How many consecutive ALCS have the Astros played in?
Abreu-led Astros hang on to beat Twins, advance to 7th straight ALCS
Astros sweep past M's into sixth straight ALCS on Peña's 18th-inning home run, MLB
Houston Astros Enter World Series Undefeated In Playoffs
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Astros secure seventh straight ALCS appearance by delivering knockout blow to Twins in Game 4 - The Boston Globe
You Do, in Fact, Have to Hand It to the World Series-Winning Astros - The Ringer