ERA

Jason Jennings · Season-by-season history

ERA over time

Jason Jennings — ERA over time Each bar is a recorded season value, grouped by season and coloured by team and competition. Bars extend from zero. Exact values are listed in the table below. 0 1.71 3.42 5.14 6.85 8.56 2008 2009 2008 · Texas Rangers · MLB: 8.56 2009 · Texas Rangers · MLB: 4.13
  • Texas Rangers · MLB

Hover over a bar for its value. Only numeric values with a recorded season are charted; missing seasons are not treated as zero.

Jason Jennings — ERA by season
SeasonTeamLeagueERA
2009 Texas Rangers MLB 4.13
2008 Texas Rangers MLB 8.56