 Crichton was involved in a scuffle with Souths player Cody Walker in the second half where Walker called Crichton a "traitor".Crichton scored his first try for the club in Round 4 against Brisbane at the same venue.Crichton was later selected to play for New South Wales in Game 1 of the 2019 State of Origin series which New South Wales would go on to lose at Suncorp Stadium.