MLB Data Hub - DailyAmbush

Data Hub Home | Custom Reports | MLB DFS Dashboard

Mason Montgomery

Tampa Bay Rays · RP Throws: L Bats: L Height: 6'2 Weight: 205 Born: )

Percentile Ranks
vs LHH
vs RHH K%
93.9
92.4 xWOBA
0.313 · 75%
0.344 · 26%
xSLG
91.9
51.0

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		57	0	1-3	46.0	5.67	1.65	30.1%	0.0%	12.9%	.249	.402	.332	.153	9.3%	33.9%	39%	45%	25%	25%	52%	29%	48%	52%	2.9	1.6	2.7	1.9	3.8	0.3
2024		9	0	0-0	9.2	1.86	1.20	45.9%	0.0%	13.5%	.204	.343	.295	.139	13.3%	40.0%	60%	60%	27%	13%	49%	40%	51%	65%	0.0	0.0	0.0	0.0	0.0	0.0

2025

Box Score														Pitch Usage/Velo				DFS
#	Date		Opp	IP	BF	PC	H	HR	ER	BB	SO	SwStr	CSW%	FF		SL		Rating	DK $	DK	FD $	FD
1	2025	Sep, 10	@CWS	0.2	8	32	5	0	5	1	1	5	37.5						n/a	-10.10	n/a	-10
2	2025	Sep, 09	@CWS	0.1	3	8	2	0	1	0	1	2	37.5						n/a	-0.45	n/a	1
3	2025	Sep, 07	CLE	1.0	3	17	0	0	0	0	3	4	35.3						n/a	8.25	n/a	12
4	2025	Sep, 05	CLE	1.0	4	17	1	0	0	0	1	2	35.3						n/a	3.65	n/a	6
5	2025	Aug, 31	@WSH	1.0	4	21	0	0	0	1	3	2	33.3						n/a	7.65	n/a	12
6	2025	Aug, 26	@CLE	1.0	3	9	0	0	0	1	0	0	22.2						n/a	1.65	n/a	3
7	2025	Aug, 24	STL	0.2	5	28	1	0	0	1	2	5	32.1						n/a	4.30	n/a	8
8	2025	Aug, 17	@SF	0.1	1	4	0	0	0	0	1	2	75.0						n/a	2.75	n/a	4
9	2025	Aug, 16	@SF	0.2	4	22	1	0	1	1	1	2	27.3	72.7%	100.8	27.3%	92.0		n/a	0.30	n/a	2
10	2025	Aug, 12	@ATH	1.0	5	18	2	0	1	1	0	1	16.7	83.3%	99.1	16.7%	91.2		n/a	-1.55	n/a	0
11	2025	Aug, 09	@SEA	1.2	6	27	1	0	0	0	3	5	25.9	77.8%	100.3	22.2%	90.8		n/a	9.15	n/a	14
12	2025	Aug, 01	LAD	1.0	3	15	0	0	0	0	2	4	53.3	66.7%	100.1	33.3%	91.2		n/a	6.25	n/a	9
13	2025	Jul, 31	@NYY	0.2	1	7	0	0	0	0	0	0	0.0						n/a	1.50	n/a	2
14	2025	Jul, 29	@NYY	0.2	5	21	1	0	0	2	1	2	28.6						n/a	1.70	n/a	5
15	2025	Jul, 27	@CIN	1.0	3	12	0	0	0	0	2	4	66.7						n/a	6.25	n/a	9
16	2025	Jul, 06	@MIN	0.1	4	23	1	1	2	2	1	2	17.4	78.3%	99.9	21.7%	90.8		n/a	-3.05	n/a	-2
17	2025	Jul, 05	@MIN	1.0	5	17	1	0	0	1	1	2	23.5	88.2%	99.8	11.8%	91.7		n/a	3.05	n/a	6
18	2025	Jul, 01	ATH	1.0	3	15	0	0	0	1	0	2	20.0	53.3%	99.2	40.0%	90.2		n/a	1.65	n/a	3
19	2025	Jun, 30	ATH	0.1	2	7	0	0	0	1	0	2	28.6						n/a	0.15	n/a	1
20	2025	Jun, 27	@BAL	1.1	6	24	1	0	1	1	2	6	29.2						n/a	3.80	n/a	7

2024

Box Score														Pitch Usage/Velo				DFS
#	Date		Opp	IP	BF	PC	H	HR	ER	BB	SO	SwStr	CSW%	FF		SL		Rating	DK $	DK	FD $	FD

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%	59%	.268	.382	19.5	26.8	.356	.100	0	71%	.274	.382	28.3	17.4	.451	.178	3
Slider	Breaking	89.7 MPH	2571	43%	41%	.193	.239	41.0	0.0	.384	.132	1	29%	.241	.252	35.1	0.0	.361	.194	2

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%	69%	.191	.321	37.5	25.0	.269	.167	0	75%	.250	.404	30.8	15.4	.583	.091	0
Slider	Breaking	88.6 MPH	2518	56%	31%	.125	.114	66.7	0.0	.136	.000	0	25%	.209	.243	60.0	10.0	.237	.111	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	80	.226	.313	.371	.118	30.0%	13.8%	1	129	.263	.344	.421	.183	30.2%	12.4%	5
2024	14	.158	.232	.202	.083	50.0%	14.3%	0	23	.231	.334	.427	.100	43.5%	13.0%	0

	Home								Road
Season	PA	xAVG	xWOBA	K%	BB%	xSLG	ISO	HR	PA	xAVG	xWOBA	K%	BB%	xSLG	ISO	HR
2025	121	.242	.301	28.9%	9.1%	.367	.104	2	88	.259	.375	31.8%	18.2%	.455	.239	4
2024	8	.338	.457	25.0%	12.5%	.658	.143	0	29	.166	.251	51.7%	13.8%	.255	.080	0

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	2.43	1.86	3.63	0.00	2.35	0.75	4.88	0.00	2.35	3.08	-0.22
Home	3.08	3.13	3.03	0.00	4.08	0.00	4.16	0.00	0.00	3.63	2.52