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Jack Kochanowicz

Los Angeles Angels · SP Throws: R Bats: L Height: 6'7 Weight: 228 Born: )

Percentile Ranks
vs LHH
vs RHH K%
23.5
19.1 xWOBA
0.368 · 32%
0.337 · 28%
xSLG
38.2
74.5

Year	Team	G	GS	W-L	IP	ERA	WHIP	K%	CSW%	BB%	xAVG	xSLG	xwOBA	xISO	BAR%	SS%	HH%	GB%	LD%	FB%	Z%	Z Sw%	OZ%	OZ Sw%	Apr	May	Jun	Jul	Aug	Sep
2025		17	17	3-8	86.0	5.44	1.56	16.2%	0.0%	10.6%	.277	.444	.356	.167	8.9%	25.3%	46%	52%	18%	26%	49%	13%	51%	44%	6.8	11.7	6.4	0.0	0.0	0.0
2024		11	11	2-6	65.1	3.99	1.20	9.4%	0.0%	3.8%	.288	.448	.341	.159	6.3%	29.1%	44%	57%	23%	15%	57%	12%	43%	28%	0.0	0.0	0.0	-3.2	12.1	11.7

2025

Box Score														Pitch Usage/Velo										DFS
#	Date		Opp	IP	BF	PC	H	HR	ER	BB	SO	SwStr	CSW%	SI		SL		ST		CH		FF		Rating	DK $	DK	FD $	FD
1	2025	Jun, 29	WSH	4.0	18	63	5	0	2	2	2	4	20.6											52.30	n/a	4.80	n/a	12
2	2025	Jun, 23	BOS	5.0	21	84	6	0	4	2	1	12	27.4											53.90	n/a	0.45	n/a	6
3	2025	Jun, 18	@NYY	5.1	20	90	2	2	2	3	8	9	30.0											51.10	n/a	21.00	n/a	34
4	2025	Jun, 13	@BAL	4.1	16	53	4	2	2	0	2	4	22.6	62.3%	2.8	15.1%	-11.7			17.0%	-4.1	5.7%	0.9	48.70	n/a	7.35	n/a	13
5	2025	Jun, 07	SEA	3.1	18	75	9	1	4	1	4	7	29.3	41.3%	-13.1	20.0%	-0.5	1.3%	5.6	18.7%	3.5	18.7%	0.0	56.20	n/a	1.50	n/a	10
6	2025	Jun, 01	@CLE	3.2	19	84	5	1	4	3	4	8	21.4	46.4%	-4.9	15.5%	-4.2	7.1%	-11.4	21.4%	3.0	9.5%	2.3	47.50	n/a	3.45	n/a	11
7	2025	May, 26	NYY	6.2	28	92	5	0	4	2	5	12	23.9	53.3%	2.2	4.3%	1.3	18.5%	3.2	14.1%	2.8	9.8%	-31.6	76.30	n/a	12.80	n/a	23
8	2025	May, 21	@ATH	4.0	25	99	6	2	3	5	6	11	23.2	50.5%	0.2	16.2%	-3.1	10.1%	9.4	14.1%	-19.9	9.1%	-1.3	50.10	n/a	8.40	n/a	21
9	2025	May, 16	@LAD	6.2	25	104	5	0	1	4	5	9	26.0	43.3%	3.2	6.7%	-1.1	10.6%	0.6	25.0%	2.0	14.4%	-1.3	38.70	5,000	21.60	7,000	42
10	2025	May, 10	BAL	5.2	23	95	4	0	1	4	4	4	23.2	43.2%	1.7	14.7%	0.0	2.1%	5.8	9.5%	1.3	30.5%	1.6	55.00	n/a	17.95	n/a	32
11	2025	May, 04	DET	5.0	23	77	7	1	5	2	1	7	19.5	28.6%	-6.9	13.0%	6.4	14.3%	-9.2	19.5%	1.0	24.7%	-4.0	51.80	n/a	-2.15	n/a	3
12	2025	Apr, 29	@SEA	6.0	26	91	4	1	3	4	6	9	27.5	48.4%	95.0	5.5%	85.8	14.3%	83.2	7.7%	88.0	24.2%	94.6	34.50	n/a	14.70	n/a	31
13	2025	Apr, 23	PIT	6.0	25	81	8	1	2	1	3	10	29.6	46.9%	95.7	27.2%	88.3	7.4%	85.4			18.5%	96.4	63.40	6,300	10.10	6,800	25
14	2025	Apr, 17	@TEX	4.2	23	72	8	1	4	1	1	6	13.9	43.1%	95.7	25.0%	88.0	2.8%	84.2			29.2%	94.8	38.00	n/a	-0.90	n/a	5
15	2025	Apr, 11	@HOU	4.2	23	86	6	0	6	3	1	3	19.8	67.4%	96.0	11.6%	88.0	7.0%	83.6			14.0%	96.2	69.00	n/a	-4.90	n/a	-1
16	2025	Apr, 05	CLE	5.0	22	79	4	2	2	3	4	5	17.7	48.1%	95.6	26.6%	88.0	5.1%	84.2			20.3%	96.2	50.30	n/a	15.05	n/a	27
17	2025	Mar, 30	@CWS	6.0	21	64	4	1	2	0	4	9	26.6											56.60	6,500	15.10	7,400	28

2024

Box Score														Pitch Usage/Velo										DFS
#	Date		Opp	IP	BF	PC	H	HR	ER	BB	SO	SwStr	CSW%	SI		SL		ST		CH		FF		Rating	DK $	DK	FD $	FD
18	2024	Sep, 29	TEX	7.0	29	77	6	0	3	1	1	3	15.6	84.4%	96.1	3.9%	83.3	1.3%	84.8			10.4%	96.8	48.60	n/a	7.55	n/a	19
19	2024	Sep, 24	@CWS	7.0	23	82	3	0	0	0	4	8	20.7	73.2%	96.2	12.2%	84.0	2.4%	84.3	2.4%	87.5	9.8%	96.4	60.00	6,000	21.95	7,000	37
20	2024	Sep, 18	CWS	7.0	26	79	5	1	1	0	5	8	26.6	70.9%	96.1	5.1%	82.6	5.1%	82.4	2.5%	89.5	16.5%	96.3	57.20	n/a	20.75	n/a	37
21	2024	Sep, 11	@MIN	5.2	25	69	7	1	4	1	3	7	24.6	69.6%	97.6	4.3%	85.9	5.8%	82.7	1.4%	91.2	17.4%	97.5	42.80	5,500	5.95	6,200	14
22	2024	Sep, 05	@TEX	6.0	26	93	8	1	3	1	0	6	23.7	79.6%	95.3	12.9%	84.7	6.5%	82.5			1.1%	94.1	43.00	5,900	2.10	6,800	13
23	2024	Aug, 29	@DET	6.0	22	73	5	0	0	0	4	4	17.8	79.5%	95.8	12.3%	86.1	6.8%	82.3			1.4%	95.9	41.40	n/a	22.50	n/a	40
24	2024	Aug, 23	@TOR	6.0	25	74	7	0	3	0	1	5	24.3	79.7%	96.1	12.2%	85.0			1.4%	88.9	6.8%	96.7	37.60	n/a	5.30	n/a	16
25	2024	Aug, 18	ATL	6.0	26	85	7	1	2	3	0	6	22.4	77.6%	96.4	14.1%	86.3	4.7%	85.4	1.2%	87.1	1.2%	95.7	44.30	n/a	3.50	n/a	16
26	2024	Aug, 11	@WSH	7.2	29	93	6	1	2	1	2	4	18.3	73.1%	96.5	19.4%	85.8	4.3%	85.2	2.2%	86.7	1.1%	93.4	45.50	n/a	17.05	n/a	33
27	2024	Jul, 20	@OAK	4.0	19	74	7	1	7	3	4	7	24.3	48.6%	96.0	33.8%	86.1	1.4%	85.8	16.2%	88.5			49.70	n/a	-3.00	n/a	3
28	2024	Jul, 11	SEA	3.0	16	60	7	1	4	0	1	4	23.3	53.3%	96.4	26.7%	87.0	10.0%	85.9	6.7%	90.5	3.3%	96.1	85.70	n/a	-3.45	n/a	0

2025 Splits				vs LHB									vs RHB
Pitch	Type	MPH	SPIN	Whiff%	Usage	xBAVG	xWOBA	K%	BB%	xSLG	ISO	HR	Usage	xBAVG	xWOBA	K%	BB%	xSLG	ISO	HR
4-Seamer	Fastball	MPH		0%	39%	.233	.349	23.9	15.2	.447	.179	2	29%	.263	.397	33.3	19.0	.513	.059	0
Slider	Breaking	87.3 MPH	2728	27%	23%	.428	.515	9.5	14.3	.779	.412	2	43%	.310	.367	12.5	12.5	.349	.000	0
Sweeper	Breaking	MPH		30%	6%	.475	.664	0.0	0.0	1.062	.250	0	21%	.125	.197	26.7	6.7	.143	.077	0
Changeup	Offspeed	89.8 MPH	2109	31%	32%	.216	.272	27.9	4.7	.375	.220	3	7%	.241	.482	75.0	0.0	.944	.750	1

2024 Splits				vs LHB									vs RHB
Pitch	Type	MPH	SPIN	Whiff%	Usage	xBAVG	xWOBA	K%	BB%	xSLG	ISO	HR	Usage	xBAVG	xWOBA	K%	BB%	xSLG	ISO	HR
4-Seamer	Fastball	MPH		0%	31%	.105	.194	45.5	0.0	.233	.100	0	11%	.139	.217	50.0	0.0	.382	.000	0
Slider	Breaking	85.4 MPH	2725	27%	40%	.244	.401	16.7	0.0	.314	.000	0	66%	.239	.254	28.6	0.0	.347	.143	1
Sweeper	Breaking	MPH		15%	11%	.011	.365	0.0	0.0	.013	.000	0	21%	.454	.691	0.0	0.0	1.227	.750	1
Changeup	Offspeed	88.2 MPH	2058	7%	18%	.345	.347	12.5	0.0	.457	.125	0	2%	.000	.000	0.0	0.0	.000	.000	0

2023 Splits				vs LHB									vs RHB
Pitch	Type	MPH	SPIN	Whiff%	Usage	xBAVG	xWOBA	K%	BB%	xSLG	ISO	HR	Usage	xBAVG	xWOBA	K%	BB%	xSLG	ISO	HR

Splits	vs LHB								vs RHB
Year	PA	xBAVG	xWOBA	xSLG	ISO	K%	BB%	HR	PA	xBAVG	xWOBA	xSLG	ISO	K%	BB%	HR
2025	227	.282	.368	.488	.220	15.9%	10.6%	13	147	.268	.337	.373	.080	17.0%	9.5%	2
2024	156	.322	.370	.480	.124	7.1%	2.6%	2	109	.242	.299	.401	.167	12.8%	4.6%	5

	Home								Road
Season	PA	xAVG	xWOBA	K%	BB%	xSLG	ISO	HR	PA	xAVG	xWOBA	K%	BB%	xSLG	ISO	HR
2025	47	.310	.368	24.0%	16.0%	.452	.336	0	54	.271	.356	37.0%	22.0%	.459	.286	0
2024	96	.282	.337	7.3%	3.1%	.435	.148	3	169	.292	.344	10.7%	3.6%	.454	.138	4

Split	Games	Wind 0-9 mph+	Wind 10+ mph	Humid 0-25	Humid 25-50	Humid 50-75	Humid 75-100	Temp 0-40	Temp 40-60	Temp 61-79	Temp 80+
Road	10.41	9.67	11.14	0.00	9.58	5.95	21.82	0.00	12.09	13.37	5.48
Home	6.57	6.49	7.55	0.00	4.31	0.00	0.00	0.00	-2.15	7.31	7.25