How Onan Masaoka's Win Percentage Compares to Similar Players

Onan Masaoka posted a career Win Percentage of 37.5, well below the relief pitcher average of 49.61 — production that significantly underperformed against league baselines. Across 2 seasons, the Win Percentage arc showed a disappointing start, with limited data making longer-term conclusions premature. With 2 seasons of data, the Win Percentage arc was below league norms — too limited for reliable trend analysis. Some season-to-season variance runs through the career line, but the career average remained well below league norms across 2 seasons.

Onan Masaoka Lifetime Win Percentage

Stats similar to Win Percentage for Onan Masaoka
Onan Masaoka
Win Percentage
Career37.5
Season Avg.37.5
162 Game Avg.37.5
More InfoSee More

Onan Masaoka Win Percentage Per Season

Onan Masaoka's Win Percentage 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.
Onan Masaoka Win Percentage per season line chart

Onan Masaoka Win Percentage by Team

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

Onan Masaoka Win Percentage Year-Over-Year Change

A waterfall chart tracking how Onan Masaoka'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.
Onan Masaoka Win Percentage year-over-year waterfall chart

Onan Masaoka Win Percentage Distribution vs. Comparable Players

Each box summarizes Onan Masaoka'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.
Onan Masaoka Win Percentage distribution box chart versus comparable players

Onan Masaoka Win Percentage — Season-by-Season Breakdown

Every season of Onan Masaoka'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.
Onan Masaoka Win Percentage season-by-season breakdown table