D-backs final extra-inning affair of season put them at 80 extra innings played, 2 shy of Major League record 82 innings by 1918 Washington Senators [Elias Sports Bureau] while franchise-record 25 extra-inning games were 2 shy of NL-record 27 (1943 Braves, 1967 Dodgers, 1990 Astros).
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Source: Historical record