How Adam Pettyjohn's ERA Compares to Similar Players

Adam Pettyjohn posted a career ERA of 6.65, well above the starting pitcher average of 3.87 — production that significantly underperformed against league baselines. Across 2 seasons, the ERA arc showed a disappointing start, with limited data making longer-term conclusions premature. With 2 seasons of data, the ERA arc was below league norms — too limited for reliable trend analysis. Significant season-to-season variance characterizes the ERA profile — ranging from 5.82 to 20.25 — though the career average remained well below league norms.

Adam Pettyjohn Lifetime ERA and Similar Stats

Stats similar to ERA for Adam Pettyjohn
Adam Pettyjohn
ERA
Adam Pettyjohn
Component ERA
Adam Pettyjohn
Defense Independent ERA
Career6.656.615.29
Season Avg.6.656.615.29
162 Game Avg.6.656.615.29
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Adam Pettyjohn ERA Per Season

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

Adam Pettyjohn ERA by Team

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

Adam Pettyjohn ERA Year-Over-Year Change

A waterfall chart tracking how Adam Pettyjohn'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.
Adam Pettyjohn ERA year-over-year waterfall chart

Adam Pettyjohn ERA Distribution vs. Comparable Players

Each box summarizes Adam Pettyjohn'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.
Adam Pettyjohn ERA distribution box chart versus comparable players

Adam Pettyjohn ERA — Season-by-Season Breakdown

Every season of Adam Pettyjohn'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.
Adam Pettyjohn ERA season-by-season breakdown table