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March Madness gets started tonight with two First Four matchups in Dayton, OH, and the Kalshi promo code NEWSWEEK gives new users an easy way to capitalize on prediction markets.

The marquee 9:10 p.m. ET clash pits two No. 11 seeds against each other, as Sean Miller’s Texas Longhorns (18-14) face Will Wade’s NC State Wolfpack (20-13).