About ERA

Earned run average (ERA) is a metric that shows how many earned runs on average, a pitcher or team's pitcher, gives up over the course of nine innings. It is calculated by dividing earned runs by innings pitched then multiplying the result by 9. Generally, for ERA, lower is better. (Source)

Red Faber and Jakob Junis's ERA Per Season Comparison Line Chart

This bar chart compares Red Faber's and Jakob Junis’s ERA for each season of their Major League careers. The data is displayed by player season number instead of the season year to allow for better comparisons as the players progressed through their careers.
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Red Faber and Jakob Junis's Per Season ERA Box Plot

This chart attempts to draw a comparison between Red Faber and Jakob Junis by summarizing their ERA for each season they played. The box represents the middle 50% of the data for each player with the line in the box being the median value. The whiskers represent the ranges for the top and bottom 25% of the data. Review the spread and medians to draw your conclusions!
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Red Faber and Jakob Junis's ERA Comparison Data Table

This table shows Red Faber and Jakob Junis's ERA statistics by season for their full MLB careers. Included with the raw season stats are the aggregations’ sum, average, minimum, maximum, and median. The data is displayed by season number instead of by calendar year to allow for better comparisons as the players progressed through their careers. Because not all players have the same career lengths, seasons not completed will display "—"
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