The midfielder produced a captain's display as he scored in the 3-1 to ease the pressure on Neil Warnock but it was bittersweet.
Aberdeen captain Graeme Shinnie was left fuming by John Beaton after being shown a yellow card that will rule him out of the Scottish Cup Final.
Danny Armstrong pulled one back for Killie just before half-time but the hosts regained control after the break and wrapped up the tie when McGrath's shot went in off Stuart Findlay for an own goal. Shinnie. 32, was delighted to help deliver a third appearance of the season at the national stadium for the Red Army but couldn't his fury after being shown a yellow card for simulation despite replays suggesting he had been fouled by James Balagizi.
Brasil Últimas Notícias, Brasil Manchetes
Similar News:Você também pode ler notícias semelhantes a esta que coletamos de outras fontes de notícias.
First picture of tragic Scots schoolgirl who died at Aberdeen swimming poolA fundraising page has been created to support Jessica Rennie's family with funeral costs.
Consulte Mais informação »
Two men arrested after 'incident with bladed weapons' near Aberdeen schoolPolice were called to the scene near St Machar Academy in Aberdeen shortly before 11am on Friday with two men arrested over an alleged assault.
Consulte Mais informação »
Scotland Crime LIVE as Aberdeen paedophile travelled 300 miles to meet girl, 13Bringing you the latest crime news from all across Scotland and beyond every day.
Consulte Mais informação »
Sir Rod Stewart and Graeme Souness place £10k charity bet on Scottish Premiership titleOld Firm rivals Sir Rod Stewart and Graeme Souness have agreed to a £10k charity bet on the outcome of this year's Scottish Premiership title.
Consulte Mais informação »
Inside the Aberdeen dressing room reaction to late St Mirren gut punchThe Dons are looking to bounce back this weekend after losing two goals in stoppage time in Paisley.
Consulte Mais informação »
Aberdeen 2 Kilmarnock 1 HT as Danny Armstrong reduces deficit with composed close range finishIt's the first of the four quarter final ties being played across the weekend as eight teams look to secure their place at Hampden.
Consulte Mais informação »