How Mark Leiter Jr.'s Innings Pitched Compares to Similar Players

Mark Leiter Jr. has totaled 352 career Innings Pitched, well above the relief pitcher average of 288.4 — a mark that ranks among the best of his generation. His best Innings Pitched season came in 2017, posting 90, well above the relief pitcher average of 39.6 that year. The lowest point came in 2018 at 23, well below the relief pitcher average of 37.9 that year. Production has slipped over the most recent seasons. The Innings Pitched total has gone from 64 in 2023 to 58 in 2024 and 48 in 2025, falling over the span. The slide has continued into 2025, with the production level an open question entering 2026. Significant season-to-season variance characterizes the Innings Pitched profile — ranging from 23 to 90 — though the career average has remained well above league norms.

Mark Leiter Jr. Lifetime Innings Pitched and Similar Stats

Stats similar to Innings Pitched for Mark Leiter Jr.
Mark Leiter Jr.
Innings Pitched
Mark Leiter Jr.
Pitched Outs
Career352.11057
Season Avg.58.7176.17
162 Game Avg.211.4634.2
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Mark Leiter Jr. Innings Pitched Per Season

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

Mark Leiter Jr. Innings Pitched by Team

Mark Leiter Jr.'s career Innings Pitched totals broken down by each team he played for, ordered by when he first joined that team.
Mark Leiter Jr. career Innings Pitched by team bar chart

Mark Leiter Jr. Cumulative Innings Pitched — Career Progression

A running total of Mark Leiter Jr.'s career Innings Pitched, 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.
Mark Leiter Jr. Innings Pitched year-over-year waterfall chart

Mark Leiter Jr. Innings Pitched Distribution vs. Comparable Players

Each box summarizes Mark Leiter Jr.'s seasonal Innings Pitched 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.
Mark Leiter Jr. Innings Pitched distribution box chart versus comparable players

Mark Leiter Jr. Innings Pitched — Season-by-Season Breakdown

Every season of Mark Leiter Jr.'s MLB career with Innings Pitched 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.
Mark Leiter Jr. Innings Pitched season-by-season breakdown table