BIGLEAGUE

Houston Astros · Pitcher · #17

Kai-Wei Teng

Age 276' 4" · 241lbBats R · Throws RDebut 2024From Taichung

ERA

4.24

W-L

5-6

K

71

WHIP

1.33

WAR

0.2

FIP

4.71

Awards

1 major honor

All-Star

2023

League Percentile

2026 season · percentile vs 290 relievers with 20+ IP
the entire league54relief pitchers290
ERA
37
4.24
WHIP
47
1.33
Strikeouts
91
71
K/9
57
9.13
Wins
86
5
Bottom of leagueAverage (50)Top of league

relief pitchers · by ERA

Top 63%

Kai-Wei Teng's ERA (4.24) ranks below average among 290 relievers with 20+ IP. The number on each bar is a percentile (higher is better); use the tabs to change the comparison pool.

PITCHING

Season · Career
CategoryGamesERAWinsLossesSavesInningsStrikeoutsWalksWHIP
2026 Season264.2456070.071301.33
Career385.377100110.2117551.46

Hover over a stat for its definition.

ARSENAL

Pitch arsenal · 2026 usage and average velocity
Sweeper35.5%avg 136 km/h
Four-Seam27.6%avg 150 km/h
Sinker15.6%avg 150 km/h
Changeup9.9%avg 140 km/h
Curveball9.5%avg 133 km/h
Slider1.8%avg 138 km/h

ADVANCED

Advanced metrics · 2026 season

BABIP

.286

K/9

9.13

BB/9

3.86

HR/9

1.29

Quality starts

2

Whiff%

26.2%

GAME LOG

Last 10 games · includes team result
DateOppInningsHitsERWalksStrikeoutsTeam
08.23vs ATH1.21004L
07.24@ CWS2.02211W
07.19vs BAL2.11013L
06.27@ DET3.28411W
06.21vs CLE6.04114W
06.15vs DET3.16529L
06.09@ LAA4.07535L
06.04vs PIT5.07421L
05.29vs MIL5.03347L
05.23@ CHC6.02036W

SPLITS

Situational splits (2026)

Home

Opp AVG.212
IP39.1
K45
WHIP1.25

Away

Opp AVG.267
IP30.2
K26
WHIP1.43

vs LHP

Opp AVG.260
IP36.1
K36
WHIP1.60

vs RHP

Opp AVG.208
IP33.1
K35
WHIP1.05

RISP

Opp AVG.232
IP15.0
K14
WHIP1.07

YEAR BY YEAR

Year-by-year · Career trends

ERALower is better

▼ Trending up year over year
ERA by yearFrom 9.82 in 2024 to 4.24 in 2026. Lower is better for this stat.2024 ERA: 9.829.8220242025 ERA: 6.3720252026 ERA: 4.244.242026
Show yearly figures
ERA year-by-year details
YearERA
20249.82
20256.37
20264.24

WHIPLower is better

▼ Trending up year over year
WHIP by yearFrom 2.09 in 2024 to 1.33 in 2026. Lower is better for this stat.2024 WHIP: 2.092.0920242025 WHIP: 1.5520252026 WHIP: 1.331.332026
Show yearly figures
WHIP year-by-year details
YearWHIP
20242.09
20251.55
20261.33

Strikeouts

▲ Trending up year over year
Strikeouts by yearFrom 7 in 2024 to 71 in 2026.2024 Strikeouts: 7720242025 Strikeouts: 3920252026 Strikeouts: 71712026
Show yearly figures
Strikeouts year-by-year details
YearStrikeouts
20247
202539
202671
YearTeamGamesERAWinsLossesSavesInningsStrikeoutsWalksWHIP
2024SF49.8200011.0782.09
2025SF86.3724029.239171.55
2026HOU264.2456070.071301.33