How to read this player page

The big number is his career NUT, his total production against league average, with its letter grade. This season's NUT sits just below it, followed by 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.

Keith Atherton 2026 Season · CLE

Keith Atherton played in the majors from 1983 to 1989. His career NUT is -3.6, #6,629 of 7,125 pitchers since 1876, and his best season by NUT was 1983 (-0.1). NUT is one number for production against league average: 0.0 is average, and every season is graded against its own league.

Career: 33-41, 3.99 ERA, 349 K in 566.1 IP.

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Keith Atherton Career Stats & NUT | Baseball NUT

Keith Atherton

#55

P · CLE

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-3.6Career NUT

+1.6 to Weak

Career

3.99ERA1.34WHIP33W349K566.1IP26SV

Career · season grades

R/R · 6' 4", 200 lb · b. Feb 19, 1959 · Newport News, VA · Draft 1978 (2nd Rd, #30)

Player Overview

Year by Year


1983	24	OAK	-0.1	2	5	2.77	29	21	4	4	277	68.1	53	21	23	1	40	1.11
1984	25	OAK	-0.8	7	6	4.33	57	24	2	2	453	104.0	110	50	39	2	58	1.43
1985	26	OAK	-0.8	4	7	4.30	56	21	3	3	435	104.2	89	50	42	0	77	1.25
1986	27	OAK	—	1	2	5.87	13	5	0	0	75	15.1	18	10	11	0	8	1.89
1986	27	MIN	-0.1	5	8	3.75	47	31	10	10	356	81.2	82	34	35	1	59	1.43
1986	27	TOT	-0.4	6	10	4.08	60	36	10	10	431	97.0	100	44	46	1	67	1.51
1987	28	MIN	-0.2	7	5	4.54	59	29	2	2	348	79.1	81	40	30	4	51	1.40
1988	29	MIN	-0.5	7	5	3.41	49	13	3	3	309	74.0	65	28	22	2	43	1.18
1989	30	CLE	-0.8	0	3	4.15	32	14	2	2	178	39.0	48	18	13	0	13	1.56
Career	—	7 yrs	-3.6	33	41	3.99	342	158	26	26	2431	566.1	546	251	215	10	349	1.34

Stat definitions →

NUT Breakdown

K Ability

HR Prevention

Walk Avoidance

What's driving Atherton's career NUT of -3.6

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

Career NUT Trend

-0.1

83848586878889

NUT by Season

-0.1

-0.8

-0.4

-0.2

-0.5

-0.8

Awards

1987World Series Championship

Minor League

Year	Age	Lv	W	L	ERA	G	GF	SV	SVO	BF	IP	H	ER	BB	HBP	SO	WHIP
1989	30	AAA	0	1	9.28	4	0	0	0	54	10.2	20	11	5	0	6	2.34
1989	30	AAA	1	2	1.38	6	4	1	1	48	13.0	7	2	1	1	12	0.62
1989	30	AAA	1	3	4.94	10	4	1	1	102	23.2	27	13	6	1	18	1.39

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