http://mlb.mlb.com/mlb/history/all_star_event.jsp?story=5
21 innings
16 innings vs Texas
The longest game in Chicago Cubs history was on May 17, 1927, when they beat the Boston Braves, 4-3, in 22 innings. That's 4 innings short of the longest game in MLB history, as of mid-July 2011.
Longest game in regulation nine innings: four hours twenty-seven minutesLongest game ever: seven hours twenty-three minutes and twenty-three innings
September 1, 1967 the Cincinnati Reds played the longest game in club history, losing to the San Francisco Giants 1-0 in 21 innings.
In MLB history, that would be 26 innings pitched by Leon Cadore of the Brooklyn Robins and Joe Oeschger of the Boston Braves on May 1, 1920. The game ended in a 1-1 tie (called due to darkness) and is the longest game, innings wise, in MLB history.
It was 33 innings
The longest game in Cardinals history was played on September 11, 1974 against the New York Mets. The game went 25 innings and lasted 7 hours and 4 minutes. The Cardinals won 4-3.
The longest scoreless game in MLB history was on April 15, 1968 when the Mets and Astros went 23 scoreless innings. The Astros won the game 1-0 in the 24th inning
92 innnings.
Louisville beat Ft Worth. 2 to 1 in 11 innings
The longest game, innings wise, in MLB history was in 1920 between the Brooklyn Robins and the Boston Braves. It lasted 26 innings and ended in a 1-1 tie.