DeRozan put in 21 points and Davis added 18 for Toronto, which won for the seventh time in eight games.
The Magic, meanwhile, struggled without Jameer Nelson, who was out with a sore hip.
Andrew Nicholson poured in 22 points and grabbed seven rebounds to lead Orlando.
Man spent 15 hours in jail for plugging electric car into an outlet at a school
Gal Gadot cast as Wonder Woman for 'Batman vs. Superman'