Kyle Leahy
Pitcher · Career Stats, Bio & Records (2023-2026)
Kyle Leahy is a pitcher who has played in Major League Baseball since 2023 for the St. Louis Cardinals and the St. Louis Cardinals, a span of 4 seasons. Across 128 career appearances, he has gone 15-9 with a 3.65 ERA and 247 strikeouts. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 3136.2.
- 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
- B / R
- Height / Weight
- 6'5" / 200 lb
- MLB Debut
- 2023-07-07
- Jersey
- #62
Full name: Kyle Yandow Leahy
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | SLN | NL | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 1.2 | 4 | 4 | 5 | 2 | 21.60 | — | 0.0 |
| 2024 | SLN | NL | 1 | 1 | 33 | 0 | 0 | 0 | 1 | 48.2 | 40 | 22 | 10 | 33 | 4.07 | 4.08 (avg) | 640.5 |
| 2025 | SLN | NL | 4 | 2 | 62 | 1 | 0 | 0 | 1 | 88.0 | 80 | 30 | 28 | 80 | 3.07 | 4.16 (+26%) | 2495.8 |
| 2026 | STL | NL | 10 | 5 | 30 | 30 | 0 | 0 | 0 | 140.0 | 147 | 57 | 41 | 132 | 3.66 | 4.18 (+12%) | - |
| Career · 4 seasons | 15 | 9 | 128 | 31 | 0 | 0 | 2 | 278.1 | 271 | 113 | 84 | 247 | 3.65 | — | 3,136 | ||
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | SLN | NL | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2024 | SLN | NL | 33 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2025 | SLN | NL | 62 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| Career · 3 seasons | 98 | 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 (196 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 48 | 0 | 0 | 0 | 0 | 0 | — |
| Away | 50 | 0 | 0 | 0 | 0 | 0 | — |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 48 | 66.1 | 66 | 30 | 21 | 45 | 4.07 |
| Away | 50 | 72.0 | 58 | 26 | 22 | 70 | 3.25 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-09-28 | STL | CHC | — | 3.0 | 1 | 0 | 0 | 0 | 1 | 0 |
| 2025-09-24 | STL | SFG | — | 1.0 | 2 | 0 | 0 | 0 | 2 | 0 |
| 2025-09-22 | STL | SFG | — | 1.0 | 0 | 0 | 0 | 1 | 1 | 0 |
| 2025-09-20 | STL | MIL | — | 2.0 | 1 | 0 | 0 | 0 | 1 | 0 |
| 2025-09-15 | STL | CIN | — | 1.0 | 4 | 4 | 4 | 1 | 2 | 0 |
| 2025-09-13 | STL | MIL | L | 1.1 | 3 | 2 | 1 | 0 | 1 | 0 |
| 2025-09-09 | STL | SEA | — | 2.0 | 2 | 0 | 0 | 0 | 3 | 0 |
| 2025-09-06 | STL | SFG | — | 2.0 | 2 | 0 | 0 | 0 | 1 | 0 |
| 2025-09-03 | STL | OAK | — | 2.0 | 3 | 1 | 1 | 1 | 2 | 1 |
| 2025-08-30 | STL | CIN | SV | 1.1 | 2 | 0 | 0 | 0 | 0 | 0 |
Fielding Statistics
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 98 |
Kyle Leahy: the record in brief
Active since a debut on July 7, 2023, Kyle Leahy has a record on this page that is still being added to. Leahy spent the whole of the career shown here with one club, the St. Louis Cardinals. Leahy is listed as a pitcher at 200 pounds on a 6-foot-5 frame. Leahy switch-hit and threw right-handed, per the bio block. Leahy was born on June 4, 1997, in Boulder, CO, USA. Kyle Leahy was the playing name; the full given name is Kyle Yandow.
Across 128 games (31 starts), Leahy has recorded 15 wins against 9 losses with a 3.65 ERA. The same table counts 247 strikeouts. The leagues Leahy pitched in allowed 4.19 earned runs per nine over those seasons, so the career ERA was 12.7% better than average. 2026 brought Leahy a season-high 10 wins. In 2025, one of the busiest seasons, Leahy posted a 3.07 ERA; the league figure that year was 4.16. Leahy's career Pitcher PIV, which scores run prevention against each season's league, is 3,136.2.
The position breakdown shows 98 games, all at pitcher. The fielding table credits Leahy with 7 putouts, 12 assists and 2 errors on the mound.
The game-log section draws on 196 games of Retrosheet box scores for Leahy.
Frequently Asked Questions about Kyle Leahy
- What years did Kyle Leahy play?
- Kyle Leahy played in Major League Baseball from 2023 to 2026.
- Was Kyle Leahy a pitcher?
- Yes. Kyle Leahy pitched in the major leagues, recording 15 wins and 247 strikeouts.
- What teams has Kyle Leahy played for?
- Kyle Leahy has played for one team, the St. Louis Cardinals (2023–2026).
- What are Kyle Leahy's career stats?
- In 128 games, Kyle Leahy has gone 15-9 with a 3.65 ERA, 247 strikeouts, 278.1 innings pitched, and 2 saves.
- What position does Kyle Leahy play?
- Kyle Leahy plays primarily as a pitcher, the position where he has appeared in the most games.
- How tall is Kyle Leahy and how much does he weigh?
- Kyle Leahy is listed at 6 feet 5 inches and 200 pounds.
- What number does Kyle Leahy wear?
- Kyle Leahy wears number 62, according to MLB's 2026 roster data.
- What was Kyle Leahy's career ERA?
- Kyle Leahy finished with a 3.65 career ERA, going 15-9 with 247 strikeouts.
- How many strikeouts did Kyle Leahy have?
- Kyle Leahy recorded 247 career strikeouts.