Baseball All star game 2013
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Viewership up a smidge, driven by interest in New York for popular pitcher Mariano Rivera

Tune-in for Major League Baseball’s All-Star Game was up slightly this year, with Tuesday’s telecast on Fox averaging 11 million viewers to rule as the night’s top program.

Key to the rise was interest in host city New York, whose local market household rating (11.3) was up 16% from last year.

Tune-in peaked late in the game when longtime New York Yankees relief pitcher Mariano Rivera (pictured above) made his final All-Star appearance. In the 10:45 p.m. ET quarter hour, when Fox camera followed Rivera as he left the centerfield bullpen, nearly 12 million were watching.

Overall, this year’s All-Star Game averaged a 3.2 rating/10 share in adults 18-49, matching last year. And in total viewers, the 10.96 million on Tuesday was up 1% from last year’s 10.89 million.

It was the top-rated program on Fox since the season finale of “American Idol” in mid-May.

Detroit led all markets for the game with a 20.3 household rating — more than the triple the game’s overall rating of 6.9 and a 26% increase from last year. The Tigers’ Max Scherzer was the starting pitcher for the American League, and the rating was especially high in Motor City in the game’s opening half-hour.

Other top-rated markets included St. Louis (16.4), Kansas City (13.9), Cincinnati (12.8) and Baltimore (12.6). Boston, Cleveland, Minneapolis and Tampa Bay were among the cities rising more than 10% from last year.

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