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
Career3.453.83.79
Season Avg.3.453.83.79
162 Game Avg.3.453.83.79
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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 per season line chart

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 career ERA by team bar chart

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 year-over-year waterfall chart

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 distribution box chart versus comparable players

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.
Roberto Hernandez ERA season-by-season breakdown table