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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%
3-4 47.0 3.06 1.17 23.2% 11.1%
68th 3
W
127th 49.0
IP
43rd 4.45
ERA
59th 1.33
WHIP
75th 21.4%
K%
159th 9.0%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
94.1 10.9% 30.0% 51.6% 5.5% 4.91 3.49
110th 94.3
FB MPH
109th 11.5%
SwStr%
40th 27.7%
CSW%
54th 49.7%
Str-ICR
135th 4.7%
MTK%
139th 4.98
PLV
126th 3.29
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 4.45 12.7% 14.5% 12.3 1.64 .351 40.0% 56.6% 41.0% 46.2% 8.3% 24.0% 0.24 4.76
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 19 6 47.0 3-4 1 3.06 1.17 3.71 4.35 4.06 3.49 23.2% 11.1% 6.5 1.15 .239 21.4% 82.3% 35.0% 45.5% 10.9% 30.0% 0.54 4.91
SP MLB Percentile 99 23 36 46-20 16 78 70 71 46 58 36 61 20 86 51 88 33 85 80 63 45 80 76 27
SP MLB AVG 10 9 49.0 3-3 3 4.45 1.33 4.41 4.38 4.24 3.29 21.4% 9.0% 8.4 1.23 .287 18.8% 72.5% 38.8% 42.9% 11.5% 27.7% 0.47 4.98
Career 31 13 87.2 5-8 1 5.03 1.41 4.33 4.47 4.38 4.04 23.4% 12.0% 8.0 1.03 .298 19.2% 67.5% 35.3% 43.7% 11.0% 29.4% 0.51 4.83

Kai-Wei Teng Repertoire

2024 2025 2026 All
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Kai-Wei Teng Game Log

Kai-Wei Teng Standard

Hide 2026 MLB Percentile | Hide 2026 MLB Average
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 19 6 47.0 3-4 1 0 3 759 478 281 190 34 21 6 1 6 44 21 2 2
SP MLB Percentile 99 23 36 46-20 16 0 99 36 36 63 36 69 69 69 17 44 46 30 37 14
SP MLB AVG 10 9 49.0 3-3 3 0 0 813 518 295 210 46 30 9 1 6 46 18 2 1
Career 31 13 87.2 5-8 1 0 3 1,536 950 586 384 78 54 13 1 10 90 46 10 3

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 23.2% 11.1% .204 .359 .659 .299 .239 .276 .214 .305 .260 .339 89.3 92.1 13.4 3.71
SP MLB Percentile 61 20 85 70 68 67 88 84 82 71 80 80 33 24 56 71
SP MLB AVG 21.4% 9.0% .246 .409 .729 .324 .287 .320 .246 .330 .284 .377 88.6 90.2 14.0 4.41
Career 23.4% 12.0% .239 .376 .725 .331 .298 .328 .226 .327 .278 .361 89.1 90.4 13.7 4.33

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 SF 5.9% (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 SF 24.8% (93.2) 12.4% (92.9) - - 38.6% (84.4) 13.8% (83.0) 10.3% (87.7) - - 37.2% 62.7%
2026 HOU 25.0% (94.1) 17.5% (93.6) - 1.3% (85.7) 35.4% (84.6) 10.5% (82.5) 10.1% (87.4) - - 42.6% 57.4%
SP MLB Percentile 23 (41) 48 (48) - 1 (36) 94 (79) 38 (76) 24 (63) - - 31.0% 69.0%
SP MLB AVG 34.0% (94.3) 20.1% (93.7) 16.8% (89.2) 18.4% (86.1) 16.1% (82.5) 14.5% (80.1) 16.9% (86.3) 18.6% (86.6) 27.6% (80.5) 46.9% 53.0%
Career 22.4% (93.7) 19.1% (93.1) - 2.7% (86.6) 33.1% (86.6) 13.3% (82.6) 9.3% (87.6) - - 41.5% 58.4%

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 SF 16.7% (1) 26.7% (4) - 22.6% (4) 15.8% (1) 26.7% (7) 14.3% (0) - - 25.5% 22.5%
2025 SF 26.8% (16) 29.6% (1) - - 36.2% (36) 29.1% (7) 18.6% (8) - - 27.7% 32.0%
2026 HOU 24.7% (12) 35.3% (9) - 40.0% (2) 33.5% (41) 31.3% (10) 19.5% (9) - - 29.1% 30.7%
SP MLB Percentile 20 (24) 96 (62) - 93 (4) 79 (94) 54 (50) 25 (36) - - 70.0% 78.5%
SP MLB AVG 27.3% (27) 26.4% (9) 26.9% (13) 29.2% (19) 28.2% (15) 29.8% (14) 23.4% (18) 22.0% (24) 27.3% (11) 27.4% 27.9%
Career 25.3% (29) 31.3% (14) - 26.8% (6) 34.0% (78) 29.4% (24) 18.9% (17) - - 28.1% 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 45.5% 22.8% 22.8% 8.9% 35.8% 41.5% 32.5% 26.0% 16.7% 65.1% 23.6% 5.7% 5.7% 35.0%
SP MLB Percentile 63 45 35 41 50 44 45 63 27 80 61 56 79 80
SP MLB AVG 42.9% 22.2% 24.6% 10.3% 35.8% 42.4% 33.0% 24.6% 18.0% 61.0% 24.4% 6.4% 8.2% 38.8%
Career 43.7% 23.5% 21.8% 10.9% 35.7% 40.3% 34.0% 25.6% 17.0% 64.7% 23.9% 5.9% 5.5% 35.3%

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 .204 .299 .239 .276 .214 .305 .260 .339 89.3 92.1 13.4 21.4% 35.0% 22.6%
SP MLB Percentile 85 67 88 84 82 71 80 80 33 24 56 33 80 85
SP MLB AVG .246 .324 .287 .320 .246 .330 .284 .377 88.6 90.2 14.0 18.8% 38.8% 26.6%
Career .239 .331 .298 .328 .226 .327 .278 .361 89.1 90.4 13.7 19.2% 35.3% 21.9%

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 46.5% 63.0% 43.9% 29.3% 24.9% 16.7% 75.1% 84.1% 58.8% 19.1% 10.9% 30.0% 16.2% 58.5% 0.54 51.6%
SP MLB Percentile 74 41 13 29 56 27 56 59 58 94 45 80 26 61 76 72
SP MLB AVG 44.9% 63.5% 47.2% 31.5% 24.2% 18.0% 75.8% 84.9% 60.0% 16.2% 11.5% 27.7% 17.7% 57.8% 0.47 49.7%
Career 45.8% 61.8% 43.5% 27.5% 25.3% 17.0% 74.7% 87.0% 51.5% 18.4% 11.0% 29.4% 15.5% 56.8% 0.51 50.9%

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 46.5% 30.8% 21.9% 47.3% 37.0% 25.6% 37.4% 33.1% 45.1% 6.2%
SP MLB Percentile 74 23 98 95 59 13 29 80 69 37
SP MLB AVG 44.9% 35.7% 27.6% 36.7% 35.7% 22.6% 41.7% 29.1% 43.3% 6.6%
Career 45.8% 29.0% 21.8% 49.2% 33.7% 25.0% 41.4% 31.5% 46.7% 6.4%

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 56.5% 13.3% 30.2% 12.6% 59.1% 46.6% 24.5% 24.9% 19.2%
SP MLB Percentile 16 25 65 14 31 24 92 31 53
SP MLB AVG 58.8% 12.2% 29.2% 15.1% 60.9% 49.4% 20.8% 26.7% 18.8%
Career 56.5% 13.2% 30.3% 13.0% 61.0% 49.1% 23.8% 24.0% 19.3%

Kai-Wei Teng PLV

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Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2024 SF 204 4.76 42.6% 17.6% 39.7% 2.9% 5.4% 5.3 +6 4.45
2025 SF 573 4.74 45.2% 14.3% 40.5% 4.7% 7.3% 2.9 +4 4.76
2026 HOU 759 4.91 45.1% 17.8% 37.2% 7.9% 5.5% -2.7 -7 3.49
SP MLB Percentile 36 27 36 55 33 33 30 72 86 36
SP MLB AVG 813 4.98 46.5% 17.4% 36.1% 10.5% 4.7% 2.6 +1 3.29
Career 1,536 4.83 44.8% 16.5% 38.7% 6.1% 6.2% 5.6 +3 4.04
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