Spencer Schwellenbach played in Major League Baseball from 2024 to 2025, appearing in 38 games over 2 seasons. He recorded a total of 15 W and 11 L, an ERA of 3.23, 235 SO, a WHIP of 1.007, and a WAR of 4.9.
🧾 Basic Profile
 | |
| Name | Spencer Schwellenbach |
| Date of Birth | May 31, 2000 |
| Nationality |  United States |
| Position | Pitcher |
| Throws | Right |
| Bats | Right |
| MLB Debut | 2024 |
Spencer Schwellenbach Yearly Pitching Stats
This chart shows the season-by-season changes in ERA, SO, and IP for Spencer Schwellenbach.
Parsing Data
Data Source: Baseball Reference
📊 Career Summary
Spencer Schwellenbach appeared in 38 games over 2 MLB seasons from 2024 to 2025. Below are his cumulative stats and MLB all-time rankings:
| GS | 38 (MLB Rank: 2,777) |
| W | 15 (MLB Rank: 3,454) |
| L | 11 (MLB Rank: 4,268) |
| ERA | 3.23 (MLB Rank: 1,834) |
| IP | 234.1 (MLB Rank: 3,977) |
| CG | 1 (MLB Rank: 3,975) |
| SO | 235 (MLB Rank: 2,950) |
| BB | 41 (MLB Rank: 5,644) |
| H | 195 (MLB Rank: 4,344) |
| HR | 27 (MLB Rank: 3,210) |
| SO9 | 9.03 (MLB Rank: 985) |
| BB9 | 1.57 (MLB Rank: 11,102) |
| H9 | 7.49 (MLB Rank: 10,662) |
| HR9 | 1.04 (MLB Rank: 3,708) |
| WHIP | 1.007 (MLB Rank: 11,431) |
| WAR | 4.9 (MLB Rank: 2,143) |
📊 Last Season Summary (2025)
In his final season (2025), Spencer Schwellenbach recorded the following stats:
| GS | 17 |
| W | 7 |
| L | 4 |
| ERA | 3.09 |
| IP | 110.2 |
| CG | 1 |
| SO | 108 |
| BB | 18 |
| H | 89 |
| HR | 13 |
| SO9 | 8.78 |
| BB9 | 1.46 |
| H9 | 7.24 |
| HR9 | 1.06 |
| WHIP | 0.967 |
| WAR | 2.2 |
📈 Seasonal Highlights
- Most Wins: 2024, 8 W
- Most SO: 2024, 127 SO
- Most IP: 2024, 123.2 IP
- Best WAR: 2024, 2.7 WAR
- Best ERA: 2025, 3.1 ERA
🎯 Postseason Performance
Spencer Schwellenbach has no postseason appearances.
Spencer Schwellenbach Career Pitching Stats Overview
| season | W | L | ERA | W-L% | SV | SO | IP | WAR | WHIP | HR | H | BB | R | ER | ERA+ | FIP | SO9 | SO/BB | GS | G | GF | CG | SHO | HR9 | H9 | BB9 | BK | HBP | IBB | WP | BF |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2024 | 8 | 7 | 3.35 | 0.533 | 0 | 127 | 123.2 | 2.7 | 1.043 | 14 | 106 | 23 | 49 | 46 | 124 | 3.29 | 9.2 | 5.52 | 21 | 21 | 0 | 0 | 0 | 1 | 7.7 | 1.7 | 0 | 6 | 1 | 3 | 500 |
2025 | 7 | 4 | 3.09 | 0.636 | 0 | 108 | 110.2 | 2.2 | 0.967 | 13 | 89 | 18 | 44 | 38 | 134 | 3.25 | 8.8 | 6 | 17 | 17 | 0 | 1 | 0 | 1.1 | 7.2 | 1.5 | 0 | 2 | 1 | 2 | 434 |
