List of Houston Astros seasons - Wikipedia
Minnesota Twins Drop Game 3 Of ALCS, Astros Up 2-1
Astros right-handed starting pitchers all-time ranking
Official Houston Astros Website
Houston Astros history - 1980 season
Astros 4, Phillies 1: How Houston won Game 6 and took World Series
Astros clinch the NL Central title
TO THE WORLD SERIES WE GO! ⚾⚾🔥🔥 Houston Astros clinch ALCS, beat NY Yankees 6-5 in Game 4
Astros and Twins are not exactly Twins, but… – ALL THINGS ASTROS
Astros' final-day playoff-clincher games
September 25, 1997: Astros clinch first National League Central Division title – Society for American Baseball Research
Astros All-Time Terrific Ten - Back Sports Page
History of MLB Tiebreaker Games
Big Days in Astros History - October 6, 1980 - Astros clinch first division title in club history