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Relief Pitcher · Los Angeles Angels

Ryan Zeferjahn

RHP · Throws Right · Age 28Reliever
ERA
3.88
FIP
–
IP
69.2
W-L
4-4
WHIP
1.28
K%
30.9
BB%
13.2
GB%
–
K/9
12.1
HR/9
0.9
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.

Sweeper

ST · lead pitch

33% of pitches · .234 xwOBA allowed · 193 BIP · where it goes, what it costs

Pitcher Locations
where he throws it · catcher’s view
2%2%0%0%0%3%3%5%4%1%4%8%11%15%9%1%2%4%4%4%1%2%3%6%8%
Rare 0% · Common 10% · Very common 20%+
xwOBA Allowed
damage done by zone · all batters
.719.296–––.380.239.083.307.354.116.168.419.245.084.000.000.485.228.020–.025.203.137.195
Cold .200 · Avg .310 · Hot .500+
Expected Damage
locations × damage zones
.015.006–––.010.007.004.012.004.004.013.046.036.007.000.000.020.010.001–.001.007.008.015
Low risk · Average · High-risk zone
Sweeper (33% usage) has allowed .234 xwOBA over 193 balls in play — his most-used pitch.

Arsenal

usage × whiff, ranked

7 pitch types · 2,584-pitch sample · 2026/2025/2024 blend, weighted 4/3/1

Sweeper ST
33% usage · 34% whiff · .234 xwOBA · 85.4 mph
Four-Seam Fastball FF
31% usage · 26% whiff · .286 xwOBA · 97.4 mph
Slider SL
13% usage · 26% whiff · .367 xwOBA · 87.9 mph
Sinker SI
10% usage · 10% whiff · .310 xwOBA · 96.4 mph
Cutter FC
10% usage · 27% whiff · .411 xwOBA
Unknown UN
2% usage · .255 xwOBA
SV SV
1% usage · .152 xwOBA
Whiff% Trend
last 8 outings · by pitch · min 5 swings per point
010203040509/59/79/129/149/169/199/229/30
SweeperFour-Seam FastballSlider
Hand Splits
K% + xwOBA allowed by batter side · 2026/2025/2024 blend, weighted 4/3/1
SplitK%xwOBASample
vs. LHB26.7 .305 260
vs. RHB31.1 .279 335
Live · client-hydrated

Market lines

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

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Live · client-hydrated

DFS picks

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

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