The Sin City Celtics are undefeated no more, biut Boston Celtics shooting guard Baylor Scheierman has found his sea legs.

In an offseason of change for the Celtics, who dismantled a significant portion their championship-winning roster to avoid the wrath of the NBA’s second apron, no position group has been hit harder than center.

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

But as painful as this offseason has been thus far for Celtics fans, those minutes up front for Boston is why big man Luka Garza opted to sign a two-year deal in free agency.

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.

It is almost unheard of for a player to make as strong of a case as Bassey has for a spot on the Celtics roster in summer league.

After their dominant title run in 2024-25, the Boston Celtics have now entered a retooling phase as they navigate Jayson Tatum and Jaylen Brown’s injury rehabs