Relief Pitcher · Tampa Bay Rays
Jonathan Heasley
ERA
11.25
FIP
–
IP
4.0
W-L
0-0
WHIP
2.00
K%
10.5
BB%
0.0
GB%
–
K/9
4.5
HR/9
4.5
Drafted by the Kansas City Royals in 2018 (round 13), he was signed by the Tampa Bay Rays in free agency in April 2026. He made his MLB debut on September 17, 2021.Facts: MLB StatsAPI (people · transactions)
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Four-Seam Fastball
FF · lead pitch34% of pitches · .535 xwOBA allowed · 20 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 (34% usage) has allowed .535 xwOBA over 20 balls in play — his most-used pitch.
Arsenal
usage × whiff, ranked5 pitch types · 193-pitch sample · 2026/2024 blend, weighted 4/3/1
Whiff% Trend
last 2 outings · by pitch · min 5 swings per point
Four-Seam FastballSliderChangeup
Hand Splits
K% + xwOBA allowed by batter side · 2026/2024 blend, weighted 4/3/1
| Split | K% | xwOBA | Sample |
|---|---|---|---|
| vs. LHB | – | – | 16 |
| vs. RHB | 10.1 | .447 | 32 |
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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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