He played for Ulster "A" in the
2018–19 Celtic Cup, scoring seven tries in six games, and was named Ulster "A" player of the Year in the 2019 Ulster Rugby Awards. He joined the Ulster academy ahead of the
2019–20 season, committing himself full-time to rugby. In January 2021 he signed a development contract, to be upgraded to a senior contract after one season. He was selected for the
Ireland national rugby sevens team for the World Rugby Sevens Repechage in Monaco in July 2021, helping the team qualify for the
Tokyo Olympics. He made two senior appearances for Ulster in the
2021–22 season, Sexton left the Province in December 2024 after making 10 appearances, to take part in the
NFL International Player Pathway Program for 2025, intending to play as a wide receiver or kick returner. By August 2025, he had returned to Ireland and was playing club rugby for
Ballynahinch. ==References==