The Celtics need to execute better, especially during fourth-quarter possessions. They also need to sharpen up on offense and defense.

The Boston Celtics surprisingly suffered a 13-point loss on Wednesday night against the Toronto Raptors, who rank last in the Atlantic Division, and

The Chicago Bulls, playing without star guard Zach LaVine, lost the opener of a three-game trip Wednesday night, falling to the Boston Celtics 122-100.

Fresh off of Monday night’s disappointing loss to the Houston Rockets, the Boston Celtics once again found themselves in need of a rebound on Wednesday at home against the Chicago Bulls. Driven by a big performance from Kristaps Porzingis and a huge second quarter (41 points),