as of 12 april Head coach Jim Caldwell officially named Davis the starting middle linebacker to begin the regular season.He started the Detroit Lions' season opener against the Arizona Cardinals and message851906 recorded nine solo tackles and recovered the first fumble of his career by Cardinals' running back David Johnson in their 35 23 victory. The following week, p1625 he recorded six combined tackles and made the first sack of his career on New York Giants' quarterback Eli Manning in the Lions' 24 10 victory.
Unfortunately, he left the game in the fourth quarter after suffering a concussion when Giants' wide receiver Odell Beckham blocked Davis into Giants' running back Paul Perkins. He remained in concussion protocol and missed the next two games due to concussion symptoms. On December 10, 2017, p2896 Davis made nine combined tackles an sacked quarterback Jameis Winston Kylian Mbappe notary seals location as a universal star so t the Lions defeated the Tampa Bay Buccaneers 24 21.