How Tom Acker's ERA Compares to Similar Players

Tom Acker posted a career ERA of 4.12, near the relief pitcher average of 3.96 — a profile that tracked closely with league norms. Across 4 seasons, the ERA arc showed a consistent if unspectacular start, with limited data making longer-term conclusions premature. With 4 seasons of data, the ERA arc was in line with league norms — too limited for reliable trend analysis. Some season-to-season variance runs through the career line, but the career average tracked near league norms across 4 seasons.

Tom Acker Lifetime ERA and Similar Stats

Stats similar to ERA for Tom Acker
Tom Acker
ERA
Tom Acker
Component ERA
Tom Acker
Defense Independent ERA
Career4.124.044.44
Season Avg.4.124.044.44
162 Game Avg.4.124.044.44
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Tom Acker ERA Per Season

Tom Acker'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.
Tom Acker ERA per season line chart

Tom Acker ERA by Team

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

Tom Acker ERA Year-Over-Year Change

A waterfall chart tracking how Tom Acker'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.
Tom Acker ERA year-over-year waterfall chart

Tom Acker ERA Distribution vs. Comparable Players

Each box summarizes Tom Acker'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.
Tom Acker ERA distribution box chart versus comparable players

Tom Acker ERA — Season-by-Season Breakdown

Every season of Tom Acker'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.
Tom Acker ERA season-by-season breakdown table