Players · Z · Pitcher · 2026 regular season
Ryan Zeferjahn
- Age
- 28
- B/T
- R/R
- Height
- 6' 5"
- Weight
- 209 lb
- Number
- #56
- Born
- February 28, 1998 in Topeka, KS, United States
- MLB debut
- August 25, 2024
- Drafted
- 2019, round 3
- College
- Kansas
- High school
- Seaman
- dbWAR
- .6 Regular season, 3 season(s)
- IP
- 69.2
- ERA
- 3.88
- FIP
- 3.82
- K/9
- 12.1
- FIP−
- 91 100 = avg
Ryan Zeferjahn is a relief pitcher for the Los Angeles Angels. In 2026 he struck out 94 batters over 69.2 innings across 65 appearances, going 4-4. His ERA of 3.88 was 7.3% lower than the league average of 4.18 — 10th of 22 on his team, and 243rd of 539 among MLB pitchers with 20+ innings. Stripping out defence, his 3.82 FIP suggests the ERA was no fluke. He missed bats on 32.0% of swings (13.5% of every pitch he threw), walked 13.2% of the batters he faced and struck out 30.9%. His 0.6 dbWAR is built from that FIP rather than runs allowed, so it credits him for what he controls and not for the defence behind him.
League context
Percentile among qualified pitchers, 2026 regular season.
WAR by season
Pitching Regular season
Standard and advanced, by season. Regular-season games only — postseason games are listed separately below.
Separate from the regular season
Postseason Postseason
Wild Card through World Series. These games are counted on their own: none of them are in the regular-season tables, career totals, league context, leaderboards or dbWAR on this page.
Postseason pitching
| Season | Team | Round | G | GS | IP | W | L | SV | H | ER | HR | BB | SO | ERA | WHIP | K/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 Post | CHC | Wild Card · through Sep 30 | 1 | 0 | 1.1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 2 | 0.00 | 1.50 | 13.5 |
Box-score and rate statistics only. wOBA, wRC+, FIP and dbWAR are measured against a full league season, and a postseason is a few teams playing each other for a month, so they are not computed for October.
Platoon splits
How left- and right-handed hitters fare against him.
| Split | PA | AB | H | HR | BB | SO | AVG | OBP | SLG | wOBA | K% |
|---|---|---|---|---|---|---|---|---|---|---|---|
| vs LHB | 137 | 111 | 23 | 5 | 20 | 41 | .207 | .346 | .387 | .323 | 29.9% |
| vs RHB | 166 | 140 | 26 | 2 | 19 | 53 | .186 | .303 | .271 | .271 | 31.9% |
Pitch sequencing
What Ryan Zeferjahn throws in each count, and what he follows each pitch with. Select any cell for the breakdown.
Select a count to see exactly what Ryan Zeferjahn throws in it.
Pitch arsenal
What he throws, how hard, how often it misses, and what hitters do with it.
| Sweeper | 504 | 85.5 | 2,689 | 52.8% | 37.4% | 107 | .150 | .578 | |
| Four-Seam Fastball | 412 | 97.5 | 2,279 | 45.9% | 36.2% | 69 | .203 | .624 | |
| Sinker | 200 | 96.4 | 2,066 | 41.5% | 12.7% | 39 | .256 | .718 | |
| Slider | 122 | 88.7 | 2,540 | 45.1% | 21.1% | 28 | .250 | .704 | |
| Curveball | 29 | 84.4 | 2,709 | 31.0% | 45.5% | 7 | — | — | |
| Unknown | 10 | 54.8 | 1,090 | 30.0% | 100.0% | 1 | — | — |
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Similar players
Nearest 2026 seasons by command, run prevention and role, on rate statistics rather than totals.
wOBA uses linear weights measured from this season's own play-by-play rather than published constants, and wRC+ is park-adjusted against that same league. dbWAR is our own open implementation — not fWAR or bWAR — and the full derivation, including its simplifications, is on the methodology page.