[1][2] Horton was one of the youngest players to represent Glamorgan, after he made his debut for the team in a second XI match.
[5] Three months later, Horton was selected in England's squad to play at the 2022 ICC Under-19 Cricket World Cup in the Caribbean.
[9] In the Super League semi-final match against Afghanistan, Horton scored 53 not out from 36 balls to help England reach the final of the tournament, an innings that was described as "something special".
[12] In June 2022, Horton was selected to make his first team debut for Glamorgan after their first choice wicket-keeper Chris Cooke was ruled out due to a calf injury.
[14] The match was officially recorded as a no result,[15] meaning that Horton made his Twenty20 debut despite no actual play being possible.