This line is too short. Both teams did play last night and won. The Raptors haven't fully developed their bench yet, but their seven-man rotation should not get fatigued this early into the season. Plus the Raptors had previously played last Tuesday when they opened the season. So they've had ample rest. 
Toronto is much the superior team. Even without Kawhi Leonard the Raptors are among the four top teams in the Eastern Conference. The Bulls are a borderline playoff team at best. 
Chicago lost to Charlotte in its first game. The Hornets could be the worst team in the NBA. Chicago then defeated Memphis, 110-102, last night in Memphis. So the Bulls won't be rested either flying in during the early morning hours. 
The Raptors have played the stronger competition going against New Orleans Boston last night. The Raptors lost, 112-106, to the Celtics on the road. Toronto is 11-3 ATS the past 14 times when playing on zero rest. The Raptors have the guard play with Kyle Lowery and Fred VanVleet to take advantage of the Bulls' weak transition defense. 
Toronto dominated the Bulls last season winning all four games by an average of 19.2 points.