Grigg: We didn't think that was possible
On an unforgettable night at the DW Stadium, Latics emulated the feat of five years ago at Wembley - and the following season at the Etihad - in beating Manchester City in the FA Cup.
Grigg's 79th-minute strike was enough to book the League One outfit a place in the quarter-finals, and knock the quadruple-chasing Premier League pace-setters out of the competition.
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Hide AdAsked during a TV interview after the game whether he thought the win would have been possible, Grigg admitted: "To be honest, probably not, no.
"We worked really hard and the gaffer and the staff put a brilliant game-plan together. It's okay to say that but the lads have executed it perfectly.
"Even before the sending off we were playing really well.
"Every player out there was outstanding."
His goal was his seventh in the FA Cup this season - a competition in which Latics have also claimed the scalps of top flight sides Bournemouth and West Ham.
They also produced a monumental defensive effort in limiting a team which has chalked up 111 goals in all competitions already this campaign.
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Hide Ad"They have some of the best players in the world, and we defended unbelievably well," added Grigg.
FA Cup-winning manager Roberto Martinez was back at the DW Stadium as a summariser for the BBC.
"If that was a league game, the difference in quality in the two squads, you could not see a result like that," said Martinez, the Belgium manager.
"But because it's the Cup competition - the FA Cup is without a doubt the best cup competition in world football - and you saw it today.
"It's an incredible story, and an incredible occasion."