Allan McGregor during a team training camp in Tenerife. The Ibrox side flew to the Canary Island for their winter training camp in January 2019 and Halliday and McGregor were key parts of Steven Gerrard's side.
The Ibrox boss allowed them to take a day off and go an enjoy themselves at a beach club and that's where the Halliday got the better of his veteran team-mate.
McGregor had a few drinks and fell asleep as he sunbathed and that allowed Halliday and a few team-mates to pull a fast one on the goalkeeper.
Along with Scott Arfield, Lee Wallace and Jamie Murphy, they came up with a plan that left McGregor fearing a roasting from his manager.
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