How Matt Guerrier's ERA Compares to Similar Players

Matt Guerrier posted a career ERA of 3.52, below the relief pitcher average of 3.96 — production that kept him consistently ahead of most peers. His strongest ERA season came in 2007, posting 2.35, well below the relief pitcher average of 4.21 that year. The highest point came in 2004 at 5.68, well above the relief pitcher average of 4.23 that year. Output was consistent through the final seasons. The figure moved from 3.86 in 2012 to 4.01 in 2013 and 3.86 in 2014. The consistent output characterized his final seasons. Significant season-to-season variance characterizes the ERA profile — ranging from 2.35 to 5.68 — though the career average remained above league norms.

Matt Guerrier Lifetime ERA and Similar Stats

Stats similar to ERA for Matt Guerrier
Matt Guerrier
ERA
Matt Guerrier
Component ERA
Matt Guerrier
Defense Independent ERA
Career3.523.554.2
Season Avg.3.523.554.2
162 Game Avg.3.523.554.2
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Matt Guerrier ERA Per Season

Matt Guerrier's ERA 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.
Matt Guerrier ERA per season line chart

Matt Guerrier ERA by Team

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

Matt Guerrier ERA Year-Over-Year Change

A waterfall chart tracking how Matt Guerrier'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.
Matt Guerrier ERA year-over-year waterfall chart

Matt Guerrier ERA Distribution vs. Comparable Players

Each box summarizes Matt Guerrier'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.
Matt Guerrier ERA distribution box chart versus comparable players

Matt Guerrier ERA — Season-by-Season Breakdown

Every season of Matt Guerrier'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.
Matt Guerrier ERA season-by-season breakdown table