Career
Pinnock began his career with Southend United and made his professional debut on 16 April 2013 in a 2–0 victory against Aldershot Town. Following his release from Southend, he joined Bromley. In a home fixture against Hemel Hempstead Town, Pinnock played over 45 minutes as goalkeeper, following Seb Brown"s sending official
He made two further league appearances for Bromley, before joining Concord Rangers on loan in December.
In February 2015, he moved to Tonbridge Angels on a month"s loan. He was recalled from his loan early by Bromley, due to injuries to several attacking players.
However, he returned to Tonbridge at the end of March, on loan for the remainder of the season. During the summer of 2015 he joined Maidstone United, subsequently going out to Tonbridge Angels for a third loan spell in September.
Following his release by Maidstone United in November, he was signed by Dover Athletic later that same week.