How Jack Armstrong's Games Started % Compares to Similar Players

Jack Armstrong posted a career Games Started % of 85.53, well above the starting pitcher average of .674 — a mark that ranked among the best of his era. His best Games Started % season came in 1990, posting 93.1, well above the starting pitcher average of .709 that year. The lowest point came in 1992 at 65.71, well above the starting pitcher average of .697 that year. The Games Started % trended upward through the final seasons. The figure moved from 88.89 in 1991 to 65.71 in 1992 and 91.67 in 1993. The upward arc continued through his final campaign. Some season-to-season variance runs through the career line, but the career average remained well above league norms across 6 seasons.

Jack Armstrong Lifetime Games Started %

Stats similar to Games Started % for Jack Armstrong
Jack Armstrong
Games Started %
Career85.53
Season Avg.85.53
162 Game Avg.85.53
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Jack Armstrong Games Started % Per Season

Jack Armstrong's Games Started % for each season of his MLB career, plotted against that year's league average. Switch between comparisons — National League, Hall of Fame, SP, North America, or players born in the same country — to see how he stacked up year by year.
Jack Armstrong Games Started % per season line chart

Jack Armstrong Games Started % by Team

Jack Armstrong's career Games Started % totals broken down by each team he played for, ordered by when he first joined that team.
Jack Armstrong career Games Started % by team bar chart

Jack Armstrong Games Started % Year-Over-Year Change

A waterfall chart tracking how Jack Armstrong's career Games Started % 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.
Jack Armstrong Games Started % year-over-year waterfall chart

Jack Armstrong Games Started % Distribution vs. Comparable Players

Each box summarizes Jack Armstrong's seasonal Games Started % 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.
Jack Armstrong Games Started % distribution box chart versus comparable players

Jack Armstrong Games Started % — Season-by-Season Breakdown

Every season of Jack Armstrong's MLB career with Games Started % 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.
Jack Armstrong Games Started % season-by-season breakdown table