Salmon was born on 12 February 2004. He grew up in
Takapūwāhia,
Porirua, New Zealand. Each of his four siblings played
basketball, and Salmon is also related to
National Basketball League (NBL) players
Jordan Ngatai, Francis Mulvihill, and Randall Bishop. As a youth, he played for the junior national team, the Tall Blacks. After Salmon graduated from high school, he decided to turn professional at the age of 17, signing with the NBL's
Manawatu Jets in February 2022. Towards the end of the year, he played for a 3×3 team affiliated with the
Wellington Saints, and in March 2023 he signed with the Saints. He appeared in two games during the 2022–23 season. ==Football career==