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Sportsbook Promos

March Madness Betting

The biggest March Madness contest just got bigger.

This year we’re splitting a guaranteed $100,000 in cash among our Top 5 March Madness Bracket contestants. Plus we’re awarding a combined $5,000 in Free Bets to 1,000 other members.

Play for a whopping $75,000 first-place prize when you buy your first entry for just $15. Additional entries costs little as $5 and buying multiple brackets gives you the chance to take home the entire $100K prize pot.

March Madness or the Big Dance is the NCAA Men's Division I Basketball Championship knockout tournament held each March, featuring 68 college basketball teams, to determine the national championship in the top tier of college basketball. It is the largest and most prominent betting sporting events in the United States.

Millions of Americans fill out a bracket. It's said billions of dollars change hands in thousands of office pools, where participants are asked to predict which team will win throughout the tournament.

Sportsbook's March Madness Bracket offers a guaranteed prize of $100,000 and is the Biggest March Madness Bracket with entries starting at $5 (10 entry pack). Participants can increase their chances of winning by buying multiple entries. Sportsbook also offers March Madness Betting and a free Sweet 16 Bracket Contest.

Easily the largest March Madness Bracket contest of its kind, early buy-ins available from March 7th will also receive a $5 Free Bet coupon to bet on any of the March Madness Betting lines.

March Madness Betting Odds

Gamblers Anonymous Sportsbook is fully licensed and regulated, holding a license and preferential seal from the Directorate of Offshore Gaming of Antigua and Barbuda. This license requires Sportsbook to be operated under strict regulations which are compliant with the UK Gambling commission, the world’s strictest gambling regulating body. You can play at Sportsbook knowing that your funds are safe plus all its operations are strictly monitored & regulated.
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Everybody Bets at Sportsbook. And, with 16 years of experience as an industry leader, the biggest contests and the most odds on all your favorite games it's easy to see why.

But members don't just love us for our great Sports, Casino, Poker and Horse action. They also enjoy a safe, secure gaming environment that is fully licensed with all operations strictly monitored and regulated.

We're also known for our big bonuses and as a new member you can enjoy everything we have to offer. At Sportsbook, your experience starts with:
Place a wager between $1-$50 in our Casino and get a second for the same amount, free!
Terms & Conditions
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Terms & Conditions

  • To receive your Match Bet you must place a wager between $1.00 and $50.00 in the Instant Casino.
  • To qualify for the Match bet, wagers must be placed in the Instant or Download Casino only.
  • The Match Bet will be credited immediately after the first qualifying wager is made.
  • Standard 35-time casino rollover requirements apply.
  • Craps and Roulette do not count towards rollover requirements.
  • We only allow one bonus per account/household or environment where computers are shared.
  • Sportsbook reserves the right to modify or cancel this promotion at any time.
  • House Rules apply.
Get a Free Bet of up to $100 when you sign up and fund your new account as we match your first sports wager with a second for the same amount T & C's
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Terms & Conditions

  • Promotion is valid for new members only.
  • To receive your 100% Match Bet you must place a sports wager between $5 and $100.
  • After placing your first qualifying sports wager, the Match Bet is instantly credited to your account in the form of a Free Sports Bet.
  • Only the winnings of graded Free Bets are paid out. There are no rollover requirements.
  • Free Bet applies to Straight Wagers, Parlays, Progressive Parlays, Props, Teasers and If Bets. Round Robins and Futures do not qualify for the Free Bet.
  • Maximum payout ratio for Free Bets is 100:1 (Money Line +10,000).
  • Minimum payout ratio for Free Bets is 1:2 (Money Line -200).
  • Free Bet expires within 30 days of issue.
  • We only allow one Free Bet per account/household or environments where computers are shared.
  • Our Free Bet program is intended for recreational bettors only. Sportsbook reserves the right to revoke the Free Bet winnings of any member considered to be abusing the system.
  • Sportsbook reserves the right to modify or cancel this promotion at any time.
  • House rules apply
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Use promocode FIRST200PK in the cashier, make a deposit and we'll match it dollar for dollar up to $2000. Terms & Conditions
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Terms & Conditions

  • Bonuses require a minimum of 150 VIP points per $1 of bonus.
  • Bonuses award bonus cash in $5 increments.
  • Bonuses expire if another bonus code is used.
  • Bonuses expire on date shown in cashier.
  • Cash in advance Bonuses require play-through to allow withdrawal.
  • Bonuse codes must be entered in the cashier screen at time of deposit.
We match your first mobile sports wager, up to $25. Visit m.sportsbook.ag on your mobile device. Terms & Conditions
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Terms & Conditions

  • Promotion is valid for new members only.
  • This promotion is only valid for wagers placed through a mobile device via m.sportsbook.ag. Bets placed through a mobile device on www.sportsbook.ag do not count towards this promotion.
  • To receive your Mobile Match Bet you must place a sports wager between $5 and $25.
  • After placing your first qualifying sports wager, the Match Bet is instantly credited to your account in the form of a Free Sports Bet.
  • Only the winnings of graded Free Bets are paid out. There are no rollover requirements.
  • Free Bet applies to Straight Wagers, Parlays, Progressive Parlays, Props, Teasers and If Bets. Round Robins and Futures do not qualify for the Free Bet.
  • Maximum payout ratio for Free Bets is 100:1 (Money Line +10,000).
  • Minimum payout ratio for Free Bets is 1:2 (Money Line -200).
  • Free Bet expires within 30 days of issue.
  • We only allow one Free Bet per account/household or environments where computers are shared.
  • Our Free Bet program is intended for recreational bettors only. Sportsbook reserves the right to revoke the Free Bet winnings of any member considered to be abusing the system.
  • Sportsbook reserves the right to modify or cancel this promotion at any time.
  • House rules apply.
Score big with unlimited Free Bets. Refer your friends and get a Free Bet for every friend that signs up and funds a new account. Terms & Conditions
Place a bet, Get a bet. We match your first wager in our racebook, 100% up to $50. Terms & Conditions
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Terms & Conditions

  • To be eligible for this offer the Referrer must have deposited before the Referred Friend.
  • Referred Friend must sign-up with the personalized link in the email.
  • Referred Friend's Minimum initial deposit is $20.
  • Free Bet will be equivalent to 25% of the Referred Friend's initial deposit.
  • Free Bet will be awarded within 24 hours after the Referred Friend has made their first deposit and must be used within 1 month.
  • Maximum Free Bet amount is $250.
  • Only the winnings of graded Free Bets are paid out. There are no rollover requirements.
  • Free Bet applies to Straight Wagers, Parlays, Progressive Parlays, Props, Teasers and If Bets. Round Robins and Futures do not qualify for the Free Bet.
  • Maximum Free Bet payout ratio is 100:1 (Money line +10,000), minimum payout ratio is 1:2 (Money line -200)
  • Opening multiple accounts is strictly against the house rules. If the referee already has an account with us (Inactive or otherwise) you will not be entitled to receive any referral bonus funds.
  • Sportsbook reserves the right to modify or cancel this promotion at any time.
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Terms & Conditions

  • To receive your 100% Match Bet you must place a wager between $1-$50 on the Racebook through your computer, not a mobile phone.
  • Match Bet is capped at $50,and is instantly credited.
  • Bonus funds are available for use in the Racebook, Sportsbook and Casino.
  • Standard rollover requirements apply. Craps and Roulette do not count towards rollover requirements.
  • Sportsbook reserves the right to modify or cancel this promotion at any time.
And this is just the start. Sign up today to get all these bonuses and more. You can also experience our full suite of betting tools on our smartphone-optimized mobile product at m.sportsbook.ag. Plus you'll be able to play in our contests and enjoy all the exciting action that Sportsbook has to offer.