How Dave Heaverlo's Opposing Batting Average Compares to Similar Players

Dave Heaverlo posted a career Opposing Batting Average of .273, near the relief pitcher average of .255 — a profile that tracked closely with league norms. His strongest Opposing Batting Average season came in 1977, posting .251, near the relief pitcher average of .261 that year. The highest point came in 1979 at .294, above the relief pitcher average of .263 that year. Output was consistent through the final seasons. The figure moved from .294 in 1979 to .253 in 1980 and .292 in 1981. The consistent output characterized his final seasons. One of the more consistent Opposing Batting Average producers of his era, the career line shows near-average output with little season-to-season variance across 7 seasons.

Dave Heaverlo Lifetime Opposing Batting Average and Similar Stats

Stats similar to Opposing Batting Average for Dave Heaverlo
Dave Heaverlo
Opposing Batting Average
Dave Heaverlo
Opposing Batting Average on Balls in Play
Career0.2730.301
Season Avg.0.2730.301
162 Game Avg.0.2730.301
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Dave Heaverlo Opposing Batting Average Per Season

Dave Heaverlo's Opposing Batting Average for each season of his MLB career, plotted against that year's league average. Switch between comparisons — National League, Hall of Fame, RP, North America, or players born in the same country — to see how he stacked up year by year.
Dave Heaverlo Opposing Batting Average per season line chart

Dave Heaverlo Opposing Batting Average by Team

Dave Heaverlo's career Opposing Batting Average totals broken down by each team he played for, ordered by when he first joined that team.
Dave Heaverlo career Opposing Batting Average by team bar chart

Dave Heaverlo Opposing Batting Average Year-Over-Year Change

A waterfall chart tracking how Dave Heaverlo's career Opposing Batting Average 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.
Dave Heaverlo Opposing Batting Average year-over-year waterfall chart

Dave Heaverlo Opposing Batting Average Distribution vs. Comparable Players

Each box summarizes Dave Heaverlo's seasonal Opposing Batting Average 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.
Dave Heaverlo Opposing Batting Average distribution box chart versus comparable players

Dave Heaverlo Opposing Batting Average — Season-by-Season Breakdown

Every season of Dave Heaverlo's MLB career with Opposing Batting Average 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.
Dave Heaverlo Opposing Batting Average season-by-season breakdown table