 Complete the following phrase:  Upon his retirement from playing, Walley became the youth coach at Watford in August 1977. In his early years, players such as Kenny Jackett progressed to the first team. Under his management, Watford won the FA Youth Cup in 1982. Players in that side included future England international John Barnes, future Watford captain, Player of the Season and one-club man Nigel Gibbs, and 