Roy Mahaffey career strikeouts (pitching)

• Best season on file: 106 in 1932.
• Most recent: 13 in 1936.

Sum of 9 regular seasons, 1926 through 1936. Figures come from ESPN's box scores and were last read on September 23, 2026.

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Roy Mahaffey career strikeouts (pitching), 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.
1926	PIT	4	0	0	0.00	4.2	3	1	1.29	0
1927	PIT	2	1	0	7.71	9.1	4	9	1.93	0
1930	ATH	33	9	5	5.01	152.2	38	53	1.57	0
1931	ATH	30	15	4	4.21	162.1	59	82	1.50	2
1932	ATH	37	13	13	5.09	222.2	106	96	1.53	0
1933	ATH	33	13	10	5.17	179.1	66	74	1.52	0
1934	ATH	37	6	7	5.37	129.0	37	55	1.53	2
1935	ATH	27	8	4	3.90	136.0	39	42	1.43	0
1936	BAL	21	2	6	8.10	60.0	13	40	2.03	1

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