[1] Kerr's form got him selected for the Queensland twenty-seven man squad for the 2020 State of Origin series,.

[6] In the 2021 NRL season, Kerr played a total of nineteen matches for St. George Illawarra and scored two tries as the club finished 11th on the table and missed out on the finals.

[11] However, Kerr was granted an early release on 18 June from the Dragons to join the Dolphins immediately.

[12] In the 2023 NRL season, Kerr made his debut for the Dolphins in their round 17 match against the Parramatta Eels at Sunshine Coast Stadium.

Kerr played a total of 19 games for the Dolphins in the 2024 NRL season as the club finished 10th on the table.