How Robert Keys's ERA Compares to Similar Players

Robert Keys posted a career ERA of 4.8, well above the starting pitcher average of 3.87 — production that significantly underperformed against league baselines. His strongest ERA season came in 1944, posting 1.5. The highest point came in 1942 at 10.59. The ERA trended upward through the final seasons. The figure moved from 4.63 in 1943 to 1.5 in 1944 and 4.26 in 1945. The upward arc continued through his final campaign. Significant season-to-season variance characterizes the ERA profile — ranging from 1.5 to 10.59 — though the career average remained well below league norms.

Robert Keys Lifetime ERA and Similar Stats

Stats similar to ERA for Robert Keys
Robert Keys
ERA
Robert Keys
Component ERA
Robert Keys
Defense Independent ERA
Career4.84.614.28
Season Avg.4.84.614.28
162 Game Avg.4.84.614.28
More InfoSee MoreSee MoreSee More

Robert Keys ERA Per Season

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

Robert Keys ERA by Team

Robert Keys's career ERA totals broken down by each team he played for, ordered by when he first joined that team.
Robert Keys career ERA by team bar chart

Robert Keys ERA Year-Over-Year Change

A waterfall chart tracking how Robert Keys's career ERA 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.
Robert Keys ERA year-over-year waterfall chart

Robert Keys ERA Distribution vs. Comparable Players

Each box summarizes Robert Keys's seasonal ERA 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.
Robert Keys ERA distribution box chart versus comparable players

Robert Keys ERA — Season-by-Season Breakdown

Every season of Robert Keys's MLB career with ERA 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.
Robert Keys ERA season-by-season breakdown table