"Quarterback Kirk Cousins set records of his own Sunday with a career-best 458 yards on 38-of-56 passes — second-most yards in a single game in team history behind only Brad Johnson's 471-yard performance on Dec. 26, 1999. Cousins' 38 completions were the most in team history, as were his 56 attempts...."
http://m.washingtontimes.com/news/2016/oct/30/kirk-cousins-sets-record-attempts-completions/
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