Pittsburgh Keystones 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 Pittsburgh Keystones Players by Component ERA
Which Pittsburgh Keystones 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.


Pittsburgh Keystones Component ERA Per Season
Pittsburgh Keystones's Component ERA for each season of their history, plotted alongside yearly averages for MLB, the Negro National League, and the Negro National League.

Pittsburgh Keystones Component ERA Season Distribution vs. MLB and Peers
Each box summarizes Component ERA across all seasons, comparing the Pittsburgh Keystones to MLB as a whole, the Negro National League, and the Negro National 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.

Pittsburgh Keystones Component ERA Year-Over-Year Change
A waterfall chart showing how the Pittsburgh Keystones'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.

Pittsburgh Keystones Component ERA — Season-by-Season Breakdown
Every season of Pittsburgh Keystones's history with Component ERA alongside yearly averages for MLB, the Negro National League, and the Negro National League. Career totals include sum, average, minimum, maximum, and median.
