How Lefty Boone's Walks Allowed Per 9 Innings Compares to Similar Players

Lefty Boone posted a career Walks Allowed Per 9 Innings of 5.61, well above the starting pitcher average of 3.1 — production that significantly underperformed against league baselines. His strongest Walks Allowed Per 9 Innings season came in 1944, posting 2.57. The highest point came in 1940 at 9.27. The Walks Allowed Per 9 Innings trended upward through the final seasons. The figure moved from 6.33 in 1942 to 4.57 in 1943 and 2.57 in 1944. The upward arc continued through his final campaign. Significant season-to-season variance characterizes the Walks Allowed Per 9 Innings profile — ranging from 2.57 to 9.27 — though the career average remained well below league norms.

Lefty Boone Lifetime Walks Allowed Per 9 Innings

Stats similar to Walks Allowed Per 9 Innings for Lefty Boone
Lefty Boone
Walks Allowed Per 9 Innings
Career5.61
Season Avg.5.61
162 Game Avg.5.61
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Lefty Boone Walks Allowed Per 9 Innings Per Season

Lefty Boone's Walks Allowed Per 9 Innings for each season of his MLB career, plotted against that year's league average. Switch between comparisons — Negro American League, Hall of Fame, SP, North America, or players born in the same country — to see how he stacked up year by year.
Lefty Boone Walks Allowed Per 9 Innings per season line chart

Lefty Boone Walks Allowed Per 9 Innings by Team

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

Lefty Boone Walks Allowed Per 9 Innings Year-Over-Year Change

A waterfall chart tracking how Lefty Boone's career Walks 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.
Lefty Boone Walks Allowed Per 9 Innings year-over-year waterfall chart

Lefty Boone Walks Allowed Per 9 Innings Distribution vs. Comparable Players

Each box summarizes Lefty Boone's seasonal Walks 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.
Lefty Boone Walks Allowed Per 9 Innings distribution box chart versus comparable players

Lefty Boone Walks Allowed Per 9 Innings — Season-by-Season Breakdown

Every season of Lefty Boone's MLB career with Walks 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.
Lefty Boone Walks Allowed Per 9 Innings season-by-season breakdown table