Royals telecasts averaged 5.7 through 16 games, up 36 percent over last year. The afternoon opener of Sunday's doubleheader in Boston was the second-highest rated game ever on the network, averaging 7.4 and peaking at 9.9 (or 92,000 households) in the ninth inning.
The pre- and post-game shows also hit all-time highs on Sunday, with a 5.9 after the first game and a 3.4 before the second game.
Dick Kaegel is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.