How Bill James's Slugging Pct Compares to Similar Players

Bill James posted a career Slugging Pct of .165, well below the league average of .395 — production that significantly underperformed against league baselines. His best Slugging Pct season came in 1915, posting .270, below the league average of .331 that year. The lowest point came in 1912 at .000, well below the league average of .358 that year. Production slipped through the final seasons. The figure moved from .211 in 1917 to .130 in 1918 and .154 in 1919. The decline marked the closing chapter of the career. Significant season-to-season variance characterizes the Slugging Pct profile — ranging from .000 to .270 — though the career average remained well below league norms.

Bill James Lifetime Slugging Pct

Stats similar to Slugging Pct for Bill James
Bill James
Slugging Pct
Career0.165
Season Avg.0.165
162 Game Avg.0.165
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Bill James Slugging Pct Per Season

Bill James's Slugging Pct for each season of his MLB career, plotted against that year's league average. Switch between comparisons — American League, Hall of Fame, SP, North America, or players born in the same country — to see how he stacked up year by year.
Bill James Slugging Pct per season line chart

Bill James Slugging Pct by Team

Bill James's career Slugging Pct totals broken down by each team he played for, ordered by when he first joined that team.
Bill James career Slugging Pct by team bar chart

Bill James Slugging Pct Year-Over-Year Change

A waterfall chart tracking how Bill James's career Slugging Pct 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.
Bill James Slugging Pct year-over-year waterfall chart

Bill James Slugging Pct Distribution vs. Comparable Players

Each box summarizes Bill James's seasonal Slugging Pct 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.
Bill James Slugging Pct distribution box chart versus comparable players

Bill James Slugging Pct — Season-by-Season Breakdown

Every season of Bill James's MLB career with Slugging Pct 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.
Bill James Slugging Pct season-by-season breakdown table