Lefty Stewart career ERA

• Best season on file: 3.25 in 1929.
• Most recent: 5.67 in 1935.

Figures come from ESPN's box scores and were last read on September 21, 2026.

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Lefty Stewart career ERA, season by season

Season↓	Team↓	GP↓iGP: Games the player appeared in, however briefly.	W↓iW: Games in which this pitcher was credited with the win.	L↓iL: Games in which this pitcher was charged with the loss.	ERA↓iERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent.	IP↓iIP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs.	K↓iK: Batters this pitcher struck out.	BB↓iBB: Times the batter reached first base on four balls.	WHIP↓iWHIP: Walks and hits allowed per inning pitched — lower is better. Around 1.00 is elite.	SV↓iSV: Games finished by protecting a narrow lead to the last out.
1921	DET	5	0	0	12.00	9.0	4	5	2.78	1
1927	BAL	27	8	11	4.28	155.2	43	43	1.48	1
1928	BAL	29	7	9	4.67	142.2	25	32	1.44	3
1929	BAL	23	9	6	3.25	149.2	47	49	1.24	0
1930	BAL	35	20	12	3.45	271.0	79	70	1.30	0
1931	BAL	36	14	17	4.40	258.0	89	85	1.44	0
1932	BAL	41	15	19	4.61	259.2	86	99	1.42	1
1933	MIN	34	15	6	3.82	230.2	69	60	1.24	0
1934	MIN	24	7	11	4.03	152.0	36	36	1.45	0
1935	MIN/CLE	25	6	7	5.67	93.2	25	19	1.59	2

What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV