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Relief Pitcher · Los Angeles Angels

Ryan Zeferjahn

RHP · Throws Right · Age 28Reliever

ERA

3.89

FIP

–

41.2

W-L

4-3

WHIP

1.27

31.5

BB%

16.8

GB%

–

K/9

12.5

HR/9

0.7

Drafted by the Boston Red Sox in 2019 (round 3), he was acquired by the Los Angeles Angels via trade from the Boston Red Sox in July 2024. He made his MLB debut on August 25, 2024.Facts: MLB StatsAPI (people · transactions)

No scheduled start today. The model projection and lineup matchup appear on start days.

Four-Seam Fastball

FF · lead pitch

30% of pitches · .289 xwOBA allowed · 158 BIP · where it goes, what it costs

Pitcher Locations

where he throws it · catcher’s view

Rare 0% · Common 10% · Very common 20%+

xwOBA Allowed

damage done by zone · all batters

Cold .200 · Avg .310 · Hot .500+

Expected Damage

locations × damage zones

Low risk · Average · High-risk zone

Four-Seam Fastball (30% usage) has allowed .289 xwOBA over 158 balls in play — his most-used pitch.

Arsenal

usage × whiff, ranked

7 pitch types · 2,117-pitch sample · 2026/2025/2024 blend, weighted 4/3/1

Four-Seam Fastball FF

30% usage · 25% whiff · .289 xwOBA · 97.4 mph

Sweeper ST

30% usage · 37% whiff · .227 xwOBA · 85.1 mph

Slider SL

15% usage · 26% whiff · .370 xwOBA · 87.7 mph

Cutter FC

13% usage · 27% whiff · .411 xwOBA

Sinker SI

9% usage · 9% whiff · .367 xwOBA · 96.0 mph

Unknown UN

2% usage · .255 xwOBA

SV SV

1% usage · .152 xwOBA

Whiff% Trend

last 8 outings · by pitch · min 5 swings per point

Four-Seam FastballSweeperSlider

Hand Splits

K% + xwOBA allowed by batter side · 2026/2025/2024 blend, weighted 4/3/1

Split	K%	xwOBA	Sample
vs. LHB	27.6	.293	214
vs. RHB	30.3	.306	275

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Market lines

current pick’em lines by book · updates through the day

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DFS picks

today’s picks for this pitcher, probability-sorted · graded nightly

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