LAS VEGAS -- The Celtics led from start to finish Sunday night and pulled away in the second half for a 94-81 win over the Knicks in Summer League action. The victory improves Boston to 2-0 in Las Vegas, putting them in contention for the championship round halfway through their schedule.

The Celtics added Charles Bassey to their Summer League roster Friday, and the former Spurs big man wasted little time making his presence felt.

Emptying the Celtics notebook on the Boston’s talent drain, perilously thin frontcourt and reported interest in Damian Lillard.

LAS VEGAS — The Celtics had a fresh face debuting on their Summer League team Friday night as Charles Bassey was an unexpected late addition to the team’s Summer League roster. The former Spurs big man shined off the bench for Boston, posting 14 points and 11 rebounds in the team’s win over the Grizzlies at Cox Pavilion.

With Kristaps Porzingis no longer in Boston, Luke Kornet having signed with San Antonio as a free agent, and the real prospect that Al Horford leaves for anothe