Mark Langston was 17-10 with an ERA of 3.40 and 204 strikeouts in 35 appearances in his rookie season in 1984.

		NAME	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1		Mark Langston M. Langston	1984	SEA	35	17	10	.630	33	3.40	204	5	2	0	225.0	188	85	99	16	118	8	0	5	965	4	8.16	4.72	1.73	0.64	21.1	12.2	1.36	.278	3.96	84	3.55	85	7.52	15.4

Games

	NAME	DATE	SEASON	TM		OPP	DEC	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP
1	Mark Langston M. Langston	9/30/1984	1984	SEA	vs	CWS	W	1	3.86	9	0	0	0	7.0	5	3	3	2	5	0	0	0	31	0
2	Mark Langston M. Langston	9/25/1984	1984	SEA	@	CLE	L	1	40.50	0	0	0	0	1.1	5	6	6	1	5	0	0	0	13	0
3	Mark Langston M. Langston	9/19/1984	1984	SEA	vs	CLE	W	1	2.25	9	0	0	0	8.0	4	2	2	0	3	1	0	0	32	1
4	Mark Langston M. Langston	9/14/1984	1984	SEA	vs	KCR	W	1	1.00	9	1	0	0	9.0	5	1	1	0	3	0	0	1	34	0
5	Mark Langston M. Langston	9/9/1984	1984	SEA	@	KCR		1	6.00	3	0	0	0	6.0	8	4	4	1	3	0	0	0	28	0
6	Mark Langston M. Langston	9/3/1984	1984	SEA	@	TEX	W	1	3.68	7	0	0	0	7.1	9	3	3	0	5	0	0	0	35	0
7	Mark Langston M. Langston	8/29/1984	1984	SEA	vs	DET	W	1	1.00	12	1	0	0	9.0	2	1	1	0	4	0	0	0	32	0
8	Mark Langston M. Langston	8/24/1984	1984	SEA	vs	NYY		1	3.38	4	0	0	0	8.0	7	3	4	0	6	1	0	0	37	0
9	Mark Langston M. Langston	8/19/1984	1984	SEA	@	DET	W	1	1.08	11	0	0	0	8.1	4	1	1	0	4	1	0	0	33	0
10	Mark Langston M. Langston	8/14/1984	1984	SEA	@	NYY	W	1	1.13	5	0	0	0	8.0	6	1	1	0	5	0	0	1	34	0
11	Mark Langston M. Langston	8/8/1984	1984	SEA	vs	CAL	W	1	1.50	7	0	0	0	6.0	4	1	1	0	5	0	0	0	26	0
12	Mark Langston M. Langston	8/3/1984	1984	SEA	@	OAK	L	1	6.35	8	0	0	0	5.2	7	4	8	1	3	0	0	0	28	1
13	Mark Langston M. Langston	7/28/1984	1984	SEA	vs	OAK	W	1	1.08	9	0	0	0	8.1	7	1	1	1	2	0	0	0	33	0
14	Mark Langston M. Langston	7/22/1984	1984	SEA	vs	TOR	L	1	6.75	8	0	0	0	6.2	8	5	5	1	4	0	0	0	31	0
15	Mark Langston M. Langston	7/17/1984	1984	SEA	vs	MIL	W	1	1.13	12	0	0	0	8.0	2	1	1	0	5	0	0	1	31	0
16	Mark Langston M. Langston	7/12/1984	1984	SEA	vs	BOS	W	1	1.13	7	0	0	0	8.0	3	1	1	1	3	0	0	0	29	0
17	Mark Langston M. Langston	7/6/1984	1984	SEA	@	TOR	L	1	11.25	5	0	0	0	4.0	6	5	7	1	2	1	0	0	22	0
18	Mark Langston M. Langston	7/1/1984	1984	SEA	@	BOS	W	1	0.00	8	1	1	0	9.0	3	0	0	0	6	0	0	1	34	0
19	Mark Langston M. Langston	6/26/1984	1984	SEA	@	CWS	W	1	0.00	9	1	1	0	9.0	5	0	0	0	1	0	0	0	32	0
20	Mark Langston M. Langston	6/23/1984	1984	SEA	vs	CLE		0	0.00	2	0	0	0	2.0	1	0	0	0	1	0	0	0	8	0
21	Mark Langston M. Langston	6/20/1984	1984	SEA	vs	CWS	L	1	5.68	5	0	0	0	6.1	9	4	4	0	2	0	0	0	28	0
22	Mark Langston M. Langston	6/15/1984	1984	SEA	vs	TEX		1	3.38	12	0	0	0	8.0	4	3	3	1	4	0	0	0	32	0
23	Mark Langston M. Langston	6/10/1984	1984	SEA	@	CLE	W	0	0.00	4	0	0	0	2.2	2	0	0	0	1	0	0	0	11	0
24	Mark Langston M. Langston	6/9/1984	1984	SEA	@	CLE	L	1	40.50	0	0	0	0	0.2	5	3	6	0	2	0	0	0	10	0
25	Mark Langston M. Langston	6/4/1984	1984	SEA	@	KCR	W	1	1.00	6	1	0	0	9.0	5	1	1	1	3	0	0	0	33	0
	Total							33	3.40	204	5	2	0	225.0	188	85	99	16	118	8	0	5	965	4