When Junee was injured in the years after winning the Rothmans Medal in 1970, Mayes spent a considerable amount of time in first grade and for part of 1972 actually relegated Junee to the reserves - though by finals time Junee had displaced him again, playing in the club's 19–14 Grand Final loss to Manly-Warringah.
When Junee was injured after winning the Rothmans Medal in 1970, Mayes spent a considerable amount of time in first grade and for part of 1972 relegated Junee to the reserves - though by finals time Junee had displaced him again, playing in the club's Grand Final loss to Manly-Warringah.