Raptors zone in on playoff-ready defence

BOSTON—As the Toronto Raptors fine-tune themselves for the push to the NBA playoffs, they are finding a comfort level with — and a trust in — all the add-ons coach Nick Nurse likes to have in his defensive schemes.

Much of the first half of the season — which went swimmingly for the team with the best record in the NBA — was spent trying to get as consistent with their basic approach as is possible.