About Component ERA

Component earned run average is a metric that attempts to forecast the number of earned runs a pitcher or team's pitchers give up on average over nine innings. It looks at a pitcher's statistics and forecasts what their ERA should be given those pitching statistics. Generally, for Component ERA, lower is better. (Source)

Top Seattle Mariners Players by Component ERA

Which Seattle Mariners players rank highest in Component ERA? 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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Seattle Mariners Component ERA Per Season

Seattle Mariners's Component ERA for each season of their history, plotted alongside yearly averages for MLB, the American League, and the American League West.
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Seattle Mariners Component ERA Season Distribution vs. MLB and Peers

Each box summarizes Component ERA across all seasons, comparing the Seattle Mariners 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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Seattle Mariners Component ERA Year-Over-Year Change

A waterfall chart showing how the Seattle Mariners's Component ERA shifted season over season. Each bar represents the change from the previous year, making it easy to spot peak and decline phases.
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Seattle Mariners Component ERA — Season-by-Season Breakdown

Every season of Seattle Mariners's history with Component ERA 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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