Eight more second-round games are on tap Sunday as we put a bow on the NCAA Men’s Basketball Tournament’s Round of 32.

And new customers taking advantage of our top sportsbook promo offers for March Madness can reap up to a combined $6,450 in bonuses, including the following offers:

Top March Madness sportsbook promo offers: How to claim your bonuses

Sunday’s eight games will determine the remaining half of the Sweet 16, making it the perfect time to take advantage of the generous promo offers at our top-rated online sports betting sites.

Opening a new sportsbook account is quick and easy:

• > 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 initial bet on one of Sunday’s March Madness 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.

Top March Madness sportsbook promo offers: Sunday second-round preview

A pair of No. 1 seeds tip off Sunday’s action as West top seed Florida takes on two-time-defending national champion UConn (12:10 p.m., ET) and East No. 1 Duke tangles with Baylor (2:40 p.m.).

It was a chalky first round as only five double-digit seeds advanced. But two of those five — West 12-seed Colorado State and South 10-seed New Mexico, both representing the Mountain West Conference — will try to keep their Cinderella quests alive Sunday as they take on 4-seed Maryland and 2-seed Michigan State, respectively.

Following is the upcoming men’s basketball schedule, complete with sortable odds for each of Sunday’s NCAA tourney contests …