TORONTO — What you want when the next four are against the Boston Celtics, Los Angeles Lakers, Phoenix Suns and Cleveland Cavaliers is some sort of cushion. The Miami Heat squandered the opportunity Sunday night with a 119-116 loss at Scotiabank Arena to the lowly Toronto Raptors, a loss that dropped them to 9-9. On this night, even mediocrity proved to be a struggle, which is all that might ...