The upshot of the Heat’s summer-league victory Monday night against the Celtics was that meaningful boxes were checked off.

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.

Despite Mazzulla's comment, Walsh acknowledged that getting a second technical foul so quickly after the first was a "dumb decision." The post Joe Mazzulla had a humorous reaction to Jordan Walsh’s Summer League ejection appeared first on Boston.

Luka Garza was brought in from the Minnesota Timberwolves. The team traded for rookie center Amari Williams on draft night. The second-round pick recently played at the University of Kentucky. Neemias Queta and Xavier Tillman remain on the roster as potential big men to garner minuter on this year's team.

Here's what you need to know to get ready for the Brooklyn Nets' Las Vegas Summer League matchup against the New York Knicks on Tuesday.