Players / Player profile
SD · P

Kyle Hart

Age 33 B/T L/L 6′5″, 200 lb USA MLB debut 2020
40-man
  • Free agent est. 1 yr × $3.1M ($2M–$7M) if his club option is declined
    2 cautions
    • His $2.5M club option for 2027 is expected to be declined (projected value below it); the decision comes about five days after the World Series.
    • Free agency not confirmed by the contract data: Under six years of service after 2026 (at most 2 years, 22 days): a declined option would leave him under his club's control through arbitration (Keystone's reading of the CBA; the data don't show his contract's terms).
Keystone Stuff 106 73rd pct
2026 fWAR 0.6
Projected 2027 WAR 0.2 Keystone Marcel+ at 60 IP

Pitching · 2026 percentiles

vs. MLB pitchers with 500+ pitches · 1,071 pitches

Keystone Stuff 106 Keystone Stuff: 106, 73rd percentile
Keystone Location 97 Keystone Location: 97, 40th percentile
Keystone Pitching 104 Keystone Pitching: 104, 71st percentile
Run value (xRV) +0.39 Run value (xRV): +0.39, 67th percentile
Strikeout % 22.0% Strikeout %: 22.0%, 46th percentile
Walk % 9.7% Walk %: 9.7%, 39th percentile
Whiff % 22.7% Whiff %: 22.7%, 28th percentile
Chase % 27.6% Chase %: 27.6%, 19th percentile
Fastball velo 93.8 Fastball velo: 93.8, 38th percentile
Extension 6.3 ft Extension: 6.3 ft, 37th percentile
64.0 IP4.92 ERA3.63 FIP 38° arm

Arsenal & Pitch Lab

Movement normalized to arm side · Keystone Stuff by pitch

−20−20−10−100010102020← Glove sideArm side →Rise (IVB, in) →SISTFSSL4S
LHP · arm angle 38° · how to read
PitchUseVeloIVBHBStuffLocWhiffxRV/100
Sinker32% use32%93.78.2+16.1988615%+1.23
Sweeper25% use25%83.21.3−16.311911124%+0.39
Splitter20% use20%85.5−2.2+8.2978339%+1.20
Slider14% use14%89.26.0−2.910611619%−0.89
Four-seam9% use9%94.114.8+8.3931055%−2.48

No mix change or new pitch clears its bar. The arsenal is efficient for its shapes.

Most similar pitchers

Pitches like Hart: same hand, shape, slot and mix

SimilarityPlayerStuff’26 WAR’27 proj2027
45JoJo Romero MIL · ’961060.20.3Free agent
44Cade Gibson MIA · ’981070.20.3—
42Justin Bruihl STL · ’971060.30.2—
36Taylor Rogers MIN · ’901050.20.0Free agent
32Sean Newcomb CWS · ’931001.70.9Free agent

Same-handed pitchers nearest on fastball velocity and shape, arm angle, extension, pitch mix, secondary shapes, Stuff, whiff rate and workload. 2026 regulars only.

Pitch locations · 2026

Where each pitch finishes, by batter side

Sinker 34%
44% zone
Splitter 32%
21% zone
Sweeper 19%
47% zone
Slider 13%
57% zone

Where each pitch finishes, catcher’s view. The bar marks the batter’s side; the box is an average strike zone. Pitches with 40+ thrown to this side.

Contract & projection

Club control (RosterResource) · Keystone projected WAR

2027 0.2 WAR Club option $2.5M
2028 0.0 WAR Free agent
2029 −0.1 WAR Free agent
2030 −0.2 WAR Free agent

His 2027 is a $2.5M club option, decided by San Diego ≈ Nov 1–5. The Free-Agent Board expects it declined, so it prices him as a free agent. Caution: Under six years of service after 2026 (at most 2 years, 22 days): a declined option would leave him under his club's control through arbitration (Keystone's reading of the CBA; the data don't show his contract's terms). Contract Studio →

Minor leagues

MLB Stats API · public box-score data

SeasonLevelLevelTeamAgeGPA / IPPA / IP ·Line
2026AAAAAAEl Paso Chihuahuas331114.2 IP 14.2 IP · 7.36 ERA · 22.7% K · 13.6% BB
2025AAAAAAEl Paso Chihuahuas322063.2 IP 63.2 IP · 4.10 ERA · 18.5% K · 12.1% BB
Keystone is an independent portfolio project. It is not affiliated with Major League Baseball or any club. Data: MLB Stats API, Baseball Savant, FanGraphs. Used under their terms for individual, non-commercial use.