Spencer Schwellenbach
Pitcher · Career Stats, Bio & Records (2024-2025)
Spencer Schwellenbach is a pitcher who has played in Major League Baseball since 2024 for the Atlanta Braves, a span of 2 seasons. Across 38 career appearances, he has gone 15-11 with a 3.23 ERA and 235 strikeouts. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 5068.9.
- 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
- 6'1" / 200 lb
- MLB Debut
- 2024-05-29
- Jersey
- #56
Full name: Spencer Drew Schwellenbach
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 | ATL | NL | 8 | 7 | 21 | 21 | 0 | 0 | 0 | 123.2 | 106 | 46 | 23 | 127 | 3.35 | 4.08 (+18%) | 2505.6 |
| 2025 | ATL | NL | 7 | 4 | 17 | 17 | 1 | 0 | 0 | 110.2 | 89 | 38 | 18 | 108 | 3.09 | 4.16 (+26%) | 2563.3 |
| Career · 2 seasons | 15 | 11 | 38 | 38 | 1 | 0 | 0 | 234.1 | 195 | 84 | 41 | 235 | 3.23 | — | 5,069 | ||
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 | ATL | NL | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2025 | ATL | NL | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| Career · 2 seasons | 38 | 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 (76 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 21 | 0 | 0 | 0 | 0 | 0 | — |
| Away | 17 | 0 | 0 | 0 | 0 | 0 | — |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 21 | 131.2 | 111 | 43 | 18 | 145 | 2.94 |
| Away | 17 | 102.2 | 84 | 41 | 23 | 90 | 3.59 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-06-28 | ATL | PHI | W | 7.0 | 3 | 1 | 1 | 1 | 12 | 0 |
| 2025-06-23 | ATL | NYN | W | 7.0 | 4 | 2 | 2 | 1 | 4 | 1 |
| 2025-06-17 | ATL | NYN | — | 7.0 | 6 | 4 | 4 | 2 | 8 | 2 |
| 2025-06-11 | ATL | MIL | W | 9.0 | 5 | 2 | 2 | 0 | 9 | 1 |
| 2025-06-06 | ATL | SFG | — | 6.0 | 6 | 4 | 3 | 2 | 4 | 0 |
| 2025-05-31 | ATL | BOS | W | 6.1 | 5 | 0 | 0 | 0 | 11 | 0 |
| 2025-05-25 | ATL | SDP | L | 7.0 | 7 | 4 | 2 | 0 | 11 | 2 |
| 2025-05-18 | ATL | BOS | W | 7.0 | 6 | 4 | 4 | 1 | 3 | 1 |
| 2025-05-13 | ATL | WAS | W | 7.0 | 4 | 2 | 2 | 2 | 3 | 1 |
| 2025-05-08 | ATL | CIN | — | 6.0 | 4 | 1 | 0 | 2 | 6 | 0 |
Fielding Statistics
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 38 |
Spencer Schwellenbach: the record in brief
Spencer Schwellenbach's major league record starts with the debut on May 29, 2024 and remains open, because the career is ongoing. Schwellenbach's only club in the season tables is the Atlanta Braves. Schwellenbach is listed as a pitcher at 6'1" and 200 pounds. The bio says Schwellenbach threw and hit right-handed. Schwellenbach was born on May 31, 2000, in Saginaw, MI, USA. Schwellenbach's full given name, per the bio, is Spencer Drew Schwellenbach.
Schwellenbach has pitched in 38 games, starting 38, and owns a 15-11 record and 3.23 ERA. The same table counts 235 strikeouts. The leagues Schwellenbach pitched in allowed 4.12 earned runs per nine over those seasons, so the career ERA was 21.7% better than average. Schwellenbach won 8 games in 2024, the most of any season listed. Among the heaviest workloads, the lowest ERA was 3.09 in 2025, when the league's was 4.16. Pitcher PIV, the site's era-adjusted run-prevention measure, totals 5,068.9 for Schwellenbach's career.
Retrosheet box scores cover 76 of Schwellenbach's games, and the full game log is linked from the splits section.
Every defensive appearance on record for Schwellenbach, 38 games, came at pitcher. On the mound, the fielding record shows 1 errors alongside 28 putouts and 45 assists.
Frequently Asked Questions about Spencer Schwellenbach
- What years did Spencer Schwellenbach play?
- Spencer Schwellenbach played in Major League Baseball from 2024 to 2025.
- Was Spencer Schwellenbach a pitcher?
- Yes. Spencer Schwellenbach pitched in the major leagues, recording 15 wins and 235 strikeouts.
- What teams has Spencer Schwellenbach played for?
- Spencer Schwellenbach has played for one team, the Atlanta Braves (2024–2025).
- What are Spencer Schwellenbach's career stats?
- In 38 games, Spencer Schwellenbach has gone 15-11 with a 3.23 ERA, 235 strikeouts, and 234.1 innings pitched.
- What position does Spencer Schwellenbach play?
- Spencer Schwellenbach plays primarily as a pitcher, the position where he has appeared in the most games.
- How tall is Spencer Schwellenbach and how much does he weigh?
- Spencer Schwellenbach is listed at 6 feet 1 inch and 200 pounds.
- What number does Spencer Schwellenbach wear?
- Spencer Schwellenbach wears number 56, according to MLB's 2025 roster data.
- What was Spencer Schwellenbach's career ERA?
- Spencer Schwellenbach finished with a 3.23 career ERA, going 15-11 with 235 strikeouts.
- How many strikeouts did Spencer Schwellenbach have?
- Spencer Schwellenbach recorded 235 career strikeouts.