How Kohei Arihara's Range Factor Compares to Similar Players

Kohei Arihara posted a career Range Factor of .467, well below the league average of 3.1 — production that significantly underperformed against league baselines. Across 2 seasons, the Range Factor arc showed a disappointing start, with limited data making longer-term conclusions premature. With 2 seasons of data, the Range Factor arc was below league norms — too limited for reliable trend analysis. Some season-to-season variance runs through the career line, but the career average remained well below league norms across 2 seasons.

Kohei Arihara Lifetime Range Factor

Stats similar to Range Factor for Kohei Arihara
Kohei Arihara
Range Factor
Career0.467
Season Avg.0.467
162 Game Avg.0.467
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Kohei Arihara Range Factor Per Season

Kohei Arihara's Range Factor for each season of his MLB career, plotted against that year's league average. Switch between comparisons — American League, Hall of Fame, SP, Asia, or players born in the same country — to see how he stacked up year by year.
Kohei Arihara Range Factor per season line chart

Kohei Arihara Range Factor by Team

Kohei Arihara's career Range Factor totals broken down by each team he played for, ordered by when he first joined that team.
Kohei Arihara career Range Factor by team bar chart

Kohei Arihara Range Factor Year-Over-Year Change

A waterfall chart tracking how Kohei Arihara's career Range Factor 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.
Kohei Arihara Range Factor year-over-year waterfall chart

Kohei Arihara Range Factor Distribution vs. Comparable Players

Each box summarizes Kohei Arihara's seasonal Range Factor 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.
Kohei Arihara Range Factor distribution box chart versus comparable players

Kohei Arihara Range Factor — Season-by-Season Breakdown

Every season of Kohei Arihara's MLB career with Range Factor 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.
Kohei Arihara Range Factor season-by-season breakdown table