Caleb Stephen TerBush (born January 5, 1990) is an American football quarterback for the Arizona Cardinals of the National Football League (NFL). TerBush attended Metamora Township High School, in Metamora, Illinois, where he was a three sport athlete. He played two years as a wide receiver before moving to quarterback his final two years. As a senior on the football team, he led the Redbirds to a perfect 2007 14-0 season, capped off with a Class 5A State Championship under the guidance of head coach Pat Ryan. After his senior season, he moved on to Purdue University where he redshirted in 2008.