Kai-Wei Teng

Bats R Throws R6'4" 241 lbBorn 1998 Taichung City, TaiwanDebut 2024Team SFContract 1 y/$786,700 (26) 2026: $560,955

Projections

Season	BF	K%	BB%	HR%	1B%	XBH%	PITCH+
2026	256	24.0	10.1	3.07	21.5	6.69	98.7
2027							100.2
2028							98.3

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 26

His ten closest age-26 comparables averaged 76 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	Tanner Anderson	2019	86.9	did not play
2	Zac Lowther	2022	84.2	did not play
3	Jhonathan Diaz	2023	86.7	67.2	47
4	Carlos Torres	2009	87.9	62.4	71
5	Josh Rogers	2021	82.7	94.4	113
6	Jose De Leon	2019	83.4	78.9	35
7	Jon Duplantier	2021	83.8	did not play
8	Cody Morris	2023	85.9	did not play
9	Ryan Castellani	2022	84.5	did not play
10	Anthony Ranaudo	2016	82.8	did not play

Pitching

Year	Team	W	L	ERA	G	GS	SV	IP	BF	HR	BB	SO	PITCH+
2027 proj									256				100.2
2026*									301				94.2	99.0	93.2
2025	SF	2	4	6.37	8	7	0	29.7	139	2	17	39	93.4	96.7	90.2
2024	SF	0	0	9.82	4	0	0	11.0	55	2	8	7	66.6	105.3	71.9
Career		2	4	7.30	12	7	0	40.7	194	4	25	46	85.8		85.0

Fielding

Year	Team	Pos	G	Inn	PO	A	E	DP	Fld%	Runs saved
2025	SF	P	8	30	2	1	1	0	0.750	-0.6
2024	SF	P	4	11	2	2	0	0	1.000	+0.4

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

Minor leagues

Year	Level	Team	Side	PA / BF	Line	AVG / ERA
2026	AAA	Sugar Land Space Cowboys	Pit	39	10.1 IP, 38% K	3.56
2025	AAA	Sacramento River Cats	Pit	240	57.0 IP, 37% K	3.63
2024	AAA	Sacramento River Cats	Pit	358	75.1 IP, 17% K	8.63
2023	AAA	Sacramento River Cats	Pit	348	79.0 IP, 28% K	4.22
2023	AA	Richmond Flying Squirrels	Pit	202	47.1 IP, 34% K	4.78
2022	AA	Richmond Flying Squirrels	Pit	621	136.1 IP, 27% K	5.22
2021	A+	Eugene Emeralds	Pit	416	95.2 IP, 34% K	4.35
2019	A	Cedar Rapids Kernels	Pit	210	50.2 IP, 23% K	1.61
2019	A	Augusta GreenJackets	Pit	110	29.0 IP, 35% K	1.55
2019	A	nan	Pit	320	79.2 IP, 28% K	1.59
2018	Rk	GCL Twins	Pit	179	42.2 IP, 26% K	3.63

Splits

Year	vs LHP	vs RHP	Home	Away
2026	0.391	0.271	0.329	0.352
2025	0.322	0.366	0.350	0.342
2024	0.268	0.496	0.438	0.394

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