How Don Aase's WHIP Compares to Similar Players

Don Aase posted a career WHIP of 1.39, near the relief pitcher average of 1.38 — a profile that tracked closely with league norms. His strongest WHIP season came in 1977, posting 1.13, below the relief pitcher average of 1.37 that year. The highest point came in 1988 at 1.65, well above the relief pitcher average of 1.34 that year. The WHIP trended upward through the final seasons. The figure moved from 1.65 in 1988 to 1.38 in 1989 and 1.37 in 1990. The upward arc continued through his final campaign. Some season-to-season variance runs through the career line, but the career average tracked near league norms across 13 seasons.

Don Aase Lifetime WHIP

Stats similar to WHIP for Don Aase
Don Aase
WHIP
Career1.39
Season Avg.1.39
162 Game Avg.1.39
More InfoSee More

Don Aase WHIP Per Season

Don Aase's WHIP 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.
Don Aase WHIP per season line chart

Don Aase WHIP by Team

Don Aase's career WHIP totals broken down by each team he played for, ordered by when he first joined that team.
Don Aase career WHIP by team bar chart

Don Aase WHIP Year-Over-Year Change

A waterfall chart tracking how Don Aase's career WHIP 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.
Don Aase WHIP year-over-year waterfall chart

Don Aase WHIP Distribution vs. Comparable Players

Each box summarizes Don Aase's seasonal WHIP 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.
Don Aase WHIP distribution box chart versus comparable players

Don Aase WHIP — Season-by-Season Breakdown

Every season of Don Aase's MLB career with WHIP 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.
Don Aase WHIP season-by-season breakdown table