Ryan Zeferjahn
Pitcher · Career Stats, Bio & Records (2024-2026)
Ryan Zeferjahn is a pitcher who has played in Major League Baseball since 2024 for the Los Angeles Angels of Anaheim and the Chicago Cubs, a span of 3 seasons. Across 139 career appearances, he has gone 10-9 with a 4.01 ERA and 185 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
- 6'5" / 209 lb
- MLB Debut
- 2024-08-25
Full name: Ryan Joseph Zeferjahn
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 | LAA | AL | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 17.0 | 7 | 4 | 6 | 18 | 2.12 | 4.08 (+48%) | 689.8 |
| 2025 | LAA | AL | 6 | 5 | 62 | 1 | 0 | 0 | 2 | 57.0 | 49 | 30 | 35 | 73 | 4.74 | 4.16 (-14%) | -1716.7 |
| 2026 | CHC | NL | 4 | 4 | 65 | 0 | 0 | 0 | 7 | 69.2 | 49 | 30 | 40 | 94 | 3.88 | 4.18 (+7%) | - |
| Career · 3 seasons | 10 | 9 | 139 | 1 | 0 | 0 | 9 | 143.2 | 105 | 64 | 81 | 185 | 4.01 | — | -1,027 | ||
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 | LAA | AL | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2025 | LAA | AL | 62 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| Career · 2 seasons | 74 | 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 (148 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 39 | 0 | 0 | 0 | 0 | 0 | — |
| Away | 35 | 0 | 0 | 0 | 0 | 0 | — |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 39 | 37.2 | 22 | 11 | 18 | 44 | 2.63 |
| Away | 35 | 36.1 | 34 | 23 | 23 | 47 | 5.70 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-09-28 | LAA | HOU | — | 1.0 | 1 | 0 | 0 | 1 | 1 | 0 |
| 2025-09-25 | LAA | KCR | — | 1.0 | 2 | 1 | 1 | 1 | 0 | 0 |
| 2025-09-23 | LAA | KCR | — | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2025-09-05 | LAA | OAK | — | 0.2 | 1 | 1 | 1 | 2 | 1 | 0 |
| 2025-09-04 | LAA | KCR | L | 1.0 | 1 | 1 | 1 | 0 | 1 | 1 |
| 2025-09-01 | LAA | HOU | — | 1.0 | 0 | 0 | 0 | 1 | 2 | 0 |
| 2025-08-29 | LAA | HOU | — | 1.0 | 1 | 1 | 1 | 1 | 0 | 0 |
| 2025-08-26 | LAA | TEX | — | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 2025-08-24 | LAA | CHC | — | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 2025-08-23 | LAA | CHC | — | 1.0 | 1 | 0 | 0 | 0 | 1 | 0 |
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 74 |
Ryan Zeferjahn: the record in brief
Active since a debut on August 25, 2024, Ryan Zeferjahn has a record on this page that is still being added to. All of the seasons listed were played for the Los Angeles Angels of Anaheim. Born on February 28, 1998, in Topeka, KS, USA, Zeferjahn is listed as a pitcher and threw and hit right-handed. Zeferjahn's listed size is 6'5" and 209 pounds. On the record, Ryan Zeferjahn was born Ryan Joseph Zeferjahn.
Zeferjahn has pitched in 139 games, starting 1, and owns a 10-9 record and 4.01 ERA. Zeferjahn has 185 strikeouts. Zeferjahn's 4.01 ERA was close to the 4.14 league figure for those seasons. 2025 brought Zeferjahn a season-high 6 wins. Zeferjahn struck out 94 batters in 2026, a career high. 2026 was Zeferjahn's sharpest full season, a 3.88 ERA against the league's 4.18.
Every defensive appearance on record for Zeferjahn, 74 games, came at pitcher. The fielding table credits Zeferjahn with 7 putouts, 8 assists and 0 errors on the mound.
Zeferjahn's game-by-game log, linked below the splits, holds 148 games from Retrosheet.
Frequently Asked Questions about Ryan Zeferjahn
- What years did Ryan Zeferjahn play?
- Ryan Zeferjahn played in Major League Baseball from 2024 to 2026.
- Was Ryan Zeferjahn a pitcher?
- Yes. Ryan Zeferjahn pitched in the major leagues, recording 10 wins and 185 strikeouts.
- What was Ryan Zeferjahn's career ERA?
- Ryan Zeferjahn finished with a 4.01 career ERA, going 10-9 with 185 strikeouts.
- How many strikeouts did Ryan Zeferjahn have?
- Ryan Zeferjahn recorded 185 career strikeouts.
- Is Ryan Zeferjahn in the Hall of Fame?
- No. Ryan Zeferjahn has not been inducted into the National Baseball Hall of Fame.
- What teams did Ryan Zeferjahn play for?
- Ryan Zeferjahn played for the Los Angeles Angels of Anaheim and the Chicago Cubs.