By Harry Davies Jake Paul called out Canelo Alvarez again just moments after apologising to fans for his first round KO against Ryan Bourland. The YouTuber-turned-boxer made easy work of Bourland on Saturday night in his 10th professional fight. Paul was mixing up his punches to the body and head of Bourland, who covered up with his back against the ropes and fell to his knees as the referee waved off the fight. It was a quicker night at the office than Paul expected as he predicted a second round win having knocked out another unknown professional boxer, Andre August, in the first round last …