 Moving from the wing to left back, he made his Development Squad debut while an U17 and signed a one-year Development Squad contract at the end of the 2014–15 season.Field signed a new 18-month contract in November 2015 and made his first team debut with a start in a 3–0 victory over West London rivals Fulham on 30 April 2016.He assisted Scott Hogan for one of the goals from a corner, but was forced off after 53 minutes with a calf injury.