How Roberto Hernandez's ERA Compares to Similar Players
Roberto Hernandez posted a career ERA of 3.45, below the relief pitcher average of 3.96 — production that kept him consistently ahead of most peers. His strongest ERA season came in 1992, posting 1.65, well below the relief pitcher average of 3.63 that year. The highest point came in 1991 at 7.8, well above the relief pitcher average of 3.75 that year. Production slipped through the final seasons. The figure moved from 2.58 in 2005 to 3.11 in 2006 and 6.41 in 2007. The decline marked the closing chapter of the career. Significant season-to-season variance characterizes the ERA profile — ranging from 1.65 to 7.8 — though the career average remained above league norms.
Roberto Hernandez Lifetime ERA and Similar Stats
Stats similar to ERA for Roberto Hernandez
| Roberto Hernandez ERA | Roberto Hernandez Component ERA | Roberto Hernandez Defense Independent ERA |
|---|
| Career | 3.45 | 3.8 | 3.79 |
| Season Avg. | 3.45 | 3.8 | 3.79 |
| 162 Game Avg. | 3.45 | 3.8 | 3.79 |
| More Info | See More | See More | See More |
Roberto Hernandez ERA Per Season
Roberto Hernandez's ERA for each season of his MLB career, plotted against that year's league average. Switch between comparisons — American League, Hall of Fame, RP, Caribbean, or players born in the same country — to see how he stacked up year by year.
Roberto Hernandez ERA by Team
Roberto Hernandez's career ERA totals broken down by each team he played for, ordered by when he first joined that team.
Roberto Hernandez ERA Year-Over-Year Change
A waterfall chart tracking how Roberto Hernandez'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.
Roberto Hernandez ERA Distribution vs. Comparable Players
Each box summarizes Roberto Hernandez'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.
Roberto Hernandez ERA — Season-by-Season Breakdown
Every season of Roberto Hernandez'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.