How Kenley Jansen's Losses Compares to Similar Players
Kenley Jansen has totaled 40 career Losses, well above the relief pitcher average of 15.5 — production that has significantly underperformed against league baselines. His strongest Losses season came in 2010, posting 0, well below the relief pitcher average of 2.1 that year. The highest point came in 2023 at 6, well above the relief pitcher average of 2.0 that year. The Losses has trended upward over recent seasons. The Losses total has gone from 6 in 2023 to 2 in 2024 and 4 in 2025, falling over the span. The upward arc suggests continued forward momentum heading into 2026. Significant season-to-season variance characterizes the Losses profile — ranging from 0 to 6 — though the career average has remained well below league norms.
Kenley Jansen Lifetime Losses
Stats similar to Losses for Kenley Jansen
| Kenley Jansen
Losses |
|---|
| Career | 40 |
| Season Avg. | 2.5 |
| 162 Game Avg. | 6.95 |
| More Info | See More |
Kenley Jansen Losses Per Season
Kenley Jansen's Losses for each season of his MLB career, plotted against that year's league average. Switch between comparisons — American League, Hall of Fame, RP, Carribean, or players born in the same country — to see how he stacked up year by year.
Kenley Jansen Losses by Team
Kenley Jansen's career Losses totals broken down by each team he played for, ordered by when he first joined that team.
Kenley Jansen Cumulative Losses — Career Progression
A running total of Kenley Jansen's career Losses, plotted season by season. Each point shows the cumulative figure through the end of that year, making it easy to see when he reached key milestones and how his pace changed over time.
Kenley Jansen Losses Distribution vs. Comparable Players
Each box summarizes Kenley Jansen's seasonal Losses 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.
Kenley Jansen Losses — Season-by-Season Breakdown
Every season of Kenley Jansen's MLB career with Losses 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.
