How Wei-Yin Chen's Runs Allowed Per 9 Innings Compares to Similar Players
Wei-Yin Chen posted a career Runs Allowed Per 9 Innings of 4.45, near the starting pitcher average of 4.45 — a profile that tracked closely with league norms. His strongest Runs Allowed Per 9 Innings season came in 2015, posting 3.67, below the starting pitcher average of 4.33 that year. The highest point came in 2019 at 7.11, well above the starting pitcher average of 4.83 that year. Production slipped through the final seasons. The figure moved from 3.82 in 2017 to 5.06 in 2018 and 7.11 in 2019. The decline marked the closing chapter of the career. Some season-to-season variance runs through the career line, but the career average tracked near league norms across 8 seasons.
Wei-Yin Chen Lifetime Runs Allowed Per 9 Innings
Stats similar to Runs Allowed Per 9 Innings for Wei-Yin Chen
| Wei-Yin Chen Runs Allowed Per 9 Innings |
|---|
| Career | 4.45 |
| Season Avg. | 4.45 |
| 162 Game Avg. | 4.45 |
| More Info | See More |
Wei-Yin Chen Runs Allowed Per 9 Innings Per Season
Wei-Yin Chen's Runs 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, Asia, or players born in the same country — to see how he stacked up year by year.
Wei-Yin Chen Runs Allowed Per 9 Innings by Team
Wei-Yin Chen's career Runs Allowed Per 9 Innings totals broken down by each team he played for, ordered by when he first joined that team.
Wei-Yin Chen Runs Allowed Per 9 Innings Year-Over-Year Change
A waterfall chart tracking how Wei-Yin Chen's career Runs 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.
Wei-Yin Chen Runs Allowed Per 9 Innings Distribution vs. Comparable Players
Each box summarizes Wei-Yin Chen's seasonal Runs 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.
Wei-Yin Chen Runs Allowed Per 9 Innings — Season-by-Season Breakdown
Every season of Wei-Yin Chen's MLB career with Runs 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.