Kyle Lafferty was struck down by injury. The big striker is not among Tommy Wright 's squad for Monday night's quarter-final clash with St Mirren at Rugby Park. Record Sport understands Lafferty has a foot issue that's ruled him out of a huge match for the club, who have described the problem as "minor".
Wright's set are bidding to reach a first Hampden semi-final since beating arch rivals Ayr United en-route to lifting the 2012 League Cup.Kilmarnock head into the tie having built momentum in the race to beat the Premiership drop with Lafferty a key man in their improved form.
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