Best sports betting bonuses for March Madness: Get up to $6,450 for Saturday’s second round

We move into the second round of the NCAA Men’s Basketball Tournament on Saturday with eight games, including Tennessee’s matchup with UCLA.

And new customers getting in on our best sports betting bonuses can net up to a combined $6,450, including the following offers:

Up to $200 in Bonus Bets at FanDuel Sportsbook
Up to $200 in Bonus Bets at FanDuel Sportsbook
Bet $5
Get $200
In Bonus Bets
  • Bet $5, Get $200 in Bonus Bets if Your Bet Wins
  • Available on Desktop, Android & iOS
  • 21+ and present in OH. Gambling Problem? Call 1-800-GAMBLER
  • To Claim: Click Play Now

New Users Get up to $150 Bonus at Bet365
New Users Get up to $150 Bonus at Bet365
Bet $5 Get $150
In Bonus Bets Win or Lose
  • Bet $5 Get $150 in Bonus Bets Win or Lose

  • 30% Extra on Same Game Parlay Profit

  • T&Cs Apply. OH only. 21+. Gambling Problem? Call or text 1-800-GAMBLER

  • Use Bonus Code: BETROCK

Double Your Winnings at Caesars Sportsbook
Double Your Winnings at Caesars Sportsbook
Bet $1, Double Your Winnings
On Next 10 Wagers
  • Stream NFL Games In-App for Free
  • OH only. 21+.Gambling Problem? Call or text 1-800-GAMBLER
  • Use Promo Code: STARTDYW

Claim Your $1,200 Bonus at DraftKings Sportsbook
Claim Your $1,200 Bonus at DraftKings Sportsbook
Up to $1,200 Bonus
New User Bonus. T&Cs Apply.
  • Bet $5 Get $150 in Bonus Bets

  • PLUS Get a $50 Bonus Bet on Deposit

  • PLUS up to $1,000 Deposit Bonus

  • OH only. 21+. Gambling problem? Call 1-800-GAMBLER. T&Cs apply

Best March Madness sports betting bonuses: Claim your welcome offers

The 2025 national championship chase is heating up, making it the perfect time to take advantage of the generous welcome offers at our top-rated online sports betting sites.

It only requires a few minutes and some basic info to open a new sportsbook account:

  • Click on your desired sportsbook promo code link and tap the button that leads to the account creation page.
  • Fill out the required fields, including the specific code if required. Make a qualifying, minimum first deposit.
  • Place your first bet on one of Saturday’s NCAA tourney matchups or another qualifying market.

 

Complete details on each of the offers can be found by following our sportsbook promo code links and reviewing the terms and conditions.

Even after you accept a welcome offer, sportsbooks feature generous and beneficial promotions throughout the year, including:

  • Odds and profit boosts: Get in on enhanced odds and payouts on select markets.
  • Bet and get: Garner rewards points and bonuses with each wager you place.
  • Referral bonuses: Invite friends to join a sportsbook via your referral link and you — and often your acquaintance as well — will receive a bonus bet.

Best March Madness sports betting bonuses: Saturday second-round preview

Saturday’s schedule features eight games and gets underway just after noon ET.

Tennessee, the No. 2 seed in the Midwest Region, defeated 15-seed Wofford 77-62 on Thursday.

And when 7-seed UCLA steamed past Utah Staste 72-47 later Thursday, it set up a 9:40 p.m. second-round showdown with the Vols at Rupp Arena in Lexington, Ky.

A pair of regional top seeds — the South’s Auburn and the Midwest’s Houston — also will be in action.

The Tigers, the tourney’s No. 1-overall seed, opened with a 83-63 rout of Alabama State on Thursday. Next up is a 7:10 p.m. matchup with 9-seed Creighton, an 89-75 winner over 8-seed Louisville.

Houston, meanwhile, dominated 16-seed SIU Edwardsville, 78-40, on Thursday, setting up an 8:40 p.m. Saturday date with 8-seed Gonzaga, an 89-68 winner over Georgia.

Below, find the upcoming men’s college hoops schedule and updated odds:

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