He was the older brother of premiership winning player Bob Moses who played for South Sydney and Manly-Warringah.
Moses became a regular starter for the team as they reached the grand final defeating South Sydney along the way.
Moses played at second-row in the 1956 grand final against St George.
Balmain lost the match 18–12 in front of 60,000 fans at the Sydney Cricket Ground.
The grand final win for St George was their first of 11 successive premiership victories.