i believe it was the cardinals the other day who scored 9 in the 7t inning
12
The most runs the Yankees have scored in one inning is 14in the 5th inning of a game against the Washington Nationals on July 6, 1920.
13 runs in the 4th inning April 13, 2003 at Cincinnati Reds.
At the start of the 2008 season, the Rays team record for most runs scored in a game is 19 against the Yankees in 2006 and the Blue Jays in 2004. The Rays record for most runs scored in an inning is 11 against the Mariners in 2000.
The most runs scored in one game by one team is 36 by the Chicago in 1897. For an AL team it's the Texas Rangers at 30 in 2007. For a combined score the most is 49 between Chicago (26) and Philadelphia (23) in 1922.
That was the 1st and the 4th where 8 runs combined were scored in each inning.
14
12
They scored 8 in the 2nd inning of some game. My source doesn't give the date, but that is the most they've scored in an inning this year.
The Cleveland Indians scored 14 runs in the top of the 2nd inning on April 18, 2009.
The most runs the Yankees have scored in one inning is 14in the 5th inning of a game against the Washington Nationals on July 6, 1920.
15
The most runs scored in a single inning by the Baltimore Orioles was 12 against the Tampa Bay Devil Rays on April 11, 2002.
13 runs in the 4th inning April 13, 2003 at Cincinnati Reds.
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16 by the Boston beaneaters In 1894
Usually it's the ninth inning because that's when teams rally from behind.