How Sandy Koufax's On Base Percentage (OBP) Compares to Similar Players

Sandy Koufax posted a career On Base Percentage (OBP) of .145, well below the league average of .328 — production that significantly underperformed against league baselines. His best On Base Percentage (OBP) season came in 1965, posting .242, well below the league average of .315 that year. The lowest point came in 1955 at .000, well below the league average of .333 that year. Production slipped through the final seasons. The figure moved from .141 in 1964 to .242 in 1965 and .113 in 1966. The decline marked the closing chapter of the career. Significant season-to-season variance characterizes the On Base Percentage (OBP) profile — ranging from .000 to .242 — though the career average remained well below league norms.

Sandy Koufax Lifetime On Base Percentage (OBP)

Stats similar to On Base Percentage (OBP) for Sandy Koufax
Sandy Koufax
On Base Percentage (OBP)
Career0.145
Season Avg.0.145
162 Game Avg.0.145
More InfoSee More

Sandy Koufax On Base Percentage (OBP) Per Season

Sandy Koufax's On Base Percentage (OBP) 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.
Sandy Koufax On Base Percentage (OBP) per season line chart

Sandy Koufax On Base Percentage (OBP) by Team

Sandy Koufax's career On Base Percentage (OBP) totals broken down by each team he played for, ordered by when he first joined that team.
Sandy Koufax career On Base Percentage (OBP) by team bar chart

Sandy Koufax On Base Percentage (OBP) Year-Over-Year Change

A waterfall chart tracking how Sandy Koufax's career On Base Percentage (OBP) 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.
Sandy Koufax On Base Percentage (OBP) year-over-year waterfall chart

Sandy Koufax On Base Percentage (OBP) Distribution vs. Comparable Players

Each box summarizes Sandy Koufax's seasonal On Base Percentage (OBP) 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.
Sandy Koufax On Base Percentage (OBP) distribution box chart versus comparable players

Sandy Koufax On Base Percentage (OBP) — Season-by-Season Breakdown

Every season of Sandy Koufax's MLB career with On Base Percentage (OBP) 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.
Sandy Koufax On Base Percentage (OBP) season-by-season breakdown table