 Despite not having any television or broadcasting experience, Mossop won the position over sixty applicants for the job, many of whom possessed better television credentials than he did.Mossop first appeared on air in 1964 and called his first game in 1965, only four years after former player Ray Stehr had carried out the first ever commercial telecast on Channel 9 in 1961.He spent 20 years as host of a rugby league preview show including the Controversy Corner discussion segment.