J. A. Happ ERA

J. A. Happ Career ERA Overview

J. A. Happ's ERA was 4.13 for his 15-year Major League Baseball career. 2009 was his best season when his ERA was 2.93 and his worst season was 2007 when his ERA was 11.25. J. A. Happ is middlin' tier compared to similar player cohorts career totals, not clearly beating or being beat by Y (3.0750522047158), USA (4.3461226399548), Millenial (4.4765613485252), mlb (4.3614031148122), and SP (4.3392668544321) 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)

J. A. Happ Lifetime ERA and Similar Stats

Stats similar to ERA for J. A. Happ

	J. A. Happ ERA	J. A. Happ Component ERA	J. A. Happ Defense Independent ERA
Career	4.13	4.01	4.16
Season Avg.	4.56	4.7	4.67
162 Game Avg.	4.13	4.01	4.16
More Info	See More	See More	See More

J. A. Happ ERA By Year Line Chart

This line chart shows J. A. Happ'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, SP, and players from their country of birth. For these groups, averages are calculated for each group's performance for the defined year.

J. A. Happ ERA By Year Change

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

J. A. Happ ERA By Year Box Chart

This chart attempts to draw comparisons between J. A. Happ and related player groups by summarizing ERA for each season played by J. A. Happ. 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!

J. A. Happ ERA Per Season Stats Table

This table shows J. A. Happ 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, SP, and players from their country of birth. The comparisons are calculated for each group for each year of J. A. Happ 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.