How Mort Cooper's Runs Allowed Per 9 Innings Compares to Similar Players

Mort Cooper posted a career Runs Allowed Per 9 Innings of 3.44, well below the starting pitcher average of 4.45 — a mark that ranked among the best of his era. His strongest Runs Allowed Per 9 Innings season came in 1942, posting 2.36, well below the starting pitcher average of 4.25 that year. The highest point came in 1947 at 6.26, well above the starting pitcher average of 4.47 that year. Production slipped through the final seasons. The figure moved from 3.44 in 1946 to 6.26 in 1947. The decline marked the closing chapter of the career. Significant season-to-season variance characterizes the Runs Allowed Per 9 Innings profile — ranging from 2.36 to 6.26 — though the career average remained well above league norms.

Mort Cooper Lifetime Runs Allowed Per 9 Innings

Stats similar to Runs Allowed Per 9 Innings for Mort Cooper
Mort Cooper
Runs Allowed Per 9 Innings
Career3.44
Season Avg.3.44
162 Game Avg.3.44
More InfoSee More

Mort Cooper Runs Allowed Per 9 Innings Per Season

Mort Cooper's Runs Allowed Per 9 Innings 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.
Mort Cooper Runs Allowed Per 9 Innings per season line chart

Mort Cooper Runs Allowed Per 9 Innings by Team

Mort Cooper's career Runs Allowed Per 9 Innings totals broken down by each team he played for, ordered by when he first joined that team.
Mort Cooper career Runs Allowed Per 9 Innings by team bar chart

Mort Cooper Runs Allowed Per 9 Innings Year-Over-Year Change

A waterfall chart tracking how Mort Cooper's career Runs Allowed Per 9 Innings 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.
Mort Cooper Runs Allowed Per 9 Innings year-over-year waterfall chart

Mort Cooper Runs Allowed Per 9 Innings Distribution vs. Comparable Players

Each box summarizes Mort Cooper's seasonal Runs Allowed Per 9 Innings 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.
Mort Cooper Runs Allowed Per 9 Innings distribution box chart versus comparable players

Mort Cooper Runs Allowed Per 9 Innings — Season-by-Season Breakdown

Every season of Mort Cooper's MLB career with Runs Allowed Per 9 Innings 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.
Mort Cooper Runs Allowed Per 9 Innings season-by-season breakdown table