Isaac Mattson

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LLLLW

2026 season stats

Season totals and game logs update as official box scores enter the LeagueMind archive.

Health watch

Injury report

15-Day-IL

The Pirates recalled Mattson from Triple-A Indianapolis on Friday, Danny Demilio of PittsburghBaseballNow.com reports.

Reported Sep 8, 6:35 PM EST

Career view

Season	G	H	R	ER	BB	SO	HR	PC	IP	ERA
2026	37	43	23	23	18	36	3	704	37.2	5.50
2025	44	35	14	13

Every appearance

25 archived games

2026 · 25 games

Date	Opp	Result	Summary	IP	H	R	ER	BB	SO	HR	PC
Sep 5, 26	vs LAA	L 1-6	2.0 IP, 3 ER, 2 K, 0 BB	2.0	4	3	3	0	2	0	39
Aug 17, 26	vs DET	L 5-8	2.0 IP, ER, K, 2 BB	2.0	2	1	1	2	1	0	41
Jul 28, 26	vs ARI	L 7-8	1.2 IP, ER, 3 K, BB	1.2	3	1	1	1	3	0	39
Jul 25, 26	vs CHC	L 0-11	0.1 IP, 3 ER, K, BB	0.1	4	3	3	1	1	0	26
Jul 19, 26	@ CLE	W 7-1	1.0 IP, 0 ER, K, 0 BB	1.0	0	0	0	0	1	0	13
Jul 18, 26	@ CLE	L 3-5	1.0 IP, 0 ER, 2 K, 0 BB	1.0	1	0	0	0	2	0	20
Jul 12, 26	vs MIL	W 14-5	0.2 IP, 0 ER, K, BB	0.2	1	0	0	1	1	0	18
Jul 8, 26	vs ATL	L 0-3	1.0 IP, ER, K, 0 BB	1.0	2	1	1	0	1	0	12
Jul 5, 26	@ WSH	W 11-5	1.0 IP, 0 ER, K, 0 BB	1.0	2	0	0	0	1	0	12
Jul 3, 26	@ WSH	L 5-9	1.1 IP, 4 ER, K, BB	1.1	3	4	4	1	1	2	37
Jun 30, 26	@ PHI	L 0-8	0.2 IP, 0 ER, 0 K, 0 BB	0.2	1	0	0	0	0	0	9
Jun 27, 26	vs CIN	L 7-9	1.0 IP, 0 ER, 2 K, 0 BB	1.0	0	0	0	0	2	0	13
Jun 26, 26	vs CIN	L 4-6	1.0 IP, 0 ER, K, 0 BB	1.0	0	0	0	0	1	0	12
Jun 23, 26	vs SEA	L 2-3	1.0 IP, 0 ER, K, 0 BB	1.0	0	0	0	0	1	0	13
Jun 17, 26	@ ATH	W 12-4	1.0 IP, ER, 2 K, 0 BB	1.0	1	1	1	0	2	1	16
Jun 14, 26	vs MIA	L 2-4	1.1 IP, 0 ER, K, 2 BB	1.1	0	0	0	2	1	0	27
May 17, 26	vs PHI	L 0-6	1.0 IP, 0 ER, 0 K, 0 BB	1.0	1	0	0	0	0	0	15
May 16, 26	vs PHI	L 0-6	1.1 IP, 0 ER, 2 K, BB	1.1	0	0	0	1	2	0	25
May 10, 26	@ SF	L 6-7	0.1 IP, 2 ER, 0 K, 0 BB	0.1	3	2	2	0	0	0	18
May 7, 26	@ ARI	W 4-2	0.1 IP, 0 ER, K, 0 BB	0.1	0	0	0	0	1	0	6
Apr 30, 26	vs STL	L 5-10	0.2 IP, 5 ER, 0 K, 2 BB	0.2	3	5	5	2	0	0	31
Apr 27, 26	vs STL	L 2-4	0.1 IP, 0 ER, K, 0 BB	0.1	0	0	0	0	1	0	3
Apr 25, 26	@ MIL	W 6-3	1.0 IP, 0 ER, 0 K, 0 BB	1.0	0	0	0	0	0	0	4
Apr 24, 26	@ MIL	W 6-0	1.0 IP, 0 ER, K, BB	1.0	0	0	0	1	1	0	14
Apr 19, 26	vs TB	W 6-3	1.0 IP, 0 ER, K, 0 BB	1.0	0	0	0	0	1	0	8