'"I have my business perception and I have my personal perception," said Steve Calvaneso, who owns three restaurants and a men's store in downtown Buffalo and who is contemplating a run for mayor. One of his restaurants, City Grill, is only a few blocks from the arena, and he said he was losing $1,500 to $4,000 in sales every game night, which could add up to, he said, $100,000 for the season.'