Mark Portugal career ERA

• Best season on file: 2.66 in 1992.
• Most recent: 5.51 in 1999.

Average of 15 regular seasons, 1985 through 1999. Figures come from ESPN's box scores and were last read on September 22, 2026.

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Mark Portugal 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.
1985	MIN	6	1	3	5.55	24.1	12	14	1.56	0
1986	MIN	27	6	10	4.31	112.2	67	50	1.44	1
1987	MIN	13	1	3	7.77	44.0	28	24	1.86	0
1988	MIN	26	3	3	4.53	57.2	31	17	1.34	3
1989	HOU	20	7	1	2.75	108.0	86	37	1.19	0
1990	HOU	32	11	10	3.62	196.2	136	67	1.29	0
1991	HOU	32	10	12	4.49	168.1	120	59	1.32	1
1992	HOU	18	6	3	2.66	101.1	62	41	1.15	0
1993	HOU	33	18	4	2.77	208.0	131	77	1.30	0
1994	SF	21	10	8	3.93	137.1	87	45	1.31	0
1995	SF/CIN	31	11	10	4.01	181.2	96	56	1.33	0
1996	CIN	27	8	9	3.98	156.0	93	42	1.21	0
1997	PHI	3	0	2	4.61	13.2	2	5	1.61	0
1998	PHI	26	10	5	4.44	166.1	104	32	1.31	0
1999	BOS	31	7	12	5.51	150.1	79	41	1.46	0

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