Ben Whittaker knocks out Braian Suarez in first round before announcing US debut on Jaron Ennis and Xander Zayas show

Matchroom promoter Eddie Hearn announces Ben Whittaker will make his American debut in New York in June on the undercard of Jaron Ennis against Xander Zayas, before returning to headline in Birmingham; Whittaker extends unbeaten record with first-round KO against Braian Suarez