Cooper Flagg scored a career-high 29 points, Naji Marshall hit the go-ahead 3-pointer against his former team with 30.7 seconds left and the Dallas Mavericks beat the New Orleans Pelicans 118-115 on Friday night in NBA Cup play. The 3-pointer by Marshall, who played four seasons with New Orleans before signing with Dallas in July 2024, put the Mavericks ahead 116-115. The Pelicans missed three 3-pointers in the closing seconds, the last attempt from rookie center Derik Queen with four seconds left after Dallas’ Max Christie made two free throws with 10.9 seconds to go.