About Win Percentage

Win percentage is a metric that shows how often a pitcher wins when they are responsible for a win or a loss. It is calculated by dividing wins by the number of decisions, which is the sum of wins and losses. No decisions are not reflected in win percentage. Generally, for Win Percentage, higher is better. (Source)

Top Philadelphia Phillies Players by Win Percentage

Which Philadelphia Phillies players rank highest in Win Percentage? 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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Philadelphia Phillies Win Percentage Per Season

Philadelphia Phillies's Win Percentage for each season of their history, plotted alongside yearly averages for MLB, the National League, and the National League East.
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Philadelphia Phillies Win Percentage Season Distribution vs. MLB and Peers

Each box summarizes Win Percentage across all seasons, comparing the Philadelphia Phillies to MLB as a whole, the National League, and the National League East. 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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Philadelphia Phillies Win Percentage Year-Over-Year Change

A waterfall chart showing how the Philadelphia Phillies's Win Percentage 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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Philadelphia Phillies Win Percentage — Season-by-Season Breakdown

Every season of Philadelphia Phillies's history with Win Percentage alongside yearly averages for MLB, the National League, and the National League East. Career totals include sum, average, minimum, maximum, and median.
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