How Jonathan Bowlan's ERA Compares to Similar Players

Jonathan Bowlan has posted a career ERA of 4.32, near the relief pitcher average of 3.96 — a profile that tracks closely with league norms. Across 3 seasons, the ERA arc has shown a consistent if unspectacular start, with limited data making longer-term conclusions premature. With 3 seasons of data, the ERA arc has been in line with league norms — too limited for reliable trend analysis. Significant season-to-season variance characterizes the ERA profile — ranging from 3.0 to 13.5 — though the career average has tracked near league norms.

Jonathan Bowlan Lifetime ERA and Similar Stats

Stats similar to ERA for Jonathan Bowlan
Jonathan Bowlan
ERA
Jonathan Bowlan
Component ERA
Jonathan Bowlan
Defense Independent ERA
Career4.324.624.72
Season Avg.4.324.624.72
162 Game Avg.4.324.624.72
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Jonathan Bowlan ERA Per Season

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

Jonathan Bowlan ERA by Team

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

Jonathan Bowlan ERA Year-Over-Year Change

A waterfall chart tracking how Jonathan Bowlan'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.
Jonathan Bowlan ERA year-over-year waterfall chart

Jonathan Bowlan ERA Distribution vs. Comparable Players

Each box summarizes Jonathan Bowlan'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.
Jonathan Bowlan ERA distribution box chart versus comparable players

Jonathan Bowlan ERA — Season-by-Season Breakdown

Every season of Jonathan Bowlan'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.
Jonathan Bowlan ERA season-by-season breakdown table