How J. P. Howell's ERA Compares to Similar Players

J. P. Howell posted a career ERA of 3.83, near the relief pitcher average of 3.96 — a profile that tracked closely with league norms. His strongest ERA season came in 2015, posting 1.43, well below the relief pitcher average of 3.72 that year. The highest point came in 2007 at 7.59, well above the relief pitcher average of 4.21 that year. Production slipped through the final seasons. The figure moved from 1.43 in 2015 to 4.09 in 2016 and 7.36 in 2017. The decline marked the closing chapter of the career. Significant season-to-season variance characterizes the ERA profile — ranging from 1.43 to 7.59 — though the career average tracked near league norms.

J. P. Howell Lifetime ERA and Similar Stats

Stats similar to ERA for J. P. Howell
J. P. Howell
ERA
J. P. Howell
Component ERA
J. P. Howell
Defense Independent ERA
Career3.833.843.87
Season Avg.3.833.843.87
162 Game Avg.3.833.843.87
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J. P. Howell ERA Per Season

J. P. Howell's ERA for each season of his MLB career, plotted against that year's league average. Switch between comparisons — National League, Hall of Fame, RP, North America, or players born in the same country — to see how he stacked up year by year.
J. P. Howell ERA per season line chart

J. P. Howell ERA by Team

J. P. Howell's career ERA totals broken down by each team he played for, ordered by when he first joined that team.
J. P. Howell career ERA by team bar chart

J. P. Howell ERA Year-Over-Year Change

A waterfall chart tracking how J. P. Howell's career ERA shifted from season to season. Each bar represents the change added to his career total that year, making peak and decline phases easy to spot.
J. P. Howell ERA year-over-year waterfall chart

J. P. Howell ERA Distribution vs. Comparable Players

Each box summarizes J. P. Howell's seasonal ERA alongside a selected comparison group across all seasons he played. The box covers the middle 50% of seasons, the center line is the median, and the whiskers extend to the min and max. A tighter box means more consistency; a higher median means more output. Use the selector to switch comparison groups.
J. P. Howell ERA distribution box chart versus comparable players

J. P. Howell ERA — Season-by-Season Breakdown

Every season of J. P. Howell's MLB career with ERA alongside league, Hall of Fame, positional, birth region, and country-of-birth averages for that year. Career totals include sum, average, min, max, and median.

Note: A dash (—) means no qualifying players existed in that comparison group for that season. Most commonly this happens for the Hall of Fame group.
J. P. Howell ERA season-by-season breakdown table