About WHIP

Walks and hits per innings pitched (WHIP) is a metric that shows how often, on average, hitters get on base per inning against a pitcher. It is calculated by summing hits and walks for a given time period then dividing by the number of innings during that time period. Generally, for WHIP, lower is better. (Source)

Top Seattle Mariners Players by WHIP

Which Seattle Mariners players rank highest in WHIP? 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 WHIP Per Season

Seattle Mariners's WHIP 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 WHIP Season Distribution vs. MLB and Peers

Each box summarizes WHIP 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 WHIP Year-Over-Year Change

A waterfall chart showing how the Seattle Mariners's WHIP 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 WHIP — Season-by-Season Breakdown

Every season of Seattle Mariners's history with WHIP 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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