposit match offer is unique from other betting sites. You receive a sports bonus of 20% matching your initial deposit. For example, if you deposit $1,000, you'll have $200 in sports bonus. BetMGM Sportsbook also requires you to wager 10 times your bonus amount before withdrawing.

If you don't like the deposit match, you can opt for a $1,500 first bet on the house. If your first bet of up to $1,500 loses, you'll earn that amount back in bonus bets.

The final BetMGM offer is exclusive to bettors in North Carolina. They only need to wager $5 on any market to unlock $150 in bonus bets.

2. Caesars Sportsbook

• Promo Code: ACTION41000
• Offer: Get up to $1,000 Back in Bonus Bets if Your First Bet Doesn't Win
• States Available: AZ, CO, MA, IL, IN, IA, KS, KY, LA, MD, ME, MI, NJ, NY, OH, PA, TN, VA, WV, WY

• Promo Code: ACTION4DYW
• Offer: Bet $1, Receive Ten 100% Profit Boosts
• States Available: Iowa, Maine, Maryland

• Promo Code: Bet $5, Get $150 in Bonus Bets
• Offer: ACTION4NCBG
• States Available: North Carolina

Like BetMGM, Caesars has three welcome bonuses. Their primary offer is a $1K first bet, offering a bonus bet if your first bet loses. Caesars doesn't provide bonus increments, so you'll receive one flat bonus with a losing first bet.

In Iowa, Maine, and Maryland, you can opt for 10 100% profit boosts. You must wager $1 on any sport to access the profit boost. If you wager $20 on Hill to defeat Pereira (+105), you'd have a $42 profit instead of $21.

The final Caesars Sportsbook welcome offer is only available in North Carolina. Once you place a $5 bet, you'll earn three $50 bonus bets. Unlike most betting sites, Caesars bonus bets are available for 14 days.

3. FanDuel Sportsbook

• Promo Code: N/A
• Offer: Bet $5, Get $150 in Bonus Bets
• States Available: AZ, CO, CT, IL, TN, IN, IA, KS, KY, LA, MA, MD, MI, NJ, NY, OH, PA, VA, VT, WV, WY

• Promo Code: N/A
• Offer: Bet $5, Get $200 in Bonus Bets
• States Available: North Carolina

The welcome offer for FanDuel Sportsbook is very straightforward. Once you bet $5, you instantly have $150 in bonus bets. The bonus bets are guaranteed, so you don't have to wait until it settles. FanDuel is unique from most sportsbooks because they have customizable bonus bets.

The North Carolina offer has the same structure with an additional $50 available.

4. DraftKings Sportsbook

• Promo Code: N/A
• Offer: Bet $5, Get $150 in Bonus Bets – Instantly
• States Available: AZ, CO, CT, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, NJ, NY, OH, PA, TN, VA, VT, WY, WV.

• Promo Code: N/A
• Offer: Bet $5, Get $200 in Bonus Bets
• States Available: North Carolina

Believe it or not, DraftKings Sportsbook has the same sign-up bonus as FanDuel. Bet $5 on any market, and you'll instantly have $150 in bonus bets. The only difference is that DK provides bonus bets in six $25 increments.

It's the same deal in North Carolina, as you receive eight $25 bonus bets following a $5 bet.

5. bet365 Sportsbook

• Bonus Code: TOPACTION
• Offer: Get a First Bet Safety Net up to $1,000 in Bonus Bets
• States Available: AZ, CO, IA, IN, KY, LA, NC, NJ, OH, VA

• Bonus Code: TOPACTION
• Offer: Bet $5+, Get $150 in Bonus Bets
• States Available: AZ, CO, IA, IN, KY, LA, NC, NJ, OH, VA

The bet365 bonus code TOPACTION allows you to choose between two welcome offers. The $1K first bet safety net is equivalent to a first bet on the house. You'll earn your first bet back in bonus bets if it loses and doesn't exceed $1,000.

bet365 Sportsbook also has a bet/get offer, similar to other betting sites. bet365 requires your first bet to come on a market with -500 odds or longer. Also, you'll receive customizable bonus bets.

6. Fanatics Sportsbook

• Promo Code: N/A
• Offer: Bet and Get up to $1,000 in Bonus Bets
• States Available: AZ, CO, CT, IA, IL, IN, KS, KY, MD, MA, MI, NC, NY, OH, PA, TN, VT, VA, WV

Fanatics Sportsbook has a lone sign-up offer for new users in 19 states. You can earn up to $1,000 in bonus bets but it requires a daily wager for 10 straight days.

Each day, Fanatics matches your first bet in bonus bets. If you wager $100 daily for 10 consecutive days, you'll have $1K in bonus bets.

7. ESPN BET

• Promo Code: ACTNEWS
• Offer: Make Any Sportsbook Bet, Get $150 in Bonus Bets – Guaranteed
• States Available: AZ, CO, IL, IN, IA, KS, KY, LA, MA, MD, MI, NC, NJ, OH, PA, TN, VA, WV

There's no official minimum bet for the ESPN Bet promo code. Bet any amount, and you'll score $150 in bonus bets guaranteed. You will receive five $20 bonus bets and one $50 increment.

From there, you can use your bonus on any sporting event, including UFC 300.

8. PrizePicks

• Promo Code: ACTIONMAX
• Offer: Deposit Match up to $100 On Your First Deposit
• States Available: AL, AK, AZ, AR, CA, DC, GA, IL, KS, MA, KY, MN, NE, NM, NC, ND, OK, OR, RI, SC, SD, TN, TX, UT, VT, VA, WI, WV, WY

PrizePicks is a DFS app that allows you to combine multiple projections into one entry. PrizePicks is available in 30+ states, including many without legal online sports betting.

The DFS app matches 100% of your deposit in bonus funds. The maximum amount you can earn is $100, with a $100 deposit.

Top UFC 300 for Existing Users

1. DraftKings Sportsbook

DraftKings is giving all users a stepped-up parlay for UFC 300. You can add three to 10 legs for your parlay with exclusive UFC 300 fights. You can add any market as long as the odds are -500 or longer.

For every pick you add, you'll receive a larger boost. It starts with a 20% boost for a three-leg parlay. You must add 10 legs to achieve the largest boost of 100%.

2. bet365 Sportsbook

bet365 has multiple bet boosts for UFC 300 parlays. The sportsbook has pre-set parlays with boosted odds, so you receive a larger payout than usual.

There are six parlays available, including a boost for the main event.

• Alex Pereira vs Jamahal Hill (+180 –> +200)
  • Under 2.5 Rounds
  • Method of Victory: Alex Pereira by KO, TKO, or DQ

3. ESPN BET

Like bet365, ESPN BET is giving bettors a handful of special bets for UFC 300. The specials tab under "UFC 300: Pereira vs. Hill" displays many options for all fights on tonight's card.

Check out the UFC 300 boosts available at ESPN BET below.

• Parker's Parlay: Jalin Turner, Arman Tsarukyan, Weili Zhang to Win (+145 –> +165)
• UFC 300 Super Boost: Justin Gaethje or Max Holloway to Win By KO/TKO/DQ & Alex Pereira or Jamahal Hill to Win By KO/TKO/DQ (+140 –> +200)