Season	Team	Level	Age	W	L	SV	G	GS	IP	K/9	BB/9	HR/9	BABIP	LOB%	GB%	HR/FB	ERA	FIP	xFIP
2017	SEA	R	20	2	3	8	25	0	29.0	11.17	2.79	0.31	.323	65.5%	50.0%	4.8%	3.41	2.57	2.45
2018	SEA	A-	21	2	0	1	19	0	32.0	12.66	2.81	1.41	.215	100.0%	29.4%	15.6%	1.69	3.90	2.88
2019	SEA	A	22	2	1	13	39	0	47.2	13.22	2.45	0.57	.227	80.5%	26.9%	6.4%	1.32	2.25	2.41
2019	SEA	A+	22	2	0	0	5	0	7.1	12.27	2.45	0.00	.214	80.0%	28.6%	0.0%	0.00	1.75	3.14
2019	SEA	MiLB	22	4	1	13	44	0	55.0	13.09	2.45	0.49	.225	80.4%	27.1%	5.4%	1.15	2.18	2.50
2020	SEA	ST	23	0	0	0	2	0	1.1	20.25	0.00	0.00	.750	66.7%	50.0%	0.0%	6.75	-0.91	0.47
2021	SEA	A+	24	1	0	1	16	1	24.0	13.50	3.00	1.50	.229	87.6%	35.3%	20.0%	2.63	4.40	3.54
2021	SEA	AA	24	2	0	3	16	0	20.0	14.85	5.40	0.90	.341	87.8%	28.6%	8.0%	2.70	3.43	4.34
2021	SEA	MiLB	24	3	0	4	32	1	44.0	14.11	4.09	1.23	.281	87.7%	32.3%	13.3%	2.66	3.96	3.90
2022	SEA	AA	25	0	1	1	33	1	32.2	11.57	4.68	0.83	.250	81.5%	25.3%	6.5%	3.03	4.22	5.47
2023	SEA	AA	26	0	1	0	41	0	50.2	10.84	6.57	0.53	.298	71.8%	30.6%	5.2%	4.62	4.78	5.79
2023	SEA	ST	26	0	0	0	2	0	1.1	6.75	13.50	0.00	.000	100.0%	0.0%	0.0%	0.00	6.81	9.48

Season	Team	Level	Age	W	L	SV	G	GS	IP	K/9	BB/9	HR/9	BABIP	LOB%	GB%	HR/FB	ERA	FIP	xFIP
2017	SEA	R	20	2	3	8	25	0	29.0	11.17	2.79	0.31	.323	65.5%	50.0%	4.8%	3.41	2.57	2.45
2018	SEA	A-	21	2	0	1	19	0	32.0	12.66	2.81	1.41	.215	100.0%	29.4%	15.6%	1.69	3.90	2.88
2019	SEA	A	22	2	1	13	39	0	47.2	13.22	2.45	0.57	.227	80.5%	26.9%	6.4%	1.32	2.25	2.41
2019	SEA	A+	22	2	0	0	5	0	7.1	12.27	2.45	0.00	.214	80.0%	28.6%	0.0%	0.00	1.75	3.14
2019	SEA	MiLB	22	4	1	13	44	0	55.0	13.09	2.45	0.49	.225	80.4%	27.1%	5.4%	1.15	2.18	2.50
2020	SEA	ST	23	0	0	0	2	0	1.1	20.25	0.00	0.00	.750	66.7%	50.0%	0.0%	6.75	-0.91	0.47
2021	SEA	A+	24	1	0	1	16	1	24.0	13.50	3.00	1.50	.229	87.6%	35.3%	20.0%	2.63	4.40	3.54
2021	SEA	AA	24	2	0	3	16	0	20.0	14.85	5.40	0.90	.341	87.8%	28.6%	8.0%	2.70	3.43	4.34
2021	SEA	MiLB	24	3	0	4	32	1	44.0	14.11	4.09	1.23	.281	87.7%	32.3%	13.3%	2.66	3.96	3.90
2022	SEA	AA	25	0	1	1	33	1	32.2	11.57	4.68	0.83	.250	81.5%	25.3%	6.5%	3.03	4.22	5.47
2023	SEA	AA	26	0	1	0	41	0	50.2	10.84	6.57	0.53	.298	71.8%	30.6%	5.2%	4.62	4.78	5.79
2023	SEA	ST	26	0	0	0	2	0	1.1	6.75	13.50	0.00	.000	100.0%	0.0%	0.0%	0.00	6.81	9.48

Minor LeaguesSpring Training

Season	Team	Level	W	L	ERA	G	GS	SV	HLD	BS	IP	TBF	H	R	ER	HR	BB	IBB	HBP	WP	BK	SO
2017	SEA	R	2	3	3.41	25	0	8	0	1	29.0	115	22	13	11	1	9	2	4	5	1	36
2018	SEA	A-	2	0	1.69	19	0	1	5	0	32.0	127	19	6	6	5	10	0	2	2	2	45
2019	SEA	A	2	1	1.32	39	0	13	2	1	47.2	184	25	11	7	3	13	0	1	2	1	70
2019	SEA	A+	2	0	0.00	5	0	0	0	0	7.1	26	3	1	0	0	2	0	0	0	0	10
2019	SEA	MiLB	4	1	1.15	44	0	13	2	1	55.0	210	28	12	7	3	15	0	1	2	1	80
2020	SEA	ST	0	0	6.75	2	0	0	0	1	1.1	7	3	1	1	0	0	0	0	0	0	3
2021	SEA	A+	1	0	2.63	16	1	1	2	0	24.0	98	15	8	7	4	8	0	2	0	0	36
2021	SEA	AA	2	0	2.70	16	0	3	0	0	20.0	89	16	6	6	2	12	0	1	2	0	33
2021	SEA	MiLB	3	0	2.66	32	1	4	2	0	44.0	187	31	14	13	6	20	0	3	2	0	69
2022	SEA	AA	0	1	3.03	33	1	1	3	0	32.2	137	21	11	11	3	17	0	3	2	0	42
2023	SEA	AA	0	1	4.62	41	0	0	4	2	50.2	231	39	27	26	3	37	0	9	5	0	61
2023	SEA	ST	0	0	0.00	2	0	0	0	0	1.1	6	0	0	0	0	2	0	0	1	0	1

Season	Team	Level	W	L	ERA	G	GS	SV	HLD	BS	IP	TBF	H	R	ER	HR	BB	IBB	HBP	WP	BK	SO
2017	SEA	R	2	3	3.41	25	0	8	0	1	29.0	115	22	13	11	1	9	2	4	5	1	36
2018	SEA	A-	2	0	1.69	19	0	1	5	0	32.0	127	19	6	6	5	10	0	2	2	2	45
2019	SEA	A	2	1	1.32	39	0	13	2	1	47.2	184	25	11	7	3	13	0	1	2	1	70
2019	SEA	A+	2	0	0.00	5	0	0	0	0	7.1	26	3	1	0	0	2	0	0	0	0	10
2019	SEA	MiLB	4	1	1.15	44	0	13	2	1	55.0	210	28	12	7	3	15	0	1	2	1	80
2020	SEA	ST	0	0	6.75	2	0	0	0	1	1.1	7	3	1	1	0	0	0	0	0	0	3
2021	SEA	A+	1	0	2.63	16	1	1	2	0	24.0	98	15	8	7	4	8	0	2	0	0	36
2021	SEA	AA	2	0	2.70	16	0	3	0	0	20.0	89	16	6	6	2	12	0	1	2	0	33
2021	SEA	MiLB	3	0	2.66	32	1	4	2	0	44.0	187	31	14	13	6	20	0	3	2	0	69
2022	SEA	AA	0	1	3.03	33	1	1	3	0	32.2	137	21	11	11	3	17	0	3	2	0	42
2023	SEA	AA	0	1	4.62	41	0	0	4	2	50.2	231	39	27	26	3	37	0	9	5	0	61
2023	SEA	ST	0	0	0.00	2	0	0	0	0	1.1	6	0	0	0	0	2	0	0	1	0	1

Minor LeaguesSpring TrainingAverages

Season	Team	Level	K/9	BB/9	K/BB	HR/9	K%	BB%	K-BB%	AVG	WHIP	BABIP	LOB%	ERA-	FIP-	FIP
2017	SEA	R	11.17	2.79	4.00	0.31	31.3%	7.8%	23.5%	.216	1.07	.323	65.5%	92	69	2.57
2018	SEA	A-	12.66	2.81	4.50	1.41	35.4%	7.9%	27.6%	.165	0.91	.215	100.0%	41	95	3.90
2019	SEA	A	13.22	2.45	5.38	0.57	38.0%	7.1%	31.0%	.147	0.80	.227	80.5%	36	61	2.25
2019	SEA	A+	12.27	2.45	5.00	0.00	38.5%	7.7%	30.8%	.125	0.68	.214	80.0%	0	45	1.75
2019	SEA	MiLB	13.09	2.45	5.33	0.49	38.1%	7.1%	31.0%	.144	0.78	.225	80.4%	31	59	2.18
2020	SEA	ST	20.25	0.00	3.00	0.00	42.9%	0.0%	42.9%	.429	2.25	.750	66.7%	148	-20	-0.91
2021	SEA	A+	13.50	3.00	4.50	1.50	36.7%	8.2%	28.6%	.170	0.96	.229	87.6%	53	89	4.40
2021	SEA	AA	14.85	5.40	2.75	0.90	37.1%	13.5%	23.6%	.211	1.40	.341	87.8%	67	82	3.43
2021	SEA	MiLB	14.11	4.09	3.45	1.23	36.9%	10.7%	26.2%	.189	1.16	.281	87.7%	59	86	3.96
2022	SEA	AA	11.57	4.68	2.47	0.83	30.7%	12.4%	18.2%	.179	1.16	.250	81.5%	67	89	4.22
2023	SEA	AA	10.84	6.57	1.65	0.53	26.4%	16.0%	10.4%	.211	1.50	.298	71.8%	109	108	4.78
2023	SEA	ST	6.75	13.50	0.50	0.00	16.7%	33.3%	-16.7%	.000	1.50	.000	100.0%	0	143	6.81

Season	Team	Level	K/9	BB/9	K/BB	HR/9	K%	BB%	K-BB%	AVG	WHIP	BABIP	LOB%	ERA-	FIP-	FIP
2017	SEA	R	11.17	2.79	4.00	0.31	31.3%	7.8%	23.5%	.216	1.07	.323	65.5%	92	69	2.57
2018	SEA	A-	12.66	2.81	4.50	1.41	35.4%	7.9%	27.6%	.165	0.91	.215	100.0%	41	95	3.90
2019	SEA	A	13.22	2.45	5.38	0.57	38.0%	7.1%	31.0%	.147	0.80	.227	80.5%	36	61	2.25
2019	SEA	A+	12.27	2.45	5.00	0.00	38.5%	7.7%	30.8%	.125	0.68	.214	80.0%	0	45	1.75
2019	SEA	MiLB	13.09	2.45	5.33	0.49	38.1%	7.1%	31.0%	.144	0.78	.225	80.4%	31	59	2.18
2020	SEA	ST	20.25	0.00	3.00	0.00	42.9%	0.0%	42.9%	.429	2.25	.750	66.7%	148	-20	-0.91
2021	SEA	A+	13.50	3.00	4.50	1.50	36.7%	8.2%	28.6%	.170	0.96	.229	87.6%	53	89	4.40
2021	SEA	AA	14.85	5.40	2.75	0.90	37.1%	13.5%	23.6%	.211	1.40	.341	87.8%	67	82	3.43
2021	SEA	MiLB	14.11	4.09	3.45	1.23	36.9%	10.7%	26.2%	.189	1.16	.281	87.7%	59	86	3.96
2022	SEA	AA	11.57	4.68	2.47	0.83	30.7%	12.4%	18.2%	.179	1.16	.250	81.5%	67	89	4.22
2023	SEA	AA	10.84	6.57	1.65	0.53	26.4%	16.0%	10.4%	.211	1.50	.298	71.8%	109	108	4.78
2023	SEA	ST	6.75	13.50	0.50	0.00	16.7%	33.3%	-16.7%	.000	1.50	.000	100.0%	0	143	6.81

Minor LeaguesSpring Training

Season	Team	Level	GB/FB	LD%	GB%	FB%	IFFB%	HR/FB	Pull%	Cent%	Oppo%	xFIP-	xFIP
2017	SEA	R	1.48	16.1%	50.0%	33.9%	23.8%	4.8%	43.8%	25.0%	31.3%	67	2.45
2018	SEA	A-	0.63	23.5%	29.4%	47.1%	18.8%	15.6%	41.4%	34.3%	24.3%	73	2.88
2019	SEA	A	0.53	22.6%	26.9%	50.5%	38.3%	6.4%	35.0%	26.0%	39.0%	65	2.41
2019	SEA	A+	0.44	7.1%	28.6%	64.3%	55.6%	0.0%	28.6%	14.3%	57.1%	77	3.14
2019	SEA	MiLB	0.52	20.6%	27.1%	52.3%	41.1%	5.4%	34.2%	24.6%	41.2%	66	2.50
2020	SEA	ST	2.00	25.0%	50.0%	25.0%	0.0%	0.0%	25.0%	0.0%	75.0%	10	0.47
2021	SEA	A+	0.90	25.5%	35.3%	39.2%	25.0%	20.0%	53.8%	25.0%	21.2%	75	3.54
2021	SEA	AA	0.48	11.9%	28.6%	59.5%	40.0%	8.0%	34.9%	32.6%	32.6%	95	4.34
2021	SEA	MiLB	0.67	19.4%	32.3%	48.4%	33.3%	13.3%	45.3%	28.4%	26.3%	84	3.90
2022	SEA	AA	0.41	13.3%	25.3%	61.3%	26.1%	6.5%	41.3%	32.0%	26.7%	107	5.47
2023	SEA	AA	0.66	22.6%	30.6%	46.8%	36.2%	5.2%	46.8%	21.0%	32.3%	121	5.79
2023	SEA	ST	0.00	33.3%	0.0%	66.7%	50.0%	0.0%	0.0%	33.3%	66.7%	197	9.48

Season	Team	Level	GB/FB	LD%	GB%	FB%	IFFB%	HR/FB	Pull%	Cent%	Oppo%	xFIP-	xFIP
2017	SEA	R	1.48	16.1%	50.0%	33.9%	23.8%	4.8%	43.8%	25.0%	31.3%	67	2.45
2018	SEA	A-	0.63	23.5%	29.4%	47.1%	18.8%	15.6%	41.4%	34.3%	24.3%	73	2.88
2019	SEA	A	0.53	22.6%	26.9%	50.5%	38.3%	6.4%	35.0%	26.0%	39.0%	65	2.41
2019	SEA	A+	0.44	7.1%	28.6%	64.3%	55.6%	0.0%	28.6%	14.3%	57.1%	77	3.14
2019	SEA	MiLB	0.52	20.6%	27.1%	52.3%	41.1%	5.4%	34.2%	24.6%	41.2%	66	2.50
2020	SEA	ST	2.00	25.0%	50.0%	25.0%	0.0%	0.0%	25.0%	0.0%	75.0%	10	0.47
2021	SEA	A+	0.90	25.5%	35.3%	39.2%	25.0%	20.0%	53.8%	25.0%	21.2%	75	3.54
2021	SEA	AA	0.48	11.9%	28.6%	59.5%	40.0%	8.0%	34.9%	32.6%	32.6%	95	4.34
2021	SEA	MiLB	0.67	19.4%	32.3%	48.4%	33.3%	13.3%	45.3%	28.4%	26.3%	84	3.90
2022	SEA	AA	0.41	13.3%	25.3%	61.3%	26.1%	6.5%	41.3%	32.0%	26.7%	107	5.47
2023	SEA	AA	0.66	22.6%	30.6%	46.8%	36.2%	5.2%	46.8%	21.0%	32.3%	121	5.79
2023	SEA	ST	0.00	33.3%	0.0%	66.7%	50.0%	0.0%	0.0%	33.3%	66.7%	197	9.48

Minor LeaguesSpring Training

Season	Team	Level	GB	FB	LD	IFFB	Balls	Strikes	Pitches
2017	SEA	R	31	21	10	5	51	166	217
2018	SEA	A-	20	32	16	6	174	331	505
2019	SEA	A	25	47	21	18	285	504	789
2019	SEA	A+	4	9	1	5	34	80	114
2019	SEA	MiLB	29	56	22	23	319	584	903
2020	SEA	ST	2	1	1	0	0	14	14
2021	SEA	A+	18	20	13	5	145	262	407
2021	SEA	AA	12	25	5	10	142	249	391
2021	SEA	MiLB	30	45	18	15	287	511	798
2022	SEA	AA	19	46	10	12	211	362	573
2023	SEA	AA	38	58	28	21	431	588	1019
2023	SEA	ST	0	2	1	1	10	8	18

Season	Team	Level	GB	FB	LD	IFFB	Balls	Strikes	Pitches
2017	SEA	R	31	21	10	5	51	166	217
2018	SEA	A-	20	32	16	6	174	331	505
2019	SEA	A	25	47	21	18	285	504	789
2019	SEA	A+	4	9	1	5	34	80	114
2019	SEA	MiLB	29	56	22	23	319	584	903
2020	SEA	ST	2	1	1	0	0	14	14
2021	SEA	A+	18	20	13	5	145	262	407
2021	SEA	AA	12	25	5	10	142	249	391
2021	SEA	MiLB	30	45	18	15	287	511	798
2022	SEA	AA	19	46	10	12	211	362	573
2023	SEA	AA	38	58	28	21	431	588	1019
2023	SEA	ST	0	2	1	1	10	8	18

MLB F-Strike%, SwStr%, CStr%, CSW% are from the Sports Info Solution data source.
All MiLB and Pace data are from Statcast.

Minor LeaguesSpring TrainingAverages

Season	Team	Level	Swing%	Contact%	F-Strike%	SwStr%	CStr%	CSW%
2017	SEA	R	75.1%	39.3%	27.0%	45.6%	1.4%	47.0%
2018	SEA	A-	49.1%	64.1%	54.3%	17.6%	16.0%	33.7%
2019	SEA	A	47.9%	70.6%	48.4%	14.1%	16.0%	30.0%
2019	SEA	A+	57.0%	75.4%	42.3%	14.0%	12.3%	26.3%
2019	SEA	MiLB	49.1%	71.3%	47.6%	14.1%	15.5%	29.6%
2020	SEA	ST	92.9%	53.8%	57.1%	42.9%	7.1%	50.0%
2021	SEA	A+	47.9%	65.1%	51.0%	16.7%	16.5%	33.2%
2021	SEA	AA	51.4%	66.2%	48.3%	17.4%	12.3%	29.7%
2021	SEA	MiLB	49.6%	65.7%	49.7%	17.0%	14.4%	31.5%
2022	SEA	AA	48.3%	69.7%	56.9%	14.7%	14.7%	29.3%
2023	SEA	AA	42.2%	68.8%	45.5%	13.2%	15.3%	28.5%
2023	SEA	ST	33.3%	66.7%	16.7%	11.1%	11.1%	22.2%

Season	Team	Level	Swing%	Contact%	F-Strike%	SwStr%	CStr%	CSW%
2017	SEA	R	75.1%	39.3%	27.0%	45.6%	1.4%	47.0%
2018	SEA	A-	49.1%	64.1%	54.3%	17.6%	16.0%	33.7%
2019	SEA	A	47.9%	70.6%	48.4%	14.1%	16.0%	30.0%
2019	SEA	A+	57.0%	75.4%	42.3%	14.0%	12.3%	26.3%
2019	SEA	MiLB	49.1%	71.3%	47.6%	14.1%	15.5%	29.6%
2020	SEA	ST	92.9%	53.8%	57.1%	42.9%	7.1%	50.0%
2021	SEA	A+	47.9%	65.1%	51.0%	16.7%	16.5%	33.2%
2021	SEA	AA	51.4%	66.2%	48.3%	17.4%	12.3%	29.7%
2021	SEA	MiLB	49.6%	65.7%	49.7%	17.0%	14.4%	31.5%
2022	SEA	AA	48.3%	69.7%	56.9%	14.7%	14.7%	29.3%
2023	SEA	AA	42.2%	68.8%	45.5%	13.2%	15.3%	28.5%
2023	SEA	ST	33.3%	66.7%	16.7%	11.1%	11.1%	22.2%

Minor LeaguesSpring Training

Season	Team	Level	Pos	G	GS	Inn	PO	A	E	DP
2017	SEA	R	P	25	0	29.0	1	5	0	0
2018	SEA	A-	P	19	0	32.0	2	5	1	1
2019	SEA	A	P	39	0	47.2	2	6	1	0
2019	SEA	A+	P	5	0	7.1	0	0	1	0
2021	SEA	A+	P	16	1	24.0	0	2	0	0
2021	SEA	AA	P	16	0	20.0	1	0	0	0
2022	SEA	AA	P	33	1	32.2	4	0	0	0
2023	SEA	AA	P	41	0	50.2	2	1	0	0

Season	Team	Level	Pos	G	GS	Inn	PO	A	E	DP
2017	SEA	R	P	25	0	29.0	1	5	0	0
2018	SEA	A-	P	19	0	32.0	2	5	1	1
2019	SEA	A	P	39	0	47.2	2	6	1	0
2019	SEA	A+	P	5	0	7.1	0	0	1	0
2021	SEA	A+	P	16	1	24.0	0	2	0	0
2021	SEA	AA	P	16	0	20.0	1	0	0	0
2022	SEA	AA	P	33	1	32.2	4	0	0	0
2023	SEA	AA	P	41	0	50.2	2	1	0	0

Dayeison Arias

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Fielding

BAL	CHW	ATH
BOS	CLE	HOU
NYY	DET	LAA
TBR	KCR	SEA
TOR	MIN	TEX

ATL	CHC	ARI
MIA	CIN	COL
NYM	MIL	LAD
PHI	PIT	SDP
WSN	STL	SFG