A man who got into an argument with his estranged wife and her family over his children was arrested Sunday in a house-to-house shooting rampage in rural Mississippi that left eight people dead, including his mother-in-law and a sheriff’s deputy.

Baker Mayfield threw for three touchdowns and Joe Mixon rushed for 117 yards as the Sooners beat Louisiana Monroe 59-17 to improve to 1-1 on the season.