College Football K. J. Costello throws for SEC record 623 yards as Mississippi State upsets No. 6 LSU, 44-34 wingameday_i4bbwk 5 years ago No Comments Facebook Prev Article Next Article Video Details Sep 26, 2020 at 8:20p ET | College Football | Duration: 1:48 Mississippi State Bulldogs QB K. J. Costello had the game of his career Saturday afternoon, totaling an SEC record 623 passing yards in a 44-34 upset win over No. 6 LSU. Costello also passed for five TDs in the game. Facebook Prev Article Next Article About The Author wingameday_i4bbwk More from this Author