‘The Bills’ front office says that 10 to 15 percent of the team’s fans at home games come from Canada. One of them, Mike deBenedictis of Mississauga, Ontario, said he attended several Argonauts games each year but was making the trip to see a game in Buffalo for the first time. “The tailgating, the excitement, it’s electric here,” he said. “You can sense it before you’re two miles from the stadium.”‘