Nine-man Rangers suffered a major blow ahead of next week's crunch Old Firm derby after slumping to a 2-1 defeat at St Mirren in the Clydesdale Bank Premier League.
Lee McCulloch and Dorin Goian both saw red, ruling them out of Wednesday's clash at Celtic Park, as Saints secured their first win over Rangers since 2008.
Lee Wallace opened the scoring with his first goal for the Scottish champions but the home side took advantage of McCulloch's dismissal and hit back through goals from Aaron Mooy and Paul McGowan to secure the win.
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