St Mirren unscathed. Steven Gerrard 's side hold a 16 point lead at the top of the Premiership, albeit having played three games more than Celtic.
Even with that in mind going 19 points clear at the weekend could well prove a fatal blow but there's a tough test to negotiate first.
Jim Goodwin's side are the only team to beat Rangers this season and they did it in some style with a deserved 3-2 win in the Betfred Cup.
They've lost just once since October 2 in all competitions and could go fifth with a win in Paisley. Veteran Steven Davis admitted pre-match that there will always be questions over Rangers' mentality until they lift a trophy but coming through this with a win would go a long way to silencing any doubters.
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