How Jim Mann's Runs Allowed Per 9 Innings Compares to Similar Players

Jim Mann posted a career Runs Allowed Per 9 Innings of 5.4, above the relief pitcher average of 4.54 — a level that fell short of typical league production. Across 4 seasons, the Runs Allowed Per 9 Innings arc showed a disappointing start, with limited data making longer-term conclusions premature. With 4 seasons of data, the Runs Allowed Per 9 Innings arc was below league norms — too limited for reliable trend analysis. Significant season-to-season variance characterizes the Runs Allowed Per 9 Innings profile — ranging from 3.38 to 21.6 — though the career average fell below league norms.

Jim Mann Lifetime Runs Allowed Per 9 Innings

Stats similar to Runs Allowed Per 9 Innings for Jim Mann
Jim Mann
Runs Allowed Per 9 Innings
Career5.4
Season Avg.5.4
162 Game Avg.5.4
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Jim Mann Runs Allowed Per 9 Innings Per Season

Jim Mann's Runs Allowed Per 9 Innings 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.
Jim Mann Runs Allowed Per 9 Innings per season line chart

Jim Mann Runs Allowed Per 9 Innings by Team

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

Jim Mann Runs Allowed Per 9 Innings Year-Over-Year Change

A waterfall chart tracking how Jim Mann'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.
Jim Mann Runs Allowed Per 9 Innings year-over-year waterfall chart

Jim Mann Runs Allowed Per 9 Innings Distribution vs. Comparable Players

Each box summarizes Jim Mann'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.
Jim Mann Runs Allowed Per 9 Innings distribution box chart versus comparable players

Jim Mann Runs Allowed Per 9 Innings — Season-by-Season Breakdown

Every season of Jim Mann'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.
Jim Mann Runs Allowed Per 9 Innings season-by-season breakdown table