The men’s college basketball regular season wraps up this weekend, and a number of intriguing matchups and top-25 showdowns are in store over the next three days, beginning Friday night. New customers utilizing the welcome promo offers at our top-rated sports betting sites to wager on the college hoops action can reap up to combined $6,350 in bonuses (see below).     Best college basketball betting sites: Claim your welcome bonuses   It’s a prime time for sports betting with collegiate postseason tournaments coming up fast and the NBA regular season down to its final few weeks. Sign up and start betting only minutes at the sportsbook(s) of your choice: > 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 the weekend’s college basketball 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 beneficial boosts and bonuses 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 college basketball betting sites: Weekend schedule of top games There are four matchups this weekend with Associated Press Top 25 men’s teams going head-to-head. Headlining that quartet is Saturday afternoon’s SEC showdown between No. 1 Auburn and No. 7 Alabama. Auburn won the first meeting 94-85 on Feb. 15, and Alabama will be looking for payback Saturday on its rival’s home floor. Later Saturday, we get the second Duke-North Carolina matchup of the season as the long-time ACC rivals clash in Chapel Hill, N.C. Following is a quick glance at the weekend’s top men’s hoops matchups, including TV/streaming info and leading sportsbook-consensus point spreads and game totals where available. Friday > No. 18 Purdue at Illinois (-4.5, 158.5), 8 p.m. ET (FOX) > South Florida at No. 16 Memphis (-12.5, 153.5), 9 p.m. (ESPN2)   Saturday > No. 6 St. John’s at No. 20 Marquette (-2, 141.5), noon (FOX) > No. 19 Kentucky at No. 15 Missouri (-5, 170.5), noon (ESPN) > No. 10 Iowa State (-7, 142) at Kansas State, 1:30 p.m. (CBS) > South Carolina at No. 4 Tennessee (-15.5, 128.5) , 2 p.m. (SEC Network) > No. 7 Alabama at No. 1 Auburn (-8.5, 177.5), 2:30 p.m. (ESPN) > No. 24 Arizona at Kansas (-2.5, 151.5), 4:30 p.m. (ESPN) > Ole Miss at No. 5 Florida (-11.5, 155.5), 6 p.m. (SEC Network) > No. 2 Duke (-11.5, 157.5) at North Carolina, 6:30 p.m. (ESPN) > No. 9 Texas Tech (-9.5, 150.5) at Arizona State, 8 p.m. (ESPNU) > No. 3 Houston (-4.5, 131) at Baylor, 10 p.m. (ESPN)   Sunday > No. 17 Michigan at No. 8 Michigan State, noon (CBS)