Kai-Wei Teng
Pitcher · Career Stats, Bio & Records (2024-2026)
Kai-Wei Teng is a pitcher who has played in Major League Baseball since 2024 for the San Francisco Giants and the Houston Astros, a span of 3 seasons. Across 42 career appearances, he has gone 7-11 with a 5.67 ERA and 119 strikeouts.
- W (Wins):
- Games credited to a pitcher whose team took a lead it never surrendered while he was the pitcher of record.
- ERA (Earned Run Average):
- Earned runs allowed per nine innings pitched: (ER × 9) ÷ IP. The primary measure of pitching effectiveness.
- SO (Strikeouts):
- For a batter, times retired on a third strike; for a pitcher, batters retired on a third strike.
- WHIP (Walks and Hits per Inning Pitched):
- Baserunners allowed per inning: (BB + H) ÷ IP. Under 1.00 is elite.
Data updated
- Position
- Pitcher
- Bats / Throws
- R / R
- Height / Weight
- 6'4" / 241 lb
- MLB Debut
- 2024-03-31
- Jersey
- #17
Season-by-Season Pitching
Click a stat to plot it across every season.
| Year | Team | Lg | W | L | G | GS | CG | SHO | SV | IP | H | ER | BB | SO | ERA | Lg ERA | Pitcher PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | SFN | NL | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 11.0 | 15 | 12 | 8 | 7 | 9.82 | 4.08 (-141%) | -724.3 |
| 2025 | SFN | NL | 2 | 4 | 8 | 7 | 0 | 0 | 0 | 29.2 | 29 | 21 | 17 | 39 | 6.37 | 4.16 (-53%) | 260.6 |
| 2026 | HOU | AL | 5 | 7 | 30 | 10 | 0 | 0 | 0 | 73.2 | 69 | 39 | 33 | 73 | 4.76 | 4.18 (-14%) | - |
| Career · 3 seasons | 7 | 11 | 42 | 17 | 0 | 0 | 0 | 114.1 | 113 | 72 | 58 | 119 | 5.67 | — | -464 | ||
Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.
Season-by-Season Batting
Click a stat to plot it across every season.
| Year | Team | Lg | G | AB | R | H | 2B | 3B | HR | RBI | SB | BB | SO | AVG | Lg AVG | Lg OBP | Lg SLG | Lg OPS | PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | SFN | NL | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2025 | SFN | NL | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| Career · 2 seasons | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | — | — | — | — | — | 0 | ||
Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.
Game Log & Splits
View full game log (24 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 4 | 0 | 0 | 0 | 0 | 0 | — |
| Away | 8 | 0 | 0 | 0 | 0 | 0 | — |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 4 | 11.0 | 14 | 13 | 10 | 6 | 10.64 |
| Away | 8 | 29.2 | 30 | 20 | 15 | 40 | 6.07 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-09-20 | SFG | LAD | — | 3.0 | 1 | 2 | 2 | 2 | 6 | 1 |
| 2025-09-15 | SFG | AZ | — | 4.0 | 2 | 1 | 0 | 1 | 5 | 0 |
| 2025-09-07 | SFG | STL | L | 4.0 | 3 | 4 | 4 | 5 | 8 | 0 |
| 2025-09-01 | SFG | COL | W | 5.1 | 9 | 2 | 2 | 0 | 8 | 0 |
| 2025-08-19 | SFG | SDP | L | 3.1 | 3 | 3 | 2 | 1 | 4 | 0 |
| 2025-08-13 | SFG | SDP | L | 1.2 | 4 | 7 | 6 | 4 | 0 | 0 |
| 2025-08-08 | SFG | WAS | W | 5.0 | 3 | 0 | 0 | 1 | 4 | 0 |
| 2025-08-02 | SFG | NYN | L | 3.1 | 4 | 5 | 5 | 3 | 4 | 1 |
| 2024-04-19 | SFG | AZ | — | 1.0 | 4 | 5 | 5 | 3 | 0 | 0 |
| 2024-04-14 | SFG | TBR | — | 3.2 | 4 | 2 | 2 | 0 | 1 | 2 |
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 12 |
Kai-Wei Teng: the record in brief
Active since a debut on March 31, 2024, Kai-Wei Teng has a record on this page that is still being added to. Every season row on the page belongs to the San Francisco Giants, from 2024 through 2025. Teng played primarily as a pitcher and batted and threw right-handed. Born on December 1, 1998, in Taichung City, Taichung City, Taiwan, Teng was listed at 241 pounds on a 6-foot-4 frame.
Teng has gone 7-11 with a 5.67 ERA in 42 games, 17 of them starts. The same table counts 119 strikeouts. The league ERA over Teng's seasons was 4.14, so the 5.67 figure ran 37.0% worse than average. The best win total was 5, in 2026. Among the heaviest workloads, the lowest ERA was 4.76 in 2026, when the league's was 4.18.
Every defensive appearance on record for Teng, 12 games, came at pitcher. Fielding on the mound produced 4 putouts and 3 assists against 1 errors.
The game-log section draws on 24 games of Retrosheet box scores for Teng.
Frequently Asked Questions about Kai-Wei Teng
- What years did Kai-Wei Teng play?
- Kai-Wei Teng played in Major League Baseball from 2024 to 2026.
- Was Kai-Wei Teng a pitcher?
- Yes. Kai-Wei Teng pitched in the major leagues, recording 7 wins and 119 strikeouts.
- What teams has Kai-Wei Teng played for?
- Kai-Wei Teng has played for 2 teams: the San Francisco Giants (2024–2025) and the Houston Astros (2026).
- What are Kai-Wei Teng's career stats?
- In 42 games, Kai-Wei Teng has gone 7-11 with a 5.67 ERA, 119 strikeouts, and 114.1 innings pitched.
- What position does Kai-Wei Teng play?
- Kai-Wei Teng plays primarily as a pitcher, the position where he has appeared in the most games.
- How tall is Kai-Wei Teng and how much does he weigh?
- Kai-Wei Teng is listed at 6 feet 4 inches and 241 pounds.
- What number does Kai-Wei Teng wear?
- Kai-Wei Teng wears number 17, according to MLB's 2026 roster data.
- What was Kai-Wei Teng's career ERA?
- Kai-Wei Teng finished with a 5.67 career ERA, going 7-11 with 119 strikeouts.
- How many strikeouts did Kai-Wei Teng have?
- Kai-Wei Teng recorded 119 career strikeouts.