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Relief Pitcher · Los Angeles Angels

Ryan Zeferjahn

RHP · Throws Right · Age 28Reliever

ERA

4.06

FIP

–

57.2

W-L

4-4

WHIP

1.30

32.0

BB%

14.1

GB%

–

K/9

12.8

HR/9

1.1

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

33% of pitches · .282 xwOBA allowed · 186 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 (33% usage) has allowed .282 xwOBA over 186 balls in play — his most-used pitch.

Arsenal

usage × whiff, ranked

7 pitch types · 2,367-pitch sample · 2026/2025/2024 blend, weighted 4/3/1

Four-Seam Fastball FF

33% usage · 26% whiff · .282 xwOBA · 97.3 mph

Sweeper ST

31% usage · 36% whiff · .244 xwOBA · 85.1 mph

Slider SL

14% usage · 26% whiff · .370 xwOBA · 87.8 mph

Cutter FC

11% usage · 27% whiff · .411 xwOBA

Sinker SI

9% usage · 8% whiff · .350 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	26.7	.309	245
vs. RHB	31.6	.290	300

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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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