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.
On 12 March 2011 during a match involving Irish boxer Andy Lee, referred to as "The Celtic War", McEwan, showcasing nearly perfect boxing skills, was knocked out decisively by a left hook in the 10th round.