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Kai-Wei Teng

#17 - Relief 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
Sv IP ERA WHIP K% BB%
0 26.0 3.12 1.08 22.1% 7.7%
118th 1
Sv
24th 15.0
IP
117th 4.81
ERA
77th 1.46
WHIP
169th 22.1%
K%
98th 10.8%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
94.6 9.4% 28.6% 51.0% 6.7% 4.81 4.09
160th 94.2
FB MPH
259th 11.9%
SwStr%
175th 28.4%
CSW%
163rd 50.2%
Str-ICR
243rd 6.0%
MTK%
144th 4.71
PLV
147th 4.57
PLA
Holds List
Rank
57th
Saves+Holds List
Rank
83rd

Articles

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5/11/2026Relief Pitcher Streamer Rankings Fantasy Baseball: 5/11Rick Graham

5/11/2026Fantasy Baseball SP Roundup 5/10: Much Ado Abbott NothingNick Pollack

5/10/2026Starting Pitcher Streamer Ranks Fantasy Baseball: 5/10 & 5/11 & 5/12Nick Pollack

See More Articles
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Kai-Wei Teng Overview

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team G GS IP W-L Sv Hld 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 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 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 15 2 26.0 1-3 0 3 3.12 1.08 3.37 3.88 3.86 4.09 22.1% 7.7% 6.9 1.04 .246 17.6% 80.6% 36.1% 45.8% 9.4% 28.6% 0.50 4.81
RP MLB Percentile 61 89 92 49-2 0 68 66 77 70 54 64 58 51 71 68 45 72 41 73 58 53 25 49 50 58
RP MLB AVG 11 1 15.0 1-1 1 2 4.81 1.46 4.48 4.50 4.43 4.57 22.1% 10.8% 8.8 1.14 .298 17.8% 71.4% 37.4% 44.1% 11.9% 28.4% 0.48 4.71
Career 27 9 66.2 3-7 0 3 5.67 1.46 4.39 4.32 4.40 4.45 23.2% 11.1% 8.6 0.94 .317 17.1% 63.4% 35.8% 43.3% 10.5% 28.7% 0.49 4.77

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 15 2 26.0 1-3 0 0 3 416 264 152 104 20 13 3 1 3 23 8 1 2
RP MLB Percentile 61 89 92 49-2 0 0 68 91 91 9 91 14 17 29 3 12 87 26 17 5
RP MLB AVG 11 1 15.0 1-1 0 1 2 254 160 94 65 14 9 3 0 2 14 7 1 1
Career 27 9 66.2 3-7 0 0 3 1,193 736 457 298 64 46 10 1 7 69 33 9 3

Kai-Wei Teng Advanced

Hide 2026 MLB Percentile | Hide 2026 MLB Average
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 22.1% 7.7% .211 .358 .637 .287 .246 .278 .220 .292 .262 .333 90.6 92.8 15.5 3.37
RP MLB Percentile 51 71 69 60 67 68 72 71 64 70 64 65 20 27 34 70
RP MLB AVG 22.1% 10.8% .247 .399 .735 .328 .298 .328 .239 .328 .284 .370 88.1 89.4 13.1 4.48
Career 23.2% 11.1% .251 .380 .736 .337 .317 .342 .232 .330 .284 .366 89.5 90.3 14.6 4.39

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 27.6% (94.6) 16.3% (93.8) - - 36.8% (84.7) 11.1% (82.7) 8.2% (87.9) - - 44.0% 56.0%
RP MLB Percentile 35 (52) 32 (44) - - 83 (77) 32 (69) 20 (68) - - 33.3% 66.1%
RP MLB AVG 35.8% (94.2) 26.7% (93.9) 20.7% (89.3) 26.8% (85.5) 23.4% (82.5) 17.5% (80.6) 18.6% (86.0) 19.4% (86.2) 33.7% (68.1) 47.5% 52.3%
Career 22.5% (93.8) 19.2% (93.1) - 2.6% (86.9) 32.9% (86.9) 14.2% (82.6) 8.4% (87.8) - - 41.7% 58.2%

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 22.6% (9) 38.2% (4) - - 30.7% (19) 32.6% (5) 14.7% (2) - - 28.4% 28.8%
RP MLB Percentile 28 (35) 89 (35) - - 63 (6) 67 (34) 20 (66) - - 50.7% 47.9%
RP MLB AVG 26.9% (8) 28.0% (4) 27.9% (5) 29.5% (8) 27.9% (8) 27.0% (5) 22.2% (7) 26.3% (8) 21.9% (5) 27.9% 28.4%
Career 24.5% (26) 31.0% (9) - 22.6% (4) 33.1% (56) 29.4% (19) 17.0% (10) - - 27.5% 29.5%

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 45.8% 20.8% 23.6% 9.7% 34.7% 41.7% 30.6% 27.8% 17.5% 63.9% 25.0% 5.6% 5.6% 36.1%
RP MLB Percentile 53 50 53 51 48 52 35 66 50 60 43 50 61 58
RP MLB AVG 44.1% 21.5% 24.3% 10.1% 34.3% 42.1% 33.3% 24.6% 17.4% 62.4% 24.1% 6.0% 7.6% 37.4%
Career 43.3% 23.0% 21.9% 11.8% 35.3% 40.1% 33.7% 26.2% 17.4% 64.2% 24.6% 5.9% 5.3% 35.8%

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 .211 .287 .246 .278 .220 .292 .262 .333 90.6 92.8 15.5 17.6% 36.1% 25.0%
RP MLB Percentile 69 68 72 71 64 70 64 65 20 27 34 41 58 48
RP MLB AVG .247 .328 .298 .328 .239 .328 .284 .370 88.1 89.4 13.1 17.8% 37.4% 24.5%
Career .251 .337 .317 .342 .232 .330 .284 .366 89.5 90.3 14.6 17.1% 35.8% 22.5%

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 47.1% 63.5% 44.2% 27.7% 21.2% 17.5% 78.8% 86.2% 63.9% 19.2% 9.4% 28.6% 17.3% 58.7% 0.50 51.0%
RP MLB Percentile 76 50 29 32 28 50 28 37 33 79 25 49 52 56 50 53
RP MLB AVG 44.1% 62.8% 46.3% 30.6% 25.6% 17.4% 74.4% 83.6% 59.0% 16.5% 11.9% 28.4% 17.0% 57.3% 0.48 50.2%
Career 45.8% 61.7% 43.5% 26.4% 24.1% 17.4% 75.9% 88.5% 50.9% 18.2% 10.5% 28.7% 15.7% 56.3% 0.49 50.5%

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 47.1% 29.6% 22.1% 48.3% 39.4% 26.7% 33.9% 31.0% 46.9% 6.3%
RP MLB Percentile 76 25 90 92 65 17 19 53 75 48
RP MLB AVG 44.1% 35.1% 26.6% 38.3% 36.0% 22.9% 41.1% 30.6% 42.8% 6.4%
Career 45.8% 28.0% 21.9% 50.1% 33.6% 25.2% 41.3% 30.3% 47.8% 6.5%

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 55.5% 13.0% 31.5% 13.9% 56.2% 43.8% 23.4% 21.4% 17.6%
RP MLB Percentile 14 42 72 47 28 21 69 25 37
RP MLB AVG 58.5% 13.0% 29.1% 14.1% 59.5% 49.2% 20.9% 26.0% 19.4%
Career 56.2% 13.0% 30.8% 13.6% 60.5% 48.8% 23.3% 22.6% 18.8%

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 416 4.81 42.1% 20.0% 38.0% 4.1% 6.7% 1.3 +0 4.09
RP MLB Percentile 91 58 56 51 61 61 28 52 65 58
RP MLB AVG 254 4.71 39.3% 20.2% 40.5% -1.3% 6.0% 1.9 +2 4.57
Career 1,193 4.77 43.7% 16.8% 39.5% 4.2% 6.8% 9.5 +10 4.45
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