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Kai-Wei Teng

#17 - Starting Pitcher

Houston Astros

Bats / Throws Right / Right
Date of Birth 12/1/1998 (27)
Height, Weight 6'4", 241 lb
Hometown Taichung, TWN

2026 Season Stats

MLB Rank MLB Average
W-L IP ERA WHIP K% BB%
4-6 66.1 4.21 1.34 22.8% 10.0%
93rd 5
W
127th 77.0
IP
101st 4.42
ERA
107th 1.31
WHIP
86th 21.7%
K%
153rd 8.5%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
93.4 11.3% 29.8% 48.8% 6.2% 4.79 4.11
129th 94.3
FB MPH
100th 11.6%
SwStr%
36th 27.7%
CSW%
124th 50.0%
Str-ICR
165th 4.9%
MTK%
182nd 4.98
PLV
179th 3.30
PLA

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Kai-Wei Teng Overview

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team G GS IP W-L QS ERA WHIP xERA FIP xFIP PLA K% BB% H/9 HR/9 BABIP HR/FB% LOB% ICR% GB% SwStr% CSW% IPR% PLV
2024 SF 4 0 11.0 0-0 0 9.82 2.09 9.24 6.71 5.43 1.60 12.7% 14.5% 12.3 1.64 .351 40.0% 56.6% 41.0% 46.2% 8.3% 24.0% 0.24 4.43
2025 SF 8 7 29.2 2-4 0 6.37 1.55 3.49 3.82 4.52 4.76 28.1% 12.2% 8.8 0.61 .365 10.5% 57.8% 32.9% 39.5% 12.0% 30.4% 0.59 4.74
2026 HOU 24 10 66.1 4-6 2 4.21 1.34 4.41 4.79 4.32 4.11 22.8% 10.0% 8.1 1.36 .284 25.0% 75.0% 41.9% 45.2% 11.3% 29.8% 0.52 4.79
SP MLB Percentile 97 29 36 40-25 25 49 44 48 35 45 11 57 23 58 35 51 19 62 20 62 49 81 69 7
SP MLB AVG 15 14 77.0 5-5 5 4.42 1.31 4.42 4.39 4.28 3.30 21.7% 8.5% 8.5 1.29 .287 19.5% 72.6% 38.6% 42.9% 11.6% 27.7% 0.47 4.98
Career 36 17 107.0 6-10 2 5.38 1.48 4.65 4.72 4.48 4.03 23.1% 11.2% 8.7 1.18 .314 21.9% 66.9% 39.5% 43.9% 11.2% 29.4% 0.51 4.76

Kai-Wei Teng Repertoire

2024 2025 2026 All
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Kai-Wei Teng Game Log

Kai-Wei Teng Standard

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Year Team G GS IP W-L QS Sv Hld P Strikes Balls TBF H 1B 2B 3B HR K BB HB WP
2024 SF 4 0 11.0 0-0 0 0 0 204 116 88 55 15 11 2 0 2 7 8 1 1
2025 SF 8 7 29.2 2-4 0 0 0 573 356 217 139 29 22 5 0 2 39 17 7 0
2026 HOU 24 10 66.1 4-6 2 0 3 1,120 703 417 290 60 39 9 2 10 66 29 9 3
SP MLB Percentile 97 29 36 40-25 25 0 99 37 36 61 36 68 64 76 12 48 46 41 3 17
SP MLB AVG 15 14 77.0 5-5 5 0 0 1,274 814 459 329 72 46 14 1 11 72 27 3 2
Career 36 17 107.0 6-10 2 0 3 1,897 1,175 722 484 104 72 16 2 14 112 54 17 4

Kai-Wei Teng Advanced

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Year Team K% BB% AVG SLG OPS wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA xERA
2024 SF 12.7% 14.5% .326 .500 .936 .410 .351 .385 .356 .471 .370 .505 89.5 94.4 13.5 9.24
2025 SF 28.1% 12.2% .254 .351 .732 .335 .365 .382 .192 .292 .262 .313 88.6 86.9 14.3 3.49
2026 HOU 22.8% 10.0% .238 .409 .747 .333 .284 .323 .233 .328 .278 .367 89.5 92.3 14.1 4.41
SP MLB Percentile 57 23 59 50 42 40 51 46 67 48 61 56 27 15 46 48
SP MLB AVG 21.7% 8.5% .246 .413 .730 .320 .287 .321 .246 .325 .285 .375 88.5 90.0 13.9 4.42
Career 23.1% 11.2% .252 .403 .765 .343 .314 .346 .235 .335 .285 .373 89.3 90.9 14.1 4.65

Kai-Wei Teng Pitch › Mix

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Year Team FF% (MPH) SI% (MPH) FC% (MPH) SL% (MPH) ST% (MPH) CB% (MPH) CH% (MPH) FS% (MPH) KN% (MPH) Fastball% Secondary%
2024 SF5.9% (93.6)44.1% (92.7)-15.2% (86.9)9.3% (83.3)22.1% (82.0)3.4% (88.1)-- 50.0% 50.0%
2025 SF24.8% (93.2)12.4% (92.9)--38.6% (84.4)13.8% (83.0)10.3% (87.7)-- 37.2% 62.7%
2026 HOU27.9% (93.4)15.5% (93.3)-1.9% (85.5)34.8% (84.3)9.8% (82.5)10.2% (87.1)-- 43.3% 56.7%
SP MLB Percentile 36 (34) 40 (40) - 5 (35) 92 (76) 35 (74) 25 (57) - - 37.5% 62.5%
SP MLB AVG 33.4% (94.3) 20.1% (93.7) 16.3% (89.2) 18.0% (86.1) 16.4% (82.2) 14.3% (80.1) 17.1% (86.3) 17.5% (86.4) 28.4% (80.6) 46.6% 53.3%
Career24.6% (93.3)17.6% (93.0)-2.7% (86.3)33.2% (84.3)12.3% (82.6)9.5% (87.4)-- 42.2% 57.8%

Kai-Wei Teng Pitch › Results

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Year Team FF CSW% SI CSW% FC CSW% SL CSW% ST CSW% CB CSW% CH CSW% FS CSW% KN CSW% Fastball CSW% Secondary CSW%
2024 SF16.7% (1)26.7% (4)-22.6% (4)15.8% (1)26.7% (7)14.3% (0)-- 25.5% 22.5%
2025 SF26.8% (16)29.6% (1)--36.2% (36)29.1% (7)18.6% (8)-- 27.7% 31.8%
2026 HOU25.3% (24)34.7% (12)-38.1% (6)33.1% (56)31.8% (16)20.2% (13)-- 28.7% 30.7%
SP MLB Percentile 27 (34) 98 (53) - 94 (20) 74 (93) 61 (54) 26 (36) - - 67.5% 79.5%
SP MLB AVG 27.2% (41) 26.5% (13) 27.0% (18) 28.6% (28) 27.9% (21) 29.8% (20) 23.0% (27) 21.9% (34) 28.4% (14) 27.3% 27.9%
Career25.5% (41)31.4% (17)-28.8% (10)33.7% (93)29.9% (30)19.4% (21)-- 28.0% 30.3%

Kai-Wei Teng Batted Ball › Contact

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Year Team GB% LD% FB% PU% SS% Pull% Cent% Oppo% Foul Str% PC% Fl&B% Solid% Brl% ICR%
2024 SF 46.2% 23.1% 12.8% 17.9% 33.3% 35.9% 35.9% 28.2% 13.7% 59.0% 25.6% 7.7% 7.7% 41.0%
2025 SF 39.5% 25.0% 25.0% 10.5% 36.8% 40.8% 35.5% 23.7% 18.5% 67.0% 23.7% 5.3% 3.9% 32.9%
2026 HOU 45.2% 24.2% 21.5% 9.1% 38.7% 43.5% 29.6% 26.9% 16.3% 58.1% 28.5% 6.5% 7.0% 41.9%
SP MLB Percentile 62 29 18 40 18 60 16 74 16 21 11 41 63 20
SP MLB AVG 42.9% 22.3% 24.6% 10.2% 35.8% 42.4% 33.1% 24.5% 18.2% 61.2% 24.7% 6.3% 7.9% 38.6%
Career 43.9% 24.3% 21.3% 10.6% 37.5% 41.9% 31.9% 26.2% 16.7% 60.5% 26.9% 6.3% 6.3% 39.5%

Kai-Wei Teng Batted Ball › Outcomes

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Year Team AVG wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA HR/FB ICR% IPA%
2024 SF .326 .410 .351 .385 .356 .471 .370 .505 89.5 94.4 13.5 40.0% 41.0% 29.1%
2025 SF .254 .335 .365 .382 .192 .292 .262 .313 88.6 86.9 14.3 10.5% 32.9% 18.0%
2026 HOU .238 .333 .284 .323 .233 .328 .278 .367 89.5 92.3 14.1 25.0% 41.9% 26.9%
SP MLB Percentile 59 40 51 46 67 48 61 56 27 15 46 19 20 44
SP MLB AVG .246 .320 .287 .321 .246 .325 .285 .375 88.5 90.0 13.9 19.5% 38.6% 26.5%
Career .252 .343 .314 .346 .235 .335 .285 .373 89.3 90.9 14.1 21.9% 39.5% 24.6%

Kai-Wei Teng Approach › Plate Discipline

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Year Team Zone% Str% Swing% O-Sw% Whiff% Foul Str% Con% Z-Con% O-Con% CS% SwStr% CSW% BIP% PLUS% IPR% Str-ICR
2024 SF 43.1% 56.9% 41.2% 19.8% 20.2% 13.7% 79.8% 90.2% 52.2% 15.7% 8.3% 24.0% 19.1% 49.5% 0.24 41.2%
2025 SF 45.7% 62.1% 43.8% 28.0% 27.5% 18.5% 72.5% 89.6% 41.4% 18.3% 12.0% 30.4% 13.3% 57.1% 0.59 53.4%
2026 HOU 45.6% 62.8% 44.3% 28.9% 25.6% 16.3% 74.4% 85.3% 54.5% 18.5% 11.3% 29.8% 16.6% 57.4% 0.52 48.8%
SP MLB Percentile 59 34 13 22 62 16 62 51 77 94 49 81 29 39 69 38
SP MLB AVG 44.9% 63.7% 47.6% 31.6% 24.3% 18.2% 75.7% 85.0% 59.7% 16.1% 11.6% 27.7% 17.7% 58.0% 0.47 50.0%
Career 45.4% 61.9% 43.8% 27.6% 25.6% 16.7% 74.4% 87.1% 50.3% 18.1% 11.2% 29.4% 15.9% 56.5% 0.51 49.4%

Kai-Wei Teng Approach › Locations

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Year Team Zone% aLoc% x-mLoc% gLoc% hiLoc% y-mLoc% loLoc% iLoc% oLoc% mmLoc%
2024 SF 43.1% 31.4% 20.6% 48.0% 28.9% 21.1% 50.0% 32.4% 47.1% 3.9%
2025 SF 45.7% 25.7% 22.2% 52.1% 30.9% 25.5% 43.5% 29.0% 48.8% 7.5%
2026 HOU 45.6% 31.0% 21.9% 47.1% 37.1% 25.3% 37.7% 32.1% 46.1% 5.7%
SP MLB Percentile 59 19 99 96 59 10 28 77 74 13
SP MLB AVG 44.9% 35.8% 27.5% 36.6% 35.4% 22.8% 41.7% 28.8% 43.7% 6.6%
Career 45.4% 29.4% 21.8% 48.7% 34.3% 24.9% 40.8% 31.2% 47.0% 6.1%

Kai-Wei Teng Approach › Counts

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Year Team Early% Behind% 2-Str% Early BIP% F-Str% TF-Str% ECS% 2-Str O-Sw% PAR%
2024 SF 60.8% 15.7% 23.5% 16.1% 50.9% 41.8% 17.7% 12.5% 14.6%
2025 SF 55.0% 12.0% 33.0% 12.4% 67.6% 55.4% 25.4% 25.9% 20.6%
2026 HOU 57.9% 13.1% 28.9% 14.2% 60.2% 47.3% 22.7% 25.0% 20.4%
SP MLB Percentile 32 28 40 33 39 25 77 26 69
SP MLB AVG 58.7% 12.0% 29.4% 15.1% 61.2% 49.6% 20.8% 26.7% 18.9%
Career 57.4% 13.1% 29.6% 13.9% 61.3% 49.0% 22.9% 24.2% 20.0%

Kai-Wei Teng PLV

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Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2024 SF 204 4.43 32.8% 26.2% 41.0% -8.2% 8.2% -0.6 0 1.60
2025 SF 573 4.74 45.5% 14.3% 40.1% 5.4% 7.0% 2.9 +4 4.76
2026 HOU 1,120 4.79 43.2% 18.0% 38.8% 4.5% 6.2% 2.4 0 4.11
SP MLB Percentile 37 7 16 57 15 15 16 58 55 11
SP MLB AVG 1,274 4.98 46.2% 17.8% 36.1% 10.1% 4.9% 4.2 +1 3.30
Career 1,897 4.76 43.6% 17.1% 39.3% 4.3% 6.5% 4.7 +4 4.03
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