Complex sentence: The subsequent All-Ireland decider against St. Mary's of Galway was a rout, with a large 8--9 to 2--2 victory giving Grimes a second All-Ireland medal.
Split into simpler sentences: The subsequent All-Ireland decider against St. Mary's of Galway turned into an absolute rout. A huge 8--9 to 2--2 victory gave Grimes a second All-Ireland medal.