Detail: Isaac Mattson

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Detail: Isaac Mattson

Team	Pirates	Position	RP	Depth	3rd at RP
Height	6-2	Weight	215	Birthday	1995-07-14	Age	30.1
Bats	R	Throws	R	Roto Transactions
Roto Status	Free Agent	Pro Status	Active

Statistics

Year	Team	G	IP	H	K	BB	ER	Win	Sav	Hld	S+H	WHIP	ERA
2025	Pirates	22	25.33	17	30	8	6	3	0	3	3	0.987	2.13
2024	Pirates	3	5.33	1	6	5	3	0	0	0	0	1.125	5.06
2021	Orioles	4	4.33	5	3	5	3	0	0	0	0	2.308	6.23
Total MLB		29	35.00	23	39	18	12	3	0	3	3	1.171	3.09
2025	Spring	3	4.00	2	4	2	2	1	0	1	1	1.000	4.50

2025 Projections
Source		G	IP	H	K	BB	ER	Win	Sav	Hld	S+H	WHIP	ERA
Consensus		15	24.06	22	23	13	12	1	0	1	1	1.449	4.52
RV Current		24	36.02	31	37	15	16	3	1	10	10	1.279	3.87
RotoValue		12	13.48	11	13	6	6	1	1	2	2	1.270	3.83
Steamer		1	1.00	1	1	1	1	0	0	0	0	1.477	4.62
ZiPS		33	57.70	53	56	33	30	3	0	0	0	1.490	4.68
modZiPS		33	57.70	53	56	33	30	3	0	0	0	1.490	4.68

2025 Game Log

July		Pos	IP	H	K	BB	ER	Win	Sav	Hld	S+H	WHIP	ERA
2025-07-30	@ SF	RP	2.00	2	3	0	0	1	0	0	0	1.000	0.00
2025-07-28	@ SF	RP	1.00	0	2	0	0	0	0	1	1	0.000	0.00
2025-07-25	v Ari	RP	1.00	2	1	0	0	0	0	0	0	2.000	0.00
2025-07-22	v Det	RP	1.00	1	2	0	0	0	0	0	0	1.000	0.00
2025-07-19	v CHW	RP	0.33	2	1	1	2	0	0	0	0	9.000	54.00
2025-07-18	v CHW	RP	1.00	0	0	0	0	0	0	0	0	0.000	0.00
2025-07-09	@ KC	RP	1.00	2	1	1	1	0	0	0	0	3.000	9.00
2025-07-08	@ KC	RP	0.00	1	0	0	0	0	0	0	0	Inf	0.00
2025-07-05	@ Sea	RP	1.33	0	3	0	0	0	0	0	0	0.000	0.00
2025-07-02	v StL	RP	1.00	1	1	1	0	0	0	0	0	2.000	0.00
2025-07-01	v StL	RP	1.00	0	0	2	0	1	0	0	0	2.000	0.00
Total			10.67	11	14	5	3	2	0	1	1	1.500	2.53
June		Pos	IP	H	K	BB	ER	Win	Sav	Hld	S+H	WHIP	ERA
2025-06-27	v NYM	RP	1.33	1	3	0	0	0	0	1	1	0.750	0.00
2025-06-23	@ Mil	RP	1.67	1	3	0	0	0	0	1	1	0.600	0.00
2025-06-20	v Tex	RP	1.33	1	1	1	0	0	0	0	0	1.500	0.00
2025-06-19	@ Det	RP	0.67	2	0	0	2	0	0	0	0	3.000	27.00
2025-06-15	@ ChC	RP	2.00	0	0	0	0	0	0	0	0	0.000	0.00
2025-06-12	@ ChC	RP	1.67	0	1	1	0	0	0	0	0	0.600	0.00
2025-06-10	v Mia	RP	2.00	0	3	0	0	0	0	0	0	0.000	0.00
2025-06-07	v Phi	RP	1.00	0	1	0	0	1	0	0	0	0.000	0.00
Total			11.67	5	12	2	2	1	0	2	2	0.600	1.54
May		Pos	IP	H	K	BB	ER	Win	Sav	Hld	S+H	WHIP	ERA
2025-05-25	v Mil	RP	1.33	0	1	1	0	0	0	0	0	0.750	0.00
2025-05-23	v Mil	RP	0.67	0	1	0	0	0	0	0	0	0.000	0.00
2025-05-22	v Mil	RP	1.00	1	2	0	1	0	0	0	0	1.000	9.00
Total			3.00	1	4	1	1	0	0	0	0	0.667	3.00
Preseason		Pos	IP	H	K	BB	ER	Win	Sav	Hld	S+H	WHIP	ERA
2025-03-16	@ NYY	RP	2.00	0	4	1	0	1	0	0	0	0.500	0.00
2025-03-10	v Bal	RP	1.00	2	0	0	2	0	0	0	0	2.000	18.00
2025-03-06	@ Bal	RP	1.00	0	0	1	0	0	0	1	1	1.000	0.00
Total			4.00	2	4	2	2	1	0	1	1	1.000	4.50

2025 Games by Position

RP	22
22	consecutive relief appearances

Copyright © 2025 by Almaviva Software LLC. All rights reserved.
Fangraphs Depth Charts projections are a combination of ZiPS and Steamer projections with playing time allocated by Fangraphs staff.
MLB Depth charts are computed by RotoValue.
Steamer projections courtesy of Jared Cross, Dash Davidson, and Peter Rosenbloom.
ZiPS projections courtesty of Dan Szymborski of Baseball Think Factory and ESPN.
ZiPS projections courtesty of Dan Szymborski of Baseball Think Factory and ESPN. modZiPS applies RotoValue's save estimation model to ZiPS projections.

Weighted On Base Average, or wOBA, was developed by Tom Tango. RotoValue uses Version 2, but ignoring reached base on error before 2015.

Sun 3-Aug-2025 08:48:59