How Al Williamson's Opposing Batting Average Compares to Similar Players

Al Williamson posted a career Opposing Batting Average of .143, well below the relief pitcher average of .255 — a mark that ranked among the best of his era. Across 1 season, the Opposing Batting Average arc showed a promising start, with limited data making longer-term conclusions premature. With 1 season of data, the Opposing Batting Average arc was above league norms — too limited for reliable trend analysis. Some season-to-season variance runs through the career line, but the career average remained well above league norms across 1 season.

Al Williamson Lifetime Opposing Batting Average and Similar Stats

Stats similar to Opposing Batting Average for Al Williamson
Al Williamson
Opposing Batting Average
Al Williamson
Opposing Batting Average on Balls in Play
Career0.1430.143
Season Avg.0.1430.143
162 Game Avg.0.1430.143
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Al Williamson Opposing Batting Average Per Season

Al Williamson's Opposing Batting Average 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.
Al Williamson Opposing Batting Average per season line chart

Al Williamson Opposing Batting Average by Team

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

Al Williamson Opposing Batting Average Year-Over-Year Change

A waterfall chart tracking how Al Williamson'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.
Al Williamson Opposing Batting Average year-over-year waterfall chart

Al Williamson Opposing Batting Average Distribution vs. Comparable Players

Each box summarizes Al Williamson'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.
Al Williamson Opposing Batting Average distribution box chart versus comparable players

Al Williamson Opposing Batting Average — Season-by-Season Breakdown

Every season of Al Williamson'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.
Al Williamson Opposing Batting Average season-by-season breakdown table