Ball player: Adel Taarabt (right) shrugs off Blades David McAllister's challenge
Routledge opened the scoring for Rangers just shy of the half-hour mark after striker Heidar Helguson fed the former Tottenham winger inside the penalty box.
At the double: Alejandro Faurlin (out of picture) is mobbed by his team-mates after scoring Rangers second
Alejandro Faurlin added a second for Rangers before Routledge grabbed his second to send Warnock's side nine points clear of Norwich at the top of thetable.
Three-sy does it: Routledge scores his second and Rangers third
More to follow....
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Source: Daily Mail