How Jerry Koosman's WHIP Compares to Similar Players
Jerry Koosman posted a career WHIP of 1.26, near the starting pitcher average of 1.34 — a profile that tracked closely with league norms. His strongest WHIP season came in 1969, posting 1.06, below the starting pitcher average of 1.3 that year. The highest point came in 1967 at 1.84, well above the starting pitcher average of 1.23 that year. Production slipped through the final seasons. The figure moved from 1.35 in 1983 to 1.3 in 1984 and 1.42 in 1985. The decline marked the closing chapter of the career. Some season-to-season variance runs through the career line, but the career average tracked near league norms across 19 seasons.
Jerry Koosman Lifetime WHIP
Stats similar to WHIP for Jerry Koosman
| Jerry Koosman
WHIP |
|---|
| Career | 1.259 |
| Season Avg. | 1.259 |
| 162 Game Avg. | 1.259 |
| More Info | See More |
Jerry Koosman WHIP Per Season
Jerry Koosman's WHIP for each season of his MLB career, plotted against that year's league average. Switch between comparisons — National League, Hall of Fame, SP, North America, or players born in the same country — to see how he stacked up year by year.
Jerry Koosman WHIP by Team
Jerry Koosman's career WHIP totals broken down by each team he played for, ordered by when he first joined that team.
Jerry Koosman WHIP Year-Over-Year Change
A waterfall chart tracking how Jerry Koosman'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.
Jerry Koosman WHIP Distribution vs. Comparable Players
Each box summarizes Jerry Koosman'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.
Jerry Koosman WHIP — Season-by-Season Breakdown
Every season of Jerry Koosman'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.
