About Earned Runs

An earned run is a run scored by the opposing team that is considered a direct result of the pitcher's actions. For example, a home run is counted as an earned run since the pitcher is directly responsible for the hit, whereas a player who scores because of a position player's defensive error, or who advanced bases due to a position player's defensive error, is not an earned run. Generally, for Earned Runs, lower is better. (Source)

Top Houston Astros Players by Earned Runs

Which Houston Astros players rank highest in Earned Runs? Below are the top ten by single season and by career totals with the team, requiring at least 50 innings pitched for a season record, or 100 innings pitched for a career record with the team.
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Houston Astros Earned Runs Per Season

Houston Astros's Earned Runs for each season of their history, plotted alongside yearly averages for MLB, the American League, and the American League West.
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Houston Astros Earned Runs Season Distribution vs. MLB and Peers

Each box summarizes Earned Runs across all seasons, comparing the Houston Astros to MLB as a whole, the American League, and the American League West. The box covers the middle 50% of seasons, the center line is the median, and the whiskers extend to the min and max values.
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Houston Astros Cumulative Earned Runs — Franchise Progression

A running total of the Houston Astros's Earned Runs through each season of their MLB history. Each point marks the cumulative franchise total at the end of that year.
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Houston Astros Earned Runs — Season-by-Season Breakdown

Every season of Houston Astros's history with Earned Runs alongside yearly averages for MLB, the American League, and the American League West. Career totals include sum, average, minimum, maximum, and median.
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