Jesse Jefferson had a 6-5 record with an ERA of 4.11 and 52 strikeouts in 18 appearances in his rookie season in 1973.

		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		Jesse Jefferson J. Jefferson	1973	BAL	18	6	5	.545	15	4.11	52	3	0	0	100.2	104	46	53	15	46	0	2	1	439	8	4.65	4.11	1.13	1.34	11.8	10.5	1.49	.273	4.74	111	4.83	131	9.30	-13.4

	NAME	DATE	SEASON	TM		OPP	DEC	GS	ERA	SO	CG	IP	H	ER	R	HR	BB	GF	IBB	TBF	WP
1	Jesse Jefferson J. Jefferson	9/29/1973	1973	BAL	vs	CLE		0	0.00	4	0	3.1	1	0	0	0	1	1	0	12	0
2	Jesse Jefferson J. Jefferson	9/25/1973	1973	BAL	vs	DET	W	1	4.50	2	0	6.0	8	3	3	0	4	0	0	29	0
3	Jesse Jefferson J. Jefferson	9/18/1973	1973	BAL	@	DET	W	1	2.00	8	1	9.0	8	2	2	1	3	0	0	36	0
4	Jesse Jefferson J. Jefferson	9/10/1973	1973	BAL	vs	BOS	L	1	7.20	0	0	5.0	9	4	4	0	0	0	0	25	1
5	Jesse Jefferson J. Jefferson	9/3/1973	1973	BAL	@	BOS		1	3.52	3	0	7.2	9	3	7	1	4	0	0	35	0
6	Jesse Jefferson J. Jefferson	8/14/1973	1973	BAL	@	TEX		0	18.00	0	0	2.0	3	4	4	1	1	0	0	10	0
7	Jesse Jefferson J. Jefferson	8/7/1973	1973	BAL	@	MIN	L	1	6.35	2	0	5.2	6	4	4	0	2	0	0	26	0
8	Jesse Jefferson J. Jefferson	8/3/1973	1973	BAL	vs	BOS	W	1	2.00	9	1	9.0	5	2	2	1	4	0	0	36	1
9	Jesse Jefferson J. Jefferson	7/30/1973	1973	BAL	vs	DET	L	1	7.71	1	0	4.2	6	4	4	3	2	0	0	22	0
10	Jesse Jefferson J. Jefferson	7/27/1973	1973	BAL	vs	CLE		1	6.00	2	0	3.0	6	2	2	2	2	0	0	15	1
11	Jesse Jefferson J. Jefferson	7/20/1973	1973	BAL	@	CAL	L	1	11.57	0	0	2.1	5	3	4	0	3	0	1	15	0
12	Jesse Jefferson J. Jefferson	7/16/1973	1973	BAL	@	OAK		1	7.20	4	0	5.0	5	4	5	2	3	0	0	22	1
13	Jesse Jefferson J. Jefferson	7/12/1973	1973	BAL	@	CWS	W	1	2.57	5	0	7.0	6	2	3	0	2	0	0	27	2
14	Jesse Jefferson J. Jefferson	7/8/1973	1973	BAL	vs	OAK		1	3.00	3	0	6.0	6	2	2	1	5	0	0	29	1
15	Jesse Jefferson J. Jefferson	7/3/1973	1973	BAL	vs	MIL	W	0	0.00	2	0	3.0	2	0	0	0	1	1	0	11	0
16	Jesse Jefferson J. Jefferson	7/2/1973	1973	BAL	vs	MIL	L	1	4.91	3	0	7.1	5	4	4	2	5	0	0	30	2
17	Jesse Jefferson J. Jefferson	6/28/1973	1973	BAL	vs	NYY		1	3.86	3	0	4.2	7	2	2	0	1	0	0	21	0
18	Jesse Jefferson J. Jefferson	6/23/1973	1973	BAL	@	BOS	W	1	0.90	1	1	10.0	7	1	1	1	3	0	0	38	0
	Total							15	4.11	52	3	100.2	104	46	53	15	46	2	1	439	8