The World Series is averaging a 7.5 rating through three games, down 7 percent from last year but up 4 percent over San Francisco's last appearance in 2012. Kansas City's 3-2 win in Game 3 received a 7.2 rating, 13 share and 12.1 million viewers, according to fast national ratings from Nielsen Media Research announced by Fox on Saturday. An additional 228,000 viewers watched Game 3 on Fox Deportes, up 42 percent from 161,000 last year.