Boston Reds Win Percentage Charts and Records
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 Boston Reds Players by Win Percentage
Which Boston Reds 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.


Boston Reds Win Percentage Per Season
Boston Reds's Win Percentage for each season of their history, plotted alongside yearly averages for MLB, the Players' League, and the Players' League.

Boston Reds Win Percentage Season Distribution vs. MLB and Peers
Each box summarizes Win Percentage across all seasons, comparing the Boston Reds to MLB as a whole, the Players' League, and the Players' League. The box covers the middle 50% of seasons, the center line is the median, and the whiskers extend to the min and max values.

Boston Reds Win Percentage Year-Over-Year Change
A waterfall chart showing how the Boston Reds'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.

Boston Reds Win Percentage — Season-by-Season Breakdown
Every season of Boston Reds's history with Win Percentage alongside yearly averages for MLB, the Players' League, and the Players' League. Career totals include sum, average, minimum, maximum, and median.
