 Complete the following phrase:  After being spotted playing for his school team, Fraser entered the youth system at First Division club Fulham at the age of 14 in 1967. He began his career as a midfielder, but switched to full back under reserve team manager George Cohen and signed his first professional contract in 1971. He made his senior debut during the 197172 Second Division season and gradually built on his appearance record year-by-year to play 25 games during the 197475 season. An injury to Les Strong allowed him a place in the starting lineup for the 