How Tom Mastny's Win Percentage Compares to Similar Players

Tom Mastny posted a career Win Percentage of 64.29, well above the relief pitcher average of 49.61 — a mark that ranked among the best of his era. Across 3 seasons, the Win Percentage arc showed a promising start, with limited data making longer-term conclusions premature. With 3 seasons of data, the Win Percentage arc was above league norms — too limited for reliable trend analysis. Significant season-to-season variance characterizes the Win Percentage profile — ranging from .000 to 77.78 — though the career average remained well above league norms.

Tom Mastny Lifetime Win Percentage

Stats similar to Win Percentage for Tom Mastny
Tom Mastny
Win Percentage
Career64.29
Season Avg.64.29
162 Game Avg.64.29
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Tom Mastny Win Percentage Per Season

Tom Mastny's Win Percentage for each season of his MLB career, plotted against that year's league average. Switch between comparisons — American League, Hall of Fame, RP, Asia, or players born in the same country — to see how he stacked up year by year.
Tom Mastny Win Percentage per season line chart

Tom Mastny Win Percentage by Team

Tom Mastny's career Win Percentage totals broken down by each team he played for, ordered by when he first joined that team.
Tom Mastny career Win Percentage by team bar chart

Tom Mastny Win Percentage Year-Over-Year Change

A waterfall chart tracking how Tom Mastny's career Win Percentage 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.
Tom Mastny Win Percentage year-over-year waterfall chart

Tom Mastny Win Percentage Distribution vs. Comparable Players

Each box summarizes Tom Mastny's seasonal Win Percentage 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.
Tom Mastny Win Percentage distribution box chart versus comparable players

Tom Mastny Win Percentage — Season-by-Season Breakdown

Every season of Tom Mastny's MLB career with Win Percentage 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.
Tom Mastny Win Percentage season-by-season breakdown table