Parked netted six points in the second overtime en route to 32 for the game as the Spurs won a third straight and notched their 27th victory in 31 road contests.
Tim Duncan pumped in 26 points, grabbed five rebounds and distributed six assists while Manu Ginobili added 15, seven and five for San Antonio.
The Raptors dropped their fourth straight despite 29 points from DeMar DeRozan.
Florida bear attack: Black bear mauls woman's face
Toddler uninjured after being knocked over by Obama family dog