The Celtics mustered just 15 points in the fourth quarter of their loss to the Toronto Raptors on Wednesday night. Top scorer Jayson Tatum did not even attempt a field goal in the entire frame. That development was just one of several concerning signs that Boston was out of sync in their 110-97 defeat at Scotiabank Arena.

Two short weeks after losing by 54 points in Boston, the Toronto Raptors handed the Celtics their most humbling loss of the season.

Payton Pritchard had 20 points to lead the Celtics. Jayson Tatum had just 16 points and Jaylen Brown had 10, with the All-Star duo combining to make just 9 of 31 shots.

The Boston Celtics trekked north to Canada to face the Toronto Raptors Wednesday eve, with all the expectations a contending ball club ought to have against a team like Toronto. The Raptors, after all,

Watch Warriors star score 26 points vs. Raptors Stephen Curry scores 26 points in the Golden State Warriors' 104-101 win over the Toronto Raptors on Januar

The Boston Celtics have played mostly .500-level basketball over the last month with a 7-6 record in their last 13 games. It hasn’t hurt the C’s much in the standings — they’re still second in the Eastern Conference behind the Cleveland Cavaliers — but we haven’t seen this team play at a championship level on a consistent enough basis of late.