    Sentence 1: What was Newton's quarterback rating for  2015?    Sentence 2: Pro Bowl quarterback Cam Newton had  one of his best seasons, throwing for 3,837 yards and  rushing for 636, while recording a career-high and  league-leading 45 total touchdowns (35 passing, 10  rushing), a career-low 10 interceptions, and a career-  best quarterback rating of 99.4.    ca