How Rolla Mapel's Defense Independent ERA Compares to Similar Players

Rolla Mapel posted a career Defense Independent ERA of 5.8, well above the starting pitcher average of 4.03 — production that significantly underperformed against league baselines. Across 1 season, the Defense Independent ERA arc showed a disappointing start, with limited data making longer-term conclusions premature. With 1 season of data, the Defense Independent 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.

Rolla Mapel Lifetime Defense Independent ERA

Stats similar to Defense Independent ERA for Rolla Mapel
Rolla Mapel
Defense Independent ERA
Career5.8
Season Avg.5.8
162 Game Avg.5.8
More InfoSee More

Rolla Mapel Defense Independent ERA Per Season

Rolla Mapel's Defense Independent 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.
Rolla Mapel Defense Independent ERA per season line chart

Rolla Mapel Defense Independent ERA by Team

Rolla Mapel's career Defense Independent ERA totals broken down by each team he played for, ordered by when he first joined that team.
Rolla Mapel career Defense Independent ERA by team bar chart

Rolla Mapel Defense Independent ERA Year-Over-Year Change

A waterfall chart tracking how Rolla Mapel's career Defense Independent 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.
Rolla Mapel Defense Independent ERA year-over-year waterfall chart

Rolla Mapel Defense Independent ERA Distribution vs. Comparable Players

Each box summarizes Rolla Mapel's seasonal Defense Independent 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.
Rolla Mapel Defense Independent ERA distribution box chart versus comparable players

Rolla Mapel Defense Independent ERA — Season-by-Season Breakdown

Every season of Rolla Mapel's MLB career with Defense Independent 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.
Rolla Mapel Defense Independent ERA season-by-season breakdown table