Barstool Sports founder Davie Portnoy got into a shouting match with the owner of a pizza joint who was angered that the loudmouth mogul was giving his restaurant a negative review. The 46-year-old Portnoy was in the middle of one of his customary pizza reviews that he offers to his legion of sports bro fans online when he was confronted by the owner of Dragon Pizza in Somerville, Mass. In a videotaped segment that he posted for his “One Bite” series, Portnoy, who judges the food based on one bite, is seen walking out of the shop with a pie...