Boston Red Stockings Component ERA Charts and Records
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 Boston Red Stockings Players by Component ERA
Which Boston Red Stockings 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.


Boston Red Stockings Component ERA Per Season
Boston Red Stockings's Component ERA for each season of their history, plotted alongside yearly averages for MLB, the Unknown, and the Unknown.

Boston Red Stockings Component ERA Season Distribution vs. MLB and Peers
Each box summarizes Component ERA across all seasons, comparing the Boston Red Stockings to MLB as a whole, the Unknown, and the Unknown. 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 Red Stockings Component ERA Year-Over-Year Change
A waterfall chart showing how the Boston Red Stockings'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.

Boston Red Stockings Component ERA — Season-by-Season Breakdown
Every season of Boston Red Stockings's history with Component ERA alongside yearly averages for MLB, the Unknown, and the Unknown. Career totals include sum, average, minimum, maximum, and median.
