Will Klein

Bats R Throws R6'5" 230 lbBorn 1999 Bloomington, USADebut 2024Team LADDraft 2020 R5 #135 Kansas City Royals, Eastern IllinoisContract 1 y/$790,000 (26) 2026: $790,000

Projections

Season	BF	K%	BB%	HR%	1B%	XBH%	PITCH+
2026	131	25.8	11.9	2.47	22.7	6.36	103.1
2027							104.6
2028							103.9

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 25

His ten closest age-25 comparables averaged 51 PITCH+ the next season; 4 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	Michael Mariot	2014	87.9	83.2	12
2	Ben Taylor	2018	88.9	did not play
3	Drew Anderson	2019	86.3	-31.5	10
4	Sean Hjelle	2022	88.0	81.4	139
5	Michael Kohn	2011	87.4	did not play
6	Scott Barnes	2013	90.4	did not play
7	Matt Marksberry	2016	84.9	did not play
8	Francisco Perez	2023	86.7	did not play
9	Joel Carreno	2012	90.3	did not play
10	David Carpenter	2011	91.1	69.9	163

Pitching

Year	Team	W	L	ERA	G	GS	SV	IP	BF	HR	BB	SO	PITCH+
2027 proj									131				104.6
2026*									189				97.8	96.2	94.0
2025	LAD	1	1	2.35	14	0	0	15.3	70	0	10	21	100.3	111.6	111.9
2024	OAK	1	0	11.05	8	0	0	7.3	38	0	6	7	64.6	104.8	69.4
Career		2	1	5.16	22	0	0	22.7	108	0	16	28	87.7		96.9

Fielding

Year	Team	Pos	G	Inn	PO	A	E	DP	Fld%	Runs saved
2025	LAD	P	14	15	0	3	0	0	1.000	+1.0
2024	OAK	P	8	7	0	2	0	0	1.000	+0.2

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

Minor leagues

Year	Level	Team	Side	PA / BF	Line	AVG / ERA
2025	AAA	Tacoma Rainiers	Pit	105	21.1 IP, 30% K	7.25
2025	AAA	Oklahoma City Comets	Pit	103	22.2 IP, 43% K	5.27
2025	AAA	nan	Pit	208	44.0 IP, 37% K	6.14
2024	AAA	Omaha Storm Chasers	Pit	166	37.2 IP, 23% K	3.63
2024	AAA	Las Vegas Aviators	Pit	26	5.1 IP, 19% K	5.29
2024	AAA	nan	Pit	192	43.0 IP, 22% K	3.77
2023	AAA	Omaha Storm Chasers	Pit	174	35.0 IP, 28% K	5.66
2023	AA	Northwest Arkansas Naturals	Pit	131	29.1 IP, 34% K	3.40
2022	AA	Northwest Arkansas Naturals	Pit	232	43.2 IP, 24% K	10.62
2021	A+	Quad Cities River Bandits	Pit	296	70.1 IP, 41% K	3.21

Splits

Year	vs LHP	vs RHP	Home	Away
2026	0.312	0.343	0.282	0.371
2025	0.223	0.434	0.324	0.298
2024	0.515	0.364	0.419	0.472

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

Postseason pitching

Year	W	L	ERA	G	GS	SV	IP	H	HR	BB	SO	WHIP
2025	1	0	0.00	2	0	0	5.0	2	0	2	5	0.80
Career	1	0	0.00	2	0	0	5.0	2	0	2	5	0.80