How George Mack's ERA Compares to Similar Players

George Mack posted a career ERA of 7.19, well above the starting pitcher average of 3.87 — production that significantly underperformed against league baselines. Across 1 season, the ERA arc showed a disappointing start, with limited data making longer-term conclusions premature. With 1 season of data, the ERA arc was below league norms — too limited for reliable trend analysis. Some season-to-season variance runs through the career line, but the career average remained well below league norms across 1 season.

George Mack Lifetime ERA and Similar Stats

Stats similar to ERA for George Mack
George Mack
ERA
George Mack
Component ERA
George Mack
Defense Independent ERA
Career7.196.485.69
Season Avg.7.196.485.69
162 Game Avg.7.196.485.69
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George Mack ERA Per Season

George Mack's ERA for each season of his MLB career, plotted against that year's league average. Switch between comparisons — Negro National League II, Hall of Fame, SP, Unknown, or players born in the same country — to see how he stacked up year by year.
George Mack ERA per season line chart

George Mack ERA by Team

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

George Mack ERA Year-Over-Year Change

A waterfall chart tracking how George Mack'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.
George Mack ERA year-over-year waterfall chart

George Mack ERA Distribution vs. Comparable Players

Each box summarizes George Mack'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.
George Mack ERA distribution box chart versus comparable players

George Mack ERA — Season-by-Season Breakdown

Every season of George Mack'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.
George Mack ERA season-by-season breakdown table