Glen Frendo joined Canterbury in 1983 as a fullback.
Glen was a regular member of the third grade team for three seasons before becoming a regular member of the reserve grade team in 1986 as a winger.
Glen received the opportunity to play first grade in 1986 against St George as a replacement. He played first grade games late in the season when Peter Mortimer was injured.
In 1987, Glen played first grade when Steve O'Brien was injured but was injured mid-season to miss the end of the year.
In 1988, Glen joined Newcastle to play 47 games from 1988 to 1990.