Hurlock made 35 appearances and scored no goals during his year with Reading. In 2002, Hurlock revealed that he failed to see eye-to-eye with manager Ian Branfoot, as he refused to relocate to Reading from his Brentford home. Millwall Hurlock joined Second Division club Millwall for a £95,000 fee on 12 February 1987 and reunited with former Brentford assistant manager John Docherty, then-manager of the Lions. He made 13 appearances and scored one goal in what remained of the 1986–87 season, before making 33 appearances in the following campaign, helping the Lions to the Second Division championship and to top-flight football for the first time in the club's history. Nicknamed 'Terry Warlock' by the Millwall supporters, Hurlock showed impressive form during the 1988–89 season, making 40 appearances, scoring three goals and winning the club's Player of the Year award. He made a further 37 appearances during the 1989–90 season, a disastrous campaign in which Millwall were relegated back to the Second Division with a bottom-place finish in the First Division. Hurlock departed Millwall on 23 August 1990, having made 123 appearances and scored 10 goals during -years at The Den. Rangers Hurlock moved to Scotland to sign for Scottish League Premier Division club Rangers on 23 August 1990 for a £375,000 fee. In one season at Ibrox, Hurlock made 35 appearances, scored two goals and won Premier Division and League Cup medals. Southampton Hurlock returned to England to sign for First Division club Southampton on 9 September 1991 for a £400,000 fee. He made 36 appearances and scored two goals during the 1991–92 season and was part of the team which reached the 1992 Full Members Cup Final, losing 3–2 to Nottingham Forest after extra time. Hurlock made 33 appearances during the inaugural season of the new Premier League, before falling out of favour the following year departing in February 1994. He made 71 appearances and scored two goals in -years at The Dell. Return to Millwall Hurlock dropped down to the First Division to rejoin high-flying Millwall on 25 February 1994 on a free transfer. He had an ignominious return to action with the Lions, lasting just nine minutes after being the first of three players sent off in a 0–0 draw with Leicester City on 6 March. Hurlock made 15 appearances during what remained of the 1993–94 season, helping the club to a third-place finish and a spot