How Mark Williamson's Defense Independent ERA Compares to Similar Players
Mark Williamson posted a career Defense Independent ERA of 4.04, near the relief pitcher average of 4.08 — a profile that tracked closely with league norms. His strongest Defense Independent ERA season came in 1989, posting 3.35, below the relief pitcher average of 3.8 that year. The highest point came in 1988 at 4.44, above the relief pitcher average of 3.95 that year. The Defense Independent ERA trended upward through the final seasons. The figure moved from 4.44 in 1991 to 3.8 in 1992 and 3.57 in 1993. The upward arc continued through his final campaign. One of the more consistent Defense Independent ERA producers of his era, the career line shows near-average output with little season-to-season variance across 7 seasons.
Mark Williamson Lifetime Defense Independent ERA
Stats similar to Defense Independent ERA for Mark Williamson
| Mark Williamson
Defense Independent ERA |
|---|
| Career | 4.04 |
| Season Avg. | 4.04 |
| 162 Game Avg. | 4.04 |
| More Info | See More |
Mark Williamson Defense Independent ERA Per Season
Mark Williamson'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, RP, North America, or players born in the same country — to see how he stacked up year by year.
Mark Williamson Defense Independent ERA by Team
Mark Williamson's career Defense Independent ERA totals broken down by each team he played for, ordered by when he first joined that team.
Mark Williamson Defense Independent ERA Year-Over-Year Change
A waterfall chart tracking how Mark Williamson'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.
Mark Williamson Defense Independent ERA Distribution vs. Comparable Players
Each box summarizes Mark Williamson'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.
Mark Williamson Defense Independent ERA — Season-by-Season Breakdown
Every season of Mark Williamson'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.
