How Oliver Perez's Walks Allowed Per 9 Innings Compares to Similar Players
Oliver Perez posted a career Walks Allowed Per 9 Innings of 4.68, well above the starting pitcher average of 3.1 — production that significantly underperformed against league baselines. His strongest Walks Allowed Per 9 Innings season came in 2018, posting 1.95, well below the starting pitcher average of 3.06 that year. The highest point came in 2010 at 8.16, well above the starting pitcher average of 3.08 that year. The Walks Allowed Per 9 Innings trended upward through the final seasons. The figure moved from 2.66 in 2019 to 2.45 in 2021 and 2.25 in 2022. The upward arc continued through his final campaign. Significant season-to-season variance characterizes the Walks Allowed Per 9 Innings profile — ranging from 1.95 to 8.16 — though the career average remained well below league norms.
Oliver Perez Lifetime Walks Allowed Per 9 Innings
Stats similar to Walks Allowed Per 9 Innings for Oliver Perez
| Oliver Perez
Walks Allowed Per 9 Innings |
|---|
| Career | 4.68 |
| Season Avg. | 4.68 |
| 162 Game Avg. | 4.68 |
| More Info | See More |
Oliver Perez Walks Allowed Per 9 Innings Per Season
Oliver Perez's Walks Allowed Per 9 Innings 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.
Oliver Perez Walks Allowed Per 9 Innings by Team
Oliver Perez's career Walks Allowed Per 9 Innings totals broken down by each team he played for, ordered by when he first joined that team.
Oliver Perez Walks Allowed Per 9 Innings Year-Over-Year Change
A waterfall chart tracking how Oliver Perez's career Walks Allowed Per 9 Innings 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.
Oliver Perez Walks Allowed Per 9 Innings Distribution vs. Comparable Players
Each box summarizes Oliver Perez's seasonal Walks Allowed Per 9 Innings 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.
Oliver Perez Walks Allowed Per 9 Innings — Season-by-Season Breakdown
Every season of Oliver Perez's MLB career with Walks Allowed Per 9 Innings 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.
