ShareJack Robinson career ERA2.25Career Regular SeasonJack Robinson has a career ERA of 2.25 over 1 regular season.Career1949Strikeouts (Pitching)Jack Robinson career ERA, season by seasonSeasonTeamGPiGP: Games the player appeared in, however briefly.WiW: Games in which this pitcher was credited with the win.LiL: Games in which this pitcher was charged with the loss.ERAiERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent.IPiIP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs.KiK: Batters this pitcher struck out.BBiBB: Times the batter reached first base on four balls.WHIPiWHIP: Walks and hits allowed per inning pitched — lower is better. Around 1.00 is elite.SViSV: Games finished by protecting a narrow lead to the last out.1949BOS3002.254.0111.250What the columns mean: W · L · ERA · IP · K · BB · WHIP · SVFigures come from ESPN's box scores and were last read on November 2, 2026.Keep goingJack Robinson ERA in 1949Who led the MLB in ERA in 1949?How many strikeouts (pitching) did Jack Robinson have in 1949?How many home runs did Aaron Judge hit last season