Yahoo Sports reports: There appeared to be thousands of empty seats scattered throughout Levi's Stadium for the World Cup match between Qatar and Switzerland on Saturday. On an unseasonably warm June afternoon by Bay Area standards, with the temperature at kickoff around 82 degrees Fahrenheit (28 degrees Celsius), many of those vacant seats were on the east side of the stadium that typically can get very hot for much of the year. On Friday, FIFA blamed the empty seats during the World Cup match between South Korea and the Czech Republic in Guadalajara on fans who watched from the concourses.