Isaiah Campbell

Bats R Throws R6'4" 230 lbBorn 1997 Angra do Heroismo, PortugalDebut 2023Team BOSDraft 2018 R24 #721 Los Angeles Angels, Arkansas

Projections

Season	BF	K%	BB%	HR%	1B%	XBH%	PITCH+
2026	115	18.4	7.5	2.90	21.6	6.20	102.3
2027							102.9
2028							103.4

Projected rates are per plate appearance or batter faced; counting stats scale with projected playing time. Statcast measurements inform these projections as inputs and are reported as measurements, not projected.

Most similar through age 27

His ten closest age-27 comparables averaged 80 PITCH+ the next season; 6 of 10 played. Averages cover only the players who got a next season, which is why the played count matters.

#	Player	Through	PITCH+ then	Next season	Next PA / BF
1	Josh Lueke	2012	89.7	81.7	99
2	Joe Paterson	2013	91.1	15.8	10
3	Michael Mariot	2016	88.8	did not play
4	John Schreiber	2021	90.2	118.3	257
5	Erich Uelmen	2023	88.2	did not play
6	Rob Scahill	2014	88.3	92.9	142
7	Phil Klein	2016	88.3	did not play
8	Stephen Nogosek	2022	89.8	79.2	118
9	Luis Garcia	2014	87.4	94.2	304
10	Reggie McClain	2020	88.4	did not play

Pitching

Year	Team	W	L	ERA	G	GS	SV	IP	BF	HR	BB	SO	PITCH+
2027 proj									115				102.9
2026*									0
2025	BOS	0	0	7.04	6	0	0	7.7	35	1	1	3	66.0	92.0	58.0
2024	BOS	0	1	16.20	8	0	0	6.7	37	3	2	6	40.2	100.9	41.2
2023	SEA	4	1	2.83	27	0	1	28.7	120	2	13	33	111.4	99.4	110.8
Career		4	2	5.65	41	0	1	43.0	192	6	16	42	89.4		87.8

Fielding

Year	Team	Pos	G	Inn	PO	A	E	DP	Fld%	Runs saved
2025	BOS	P	6	8	3	1	0	1	1.000	-0.3
2024	BOS	P	8	7	1	2	0	0	1.000	+0.0
2023	SEA	P	27	29	1	1	1	0	0.667	-0.1

Runs saved covers the Statcast era; for catchers it includes framing.

Minor leagues

Year	Level	Team	Side	PA / BF	Line	AVG / ERA
2026	AAA	Reno Aces	Pit	215	45.0 IP, 23% K	7.20
2025	AAA	Worcester Red Sox	Pit	260	57.2 IP, 18% K	3.93
2024	AAA	Worcester Red Sox	Pit	70	16.1 IP, 27% K	2.24
2023	AA	Arkansas Travelers	Pit	95	24.0 IP, 28% K	2.62
2022	AA	Arkansas Travelers	Pit	56	13.0 IP, 43% K	3.46
2022	A+	Everett AquaSox	Pit	123	33.0 IP, 28% K	0.82
2021	A+	Everett AquaSox	Pit	78	19.1 IP, 26% K	2.36

Splits

Year	vs LHP	vs RHP	Home	Away
2025	0.433	0.422	0.517	0.227
2024	0.568	0.469	0.768	0.258
2023	0.251	0.327	0.281	0.312

wOBA by split, from pitch level data, 2015 on. For pitchers the split is the batter side faced.