Player Report for #22 Ryan Zeferjahn

Ryan Zeferjahn

P Ryan Zeferjahn #22 Worcester Red Sox (BOS) IL Age: 27 \| Bats: R \| Throws: R \| Morale: Very Unhappy 09/14/2025	OA: 40	POT: 40
BNN Index \| IL \| SCORES \| STANDINGS \| STATS \| TEAMS \| PLAYERS \| TRANSACTIONS \| HISTORY

P RYAN ZEFERJAHN #22 - AGE: 27 - BATS: R - THROWS: R - MORALE: VERY UNHAPPY

G	GS	Rec	SV	ERA	IP	HA	HR	BB	K	WHIP	WAR
7	0	2-0	0	2.87	15.2	8	0	8	17	1.02	0.4

PITCHING RATINGS (OSA)
	Overall	Pot.	Overall	Vs Left	Vs Right	Pot.
Stuff			55	50	55	55
Movement			50	45	50	50
Control			45	45	45	45

PITCHING RATINGS
Pitch	Cur.	Pot.
Fastball	65	65
Slider	65	65
Changeup	50	50

OTHER PITCHING RATINGS
Velocity	95-97 Mph
Stamina	45
Suggested Role	Starter
Type	Flyball Pitcher
Hold Runners	50
Defense	70

RUN/BUNT RATINGS
Running Speed:	30
Stealing Ability:	25
Baserunning Inst.:	30
Sacrifice Bunt:	40
Bunt for Hit:	35

GAME LOG, LAST 10 GAMES

Date	Vs.	Result	Start	IP	H	R	ER	BB	K	Dec
09/05/2025	GWI	Win, 7-0		2.1	0	0	0	3	2	Win
09/03/2025	GWI	Loss, 14-15		3.0	1	2	2	1	2
09/01/2025	@ SCR	Loss, 0-3		2.0	1	0	0	1	3
08/28/2025	@ ALT	Loss, 4-5	X	6.0	3	1	1	4	7
08/22/2025	SOM	Win, 6-3	X	5.2	2	0	0	3	8	Win
08/17/2025	AKR	Win, 5-2	X	6.1	6	2	2	4	2	Win
08/12/2025	@ NHA	Loss, 3-4	X	5.1	9	3	2	2	8	Loss
08/06/2025	HAR	Win, 6-4	X	6.1	8	3	3	0	6	Win
08/01/2025	BIN	Loss, 3-5	X	4.1	3	5	5	3	4	Loss
07/26/2025	@ CHE	Loss, 5-7	X	6.1	5	1	1	1	9

PERSONALITY
Works hard when he's at the park, but has interests off the field, too.


Low: Adaptability

Birthday:	02/28/1998
Born in:	Topeka, KS
Nationality:	American
Height:	6' 4"
Weight:	200 lbs
Local Popularity:	Unknown
National Pop.:	Unknown

STATUS
Contract:	Minor League Contract
Salary:	-
Signed Through:	-
Major Service:	None, None
Service This Yr:	None
40-Man Service:	None, None
Pro Service:	5 Years
Arbitration Eligibility:	Not yet eligible
Option Years:	3 option years left
Contract Extension:	-
Drafted:	-

INTERNATIONAL LEAGUE 2025 PITCHING STATS

Pitching	G	GS	W	L	SV	ERA	IP	HA	R	ER	HR	BB	K	CG	CG%	SHO	QS	QS%
Overall	7	0	2	0	0	2.87	15.2	8	6	5	0	8	17	0	0.0	0	0	0.0
Pitching	SVO	BS	SV%	RA	GF	BR/9	H/9	K/9	BB/9	FIP	WHIP	FIP-	WAR	BABIP
Overall	0	0	0.0	7	1	10.91	4.60	9.77	4.60	3.30	1.02	65	0.4	.211
Pitching	AB	H	2B	3B	HR	R	BB	K	SF	SH	HP	AVG	OBP	SLG	OPS
vs. LHB	31	7	1	0	0	4	5	9	0	0	3	.226	.385	.258	.643
vs. RHB	24	1	0	0	0	2	3	8	0	0	0	.042	.148	.042	.190

INTERNATIONAL LEAGUE 2025 PITCHING SPLITS

Split	G	GS	W	L	SV	ERA	IP	HA	R	ER	HR	BB	K
Last Week	3	0	1	0	0	2.45	7.1	2	2	2	0	5	7
April	1	0	0	0	0	0.00	1.2	0	0	0	0	0	2
May	3	0	1	0	0	4.05	6.2	6	4	3	0	3	8
September	3	0	1	0	0	2.45	7.1	2	2	2	0	5	7
Last Year	45	0	9	1	1	3.30	62.2	56	23	23	5	29	55
2 Years Ago	45	0	5	2	20	7.09	59.2	61	47	47	18	44	80
Career	97	0	16	3	21	4.89	138.0	125	76	75	23	81	152
Home	4	0	2	0	0	1.54	11.2	4	2	2	0	5	11
Road	3	0	0	0	0	6.75	4.0	4	4	3	0	3	6
Grass	7	0	2	0	0	2.87	15.2	8	6	5	0	8	17
Day	1	0	1	0	0	0.00	2.1	2	0	0	0	0	3
Night	6	0	1	0	0	3.38	13.1	6	6	5	0	8	14
As Reliever / Substitution	7	0	2	0	0	2.87	15.2	8	6	5	0	8	17

EASTERN LEAGUE 2025 PITCHING STATS

Pitching	G	GS	W	L	SV	ERA	IP	HA	R	ER	HR	BB	K	CG	CG%	SHO	QS	QS%
Overall	18	18	6	8	0	4.50	86.0	84	44	43	10	38	101	0	0.0	0	8	44.4
Pitching	SVO	BS	SV%	RA	GF	BR/9	H/9	K/9	BB/9	FIP	WHIP	FIP-	WAR	BABIP
Overall	0	0	0.0	0	0	14.13	8.79	10.57	3.98	4.43	1.42	95	1.4	.335
Pitching	AB	H	2B	3B	HR	R	BB	K	SF	SH	HP	AVG	OBP	SLG	OPS
vs. LHB	139	37	6	0	3	17	20	40	2	0	3	.266	.366	.374	.740
vs. RHB	190	47	5	1	7	27	18	61	1	0	10	.247	.342	.395	.737

EASTERN LEAGUE 2025 PITCHING SPLITS

Split	G	GS	W	L	SV	ERA	IP	HA	R	ER	HR	BB	K
April	4	4	2	1	0	4.84	22.1	19	12	12	2	12	21
May	2	2	0	1	0	3.38	8.0	6	3	3	1	1	9
June	2	2	0	2	0	8.44	5.1	7	5	5	0	4	9
July	4	4	1	2	0	5.51	16.1	21	10	10	4	5	27
August	6	6	3	2	0	3.44	34.0	31	14	13	3	16	35
Career	24	18	9	8	0	4.10	96.2	87	45	44	11	42	108
Home	11	11	5	5	0	4.50	52.0	49	26	26	4	25	54
Road	7	7	1	3	0	4.50	34.0	35	18	17	6	13	47
Grass	18	18	6	8	0	4.50	86.0	84	44	43	10	38	101
Day	6	6	1	4	0	5.85	20.0	22	13	13	3	9	34
Night	12	12	5	4	0	4.09	66.0	62	31	30	7	29	67
As Starter	18	18	6	8	0	4.50	86.0	84	44	43	10	38	101

CAREER PITCHING STATS

Year/Team/League	Age	G	GS	W	L	SV	ERA	IP	HA	R	ER	HR	BB	K	CG	SHO	WHIP	BABIP	FIP	WAR	ERA+

CAREER MINOR LEAGUE PITCHING STATS

Year/Team/League	Age	G	GS	W	L	SV	ERA	IP	HA	R	ER	HR	BB	K	CG	SHO	WHIP	BABIP	FIP	WAR	ERA+
2019 Total - A-	21	12	12	0	2	0	4.50	22.0	24	12	11	2	12	31	0	0	1.64	.415	3.61	0.4	89
2021 Boston (FCL) - R	23	4	4	0	0	0	3.21	14.0	12	6	5	2	3	18	0	0	1.07	.312	3.34	0.3	127
2021 Total - A-	23	12	12	1	4	0	6.91	41.2	53	41	32	2	15	41	0	0	1.63	.381	3.08	1.1	58
2022 Greenville - A+	24	28	5	2	4	1	5.79	60.2	58	41	39	6	29	73	0	0	1.43	.342	3.91	0.6	70
2022 Portland - AA	24	6	0	3	0	0	0.84	10.2	3	1	1	1	4	7	0	0	0.66	.083	4.51	-0.0	473
2023 Worcester - AAA	25	45	0	5	2	20	7.09	59.2	61	47	47	18	44	80	0	0	1.76	.326	6.98	-1.5	67
2024 Worcester - AAA	26	45	0	9	1	1	3.30	62.2	56	23	23	5	29	55	0	0	1.36	.302	4.40	0.8	158
2025 Portland - AA	27	18	18	6	8	0	4.50	86.0	84	44	43	10	38	101	0	0	1.42	.335	4.43	1.4	104
2025 Worcester - AAA	27	7	0	2	0	0	2.87	15.2	8	6	5	0	8	17	0	0	1.02	.211	3.30	0.4	177
Total IL		97	0	16	3	21	4.89	138.0	125	76	75	23	81	152	0	0	1.49	.301	5.39		100.7
Total EL		24	18	9	8	0	4.10	96.2	87	45	44	11	42	108	0	0	1.33	.310	4.44		114.0
Total SAL		28	5	2	4	1	5.79	60.2	58	41	39	6	29	73	0	0	1.43	.342	3.91		69.5
Total NYP		24	24	1	6	0	6.08	63.2	77	53	43	4	27	72	0	0	1.63	.390	3.26		65.8
Total FCL		4	4	0	0	0	3.21	14.0	12	6	5	2	3	18	0	0	1.07	.312	3.34		127.2

CAREER FIELDING STATS

Year/Team/League	POS	G	GS	PO	A	DP	TC	E	PCT	INN	RNG	ZR	EFF	PB	RSTA	RTO	RTO%
2024 Worcester - AAA	P	44	0	3	4	0	7	0	1.000	62.2	1.01	+0.3	1.242
2025 Worcester - AAA	P	7	0	2	0	0	2	0	1.000	15.2	1.15	0.0	.000
2025 Portland - AA	P	17	17	2	6	1	8	0	1.000	86.0	0.84	-0.3	1.407
TOTAL	P	68	17	7	10	1	17	0	1.000	164.1	0.93	-0.0	1.336

PLAYER HISTORY

06/05/2015	Drafted by the Milwaukee Brewers in the 22nd round of the 2015 MLB June Amateur Draft from Wichita State University (Wichita, KS).
06/09/2016	Drafted by the Tampa Bay Rays in the 37th round (1110th) of the 2016 MLB June Amateur Draft from Seaman HS (Topeka, KS)
06/04/2019	Drafted by the Boston Red Sox in the 3rd round of the 2019 MLB June Amateur Draft from University of Kansas (Lawrence, KS).
05/01/2023	Wins the IL Pitcher of the Month Award.
06/15/2023	Injured on 06/14/2023, diagnosed with shoulder inflammation, will miss 6 weeks.
08/10/2023	Injured (mild oblique strain),day-to-day for 5 days.
01/01/2024	OSA scouting updated ratings (potential): Stuff: 60 (60); Movement: 35 (35); Control: 40 (45).
01/01/2025	OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 45 (45); Control: 45 (45).
01/01/2025	OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 45 (45); Control: 45 (45).
05/21/2025	Injured (herniated disc (back)),out for 4 weeks.
06/19/2025	Injured (sore ankle),day-to-day for 2 days.
07/13/2025	Suspended 6 games after ejection following a brawl.

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