Complex sentence: In 2005, Kittner went to training camp with the Chicago Bears, who have Kittner's former head coach at Illinois, Ron Turner, as offensive coordinator, and earned a roster spot as the third-string, emergency quarterback.
Split into simpler sentences: In 2005, Kittner went to training camp for the Chicago Bears and offensive coordinator Ron Turner, who coached Kittner at Illinois. He earned a roster spot as the third-string, emergency quarterback.