Jim O'Rourke ERA

Jim O'Rourke Career ERA Overview

Jim O'Rourke's ERA was 4.12 for his 2-year Major League Baseball career. 1884 was his best season when his ERA was 2.84 and his worst season was 1883 when his ERA was 6.43. Jim O'Rourke is middlin' tier compared to similar player cohorts career totals, not clearly beating or being beat by Pre-Generational (3.4570995999774), Y (3.0750522047158), LF (4.6010671533011), USA (4.3461226399548), and mlb (4.3614031148122) player career averages. See the charts and graphs below that visualize this information in more detail.

Earned run average (ERA) is a metric that shows how many earned runs on average, a pitcher or team's pitcher, gives up over the course of nine innings. It is calculated by dividing earned runs by innings pitched then multiplying the result by 9. Generally, for ERA, lower is better. (Source)

Jim O'Rourke Lifetime ERA and Similar Stats

Stats similar to ERA for Jim O'Rourke

	Jim O'Rourke ERA	Jim O'Rourke Component ERA	Jim O'Rourke Defense Independent ERA
Career	4.12	1.94	2.9
Season Avg.	4.64	2.88	2.95
162 Game Avg.	4.12	1.94	2.9
More Info	See More	See More	See More

Jim O'Rourke ERA By Year Line Chart

This line chart shows Jim O'Rourke's yearly ERA for each season of his Major League Baseball career. Also included, for comparison, are yearly player averages for MLB, Hall of Fame players, LF, and players from their country of birth. For these groups, averages are calculated for each group's performance for the defined year.

Jim O'Rourke ERA By Year Change

This waterfall chart attempts to show how Jim O'Rourke's career ERA changed per season. This data is cumulative for each season, each column represents the career ERA Jim O'Rourke had at that season in his career.

Jim O'Rourke ERA By Year Box Chart

This chart attempts to draw comparisons between Jim O'Rourke and related player groups by summarizing ERA for each season played by Jim O'Rourke. The box represents the middle 50% of the data for each player with the line in the box being the median value. The whiskers represent the ranges for the top and bottom 25% of the data. Review the spread and medians to draw your conclusions!

Jim O'Rourke ERA Per Season Stats Table

This table shows Jim O'Rourke ERA stats per season for his full MLB career with the aggregations’ sum, average, minimum, maximum, and median. Also included, for comparison, are season player averages for MLB, Hall of Fame players, LF, and players from their country of birth. The comparisons are calculated for each group for each year of Jim O'Rourke career.

Note: "—" indicate there were no players for comparison for a specific year. Most commonly this happens for the hall of fame group where there may not have been a hall of famer playing that year.