How Ryan Dempster's ERA Compares to Similar Players
Ryan Dempster posted a career ERA of 4.35, above the starting pitcher average of 3.87 — a level that fell short of typical league production. His strongest ERA season came in 2008, posting 2.96, well below the starting pitcher average of 4.42 that year. The highest point came in 1998 at 7.08, well above the starting pitcher average of 4.48 that year. The ERA trended upward through the final seasons. The figure moved from 4.8 in 2011 to 3.38 in 2012 and 4.57 in 2013. The upward arc continued through his final campaign. Some season-to-season variance runs through the career line, but the career average fell below league norms across 16 seasons.
Ryan Dempster Lifetime ERA and Similar Stats
Stats similar to ERA for Ryan Dempster
| Ryan Dempster
ERA | Ryan Dempster
Component ERA | Ryan Dempster
Defense Independent ERA |
|---|
| Career | 4.35 | 4.39 | 4.18 |
| Season Avg. | 4.35 | 4.39 | 4.18 |
| 162 Game Avg. | 4.35 | 4.39 | 4.18 |
| More Info | See More | See More | See More |
Ryan Dempster ERA Per Season
Ryan Dempster's ERA for each season of his MLB career, plotted against that year's league average. Switch between comparisons — National League, Hall of Fame, SP, North America, or players born in the same country — to see how he stacked up year by year.
Ryan Dempster ERA by Team
Ryan Dempster's career ERA totals broken down by each team he played for, ordered by when he first joined that team.
Ryan Dempster ERA Year-Over-Year Change
A waterfall chart tracking how Ryan Dempster'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.
Ryan Dempster ERA Distribution vs. Comparable Players
Each box summarizes Ryan Dempster'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.
Ryan Dempster ERA — Season-by-Season Breakdown
Every season of Ryan Dempster'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.
