Question: The 2013–14 Toronto Raptors season is the 19th season of the franchise, in the National Basketball Association (NBA), on December 9, 2013 the Raptors traded which American professional basketball player for the San Antonio Spurs of the National Basketball Association (NBA), and drafted eighth overall in the 2006 NBA draft by the Houston Rockets?
Sentence (from "2013–14 Toronto Raptors season"): On December 9, 2013 the Raptors traded Rudy Gay, Quincy Acy, and Aaron Gray to the Sacramento Kings for John Salmons, Greivis Vásquez, Patrick Patterson, and Chuck Hayes.
Relevant evidence: Yes