 When the manager's job at Second Division Southampton became vacant in October 1925, Chadwick resigned his post at Reading to take charge at The Dell, thus becoming the first ex-player to become manager.He found immediate success by guiding the Saints to the semi-final of the 1927 FA Cup, defeating Newcastle United on the way.In the semi-final, played at Stamford Bridge on 26 March 1927, Saints were eliminated 2–1 by Arsenal with Saints' goal coming from Bill Rawlings.