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MANCHESTER, ENGLAND - OCTOBER 10: John Thompson of The USA lies on the canvas after being knocked down by Liam Smith of Great Britain leading to the end of the contest during their WBO World Super Welterweight championship bout at Manchester Arena on October 10, 2015 in Manchester, England. (Photo by Ben Hoskins/Getty Images)

MANCHESTER, ENGLAND - OCTOBER 10:  John Thompson of The USA lies on the canvas after being knocked down by Liam Smith of Great Britain leading to the end of the contest during their WBO World Super Welterweight championship bout at Manchester Arena on October 10, 2015 in Manchester, England.  (Photo by Ben Hoskins/Getty Images)