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The big number is this season's NUT, his total production against league average, with its letter grade. Below that are his season and career lines, recent form over 7, 14 and 30 days, game logs, and percentile ranks against every qualified player. NUT is built on the advanced hitting and pitching stats analysts trust, with defense left out, so the number reflects what the player controls.

Gregg Olson 2026 Season · PIT

Career: 40-39, 3.46 ERA, 588 K in 672.0 IP.

Awards: Jackie Robinson AL Rookie of the Year (1989).

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Gregg Olson Stats & Profile | Baseball NUT

Gregg Olson

#30

P · PIT

Compare

BGood

+5.2Career NUT

+2.8 to Great

Career

3.46ERA1.38WHIP40W588K672.0IP217SV

R/R · 6' 4", 210 lb · b. Oct 11, 1966 · Scribner, NE · Draft 1988 (1st Rd, #4)

Player Overview

Year by Year


1988	21	BAL	—	1	1	3.27	10	4	0	0	0	0	51	11.0	10	4	10	0	9	1.82
1989	22	BAL	+1.3	5	2	1.69	64	52	27	0	0	27	356	85.0	57	16	46	1	90	1.21
1990	23	BAL	+1.0	6	5	2.42	64	58	37	0	0	37	305	74.1	57	20	31	3	74	1.18
1991	24	BAL	+1.4	4	6	3.18	72	62	31	0	0	31	319	73.2	74	26	29	1	72	1.40
1992	25	BAL	+0.8	1	5	2.05	60	56	36	0	0	36	244	61.1	46	14	24	0	58	1.14
1993	26	BAL	+0.8	0	2	1.60	50	45	29	0	0	29	188	45.0	37	8	18	0	44	1.22
1994	27	ATL	—	0	2	9.20	16	6	1	0	0	1	77	14.2	19	15	13	1	10	2.18
1995	28	CLE	—	0	0	13.50	3	2	0	0	0	0	14	2.2	5	4	2	0	0	2.63
1995	28	KC	-0.1	3	3	3.26	20	10	3	0	0	3	127	30.1	23	11	17	0	21	1.32
1995	28	TOT	-0.2	3	3	4.09	23	12	3	0	0	3	141	33.0	28	15	19	0	21	1.42
1996	29	DET	-0.5	3	0	5.02	43	28	8	0	0	8	196	43.0	43	24	28	1	29	1.65
1996	29	HOU	—	1	0	4.82	9	2	0	0	0	0	47	9.1	12	5	7	0	8	2.04
1996	29	TOT	-0.5	4	0	4.99	52	30	8	0	0	8	243	52.1	55	29	35	1	37	1.72
1997	30	MIN	—	0	0	18.36	11	5	0	0	0	0	55	8.1	19	17	11	0	6	3.60
1997	30	KC	+0.2	4	3	3.02	34	13	1	0	0	1	171	41.2	39	14	17	1	28	1.34
1997	30	TOT	+0.1	4	3	5.58	45	18	1	0	0	1	226	50.0	58	31	28	1	34	1.72
1998	31	ARI	+0.7	3	4	3.01	64	49	30	0	0	30	281	68.2	56	23	25	1	55	1.18
1999	32	ARI	-0.1	9	4	3.71	61	36	14	9	9	23	257	60.2	54	25	25	2	45	1.30
2000	33	LAD	—	0	1	5.09	13	9	0	0	1	1	81	17.2	21	10	7	1	15	1.58
2001	34	LAD	—	0	1	8.03	28	10	0	4	1	1	120	24.2	26	22	20	0	24	1.86
Career	—	14 yrs	+5.2	40	39	3.46	622	447	217	13	11	228	2889	672.0	598	258	330	12	588	1.38

Stat definitions →

NUT Breakdown

K Ability

HR Prevention

Walk Avoidance

What's driving Olson's career NUT of +5.2

Slice size = share of total NUT. K Ability = Strikeouts · HR Prevention = HR allowed · Walk Avoidance = BB + HBP.

Career NUT Trend

1.4

89909192939596979899

NUT by Season

+1.3

+1.0

+1.4

+0.8

-0.2

-0.5

+0.1

+0.7

-0.1

Awards

1989Jackie Robinson AL Rookie of the Year · Baseball America Major League Rookie of the Year · Orioles Most Valuable Award

1990AL All-Star

1998Diamondbacks Pitcher of the Year

Minor League

Year	Age	Lv	W	L	ERA	G	GS	GF	SV	SVO	BF	IP	H	ER	BB	HBP	SO	WHIP
1988	21	A+	1	0	2.00	8	0	8	4	4	33	9.0	5	2	2	0	9	0.78
1988	21	AA	0	1	5.87	8	0	3	1	1	78	15.1	24	10	6	0	22	1.96
1994	27	AAA	0	0	1.59	8	2	4	2	2	49	11.1	8	2	8	0	13	1.41
1995	28	AAA	1	0	2.49	18	0	17	13	13	92	21.2	16	6	9	3	25	1.15
1995	28	AAA	0	0	0.00	1	0	1	0	0	4	1.0	0	0	1	0	1	1.00
1995	28	AAA	1	0	2.38	19	0	18	13	13	96	22.2	16	6	10	3	26	1.15
1996	29	AAA	0	0	4.26	7	0	7	4	4	33	6.1	6	3	6	1	4	1.89
1997	30	AAA	3	1	3.31	9	5	2	0	0	140	35.1	30	13	10	0	20	1.13
2000	33	A+	0	0	4.05	6	4	0	0	0	31	6.2	8	3	4	0	8	1.80
2000	33	AAA	0	0	4.50	4	0	0	0	0	16	4.0	3	2	2	0	2	1.25

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