Eyes will be on No. 1 draft pick Cooper Flagg and his Dallas Mavericks this July as his highly anticipated professional career begins. Flagg & Co. kicked off their summer league slate with a high-profile 87-85 win over a Los Angeles Lakers squad that features Bronny James.

LAS VEGAS — Jordan Walsh called his ejection Monday against the Heat a “rookie mistake.” His coach, Joe Mazzulla, watching from high in the bleachers of Cox Pavilion with his family, texted his young swingman and said he “loved” the fire.

Jordan Walsh was ejected from Monday’s Celtics Summer League game, cutting short his best performance of the tournament.