In a fight on 12 March 2011 against Irish boxer Andy Lee, billed "The Celtic War", McEwan, after an almost perfect boxing performance, was convincingly knocked out in the 10th round by a left hook.
In a confrontation on 12 March 2011 against Irish boxer Andy Lee, known as "The Celtic War", McEwan, demonstrating almost flawless boxing abilities, was convincingly defeated in the 10th round with a left hook.