Players / Player profile
BOS · P

Patrick Sandoval

Age 30 B/T L/L 6′3″, 190 lb USA MLB debut 2019
40-man
  • Free agent est. 2 yr × $8.0M ($3M–$15M) · +0.8 wins to Pittsburgh’s Winter Plan as rotation depth
  • Injured list 2026: Left UCL surgery recovery (Mar 25–Jul 6)
Keystone Stuff 106 74th pct
2026 fWAR 1.3
Projected 2027 WAR 1.3 Keystone Marcel+ at 105 IP

Pitching · 2026 percentiles

vs. MLB pitchers with 500+ pitches · 1,219 pitches

Keystone Stuff 106 Keystone Stuff: 106, 74th percentile
Keystone Location 105 Keystone Location: 105, 73rd percentile
Keystone Pitching 101 Keystone Pitching: 101, 57th percentile
Run value (xRV) −0.36 Run value (xRV): −0.36, 25th percentile
Strikeout % 22.7% Strikeout %: 22.7%, 53rd percentile
Walk % 10.0% Walk %: 10.0%, 35th percentile
Whiff % 25.3% Whiff %: 25.3%, 52nd percentile
Chase % 28.4% Chase %: 28.4%, 28th percentile
Fastball velo 93.6 Fastball velo: 93.6, 35th percentile
Extension 6.2 ft Extension: 6.2 ft, 27th percentile
70.1 IP5.12 ERA3.77 FIP 50° arm

Arsenal & Pitch Lab

Movement normalized to arm side · Keystone Stuff by pitch

−20−20−10−100010102020← Glove sideArm side →Rise (IVB, in) →CH4SSLSISTCU
LHP · arm angle 50° · how to read
PitchUseVeloIVBHBStuffLocWhiffxRV/100
Changeup28% use28%83.29.5+14.711010440%+1.98
Four-seam25% use25%93.416.3+7.49311416%−0.18
Slider21% use21%86.74.2−7.31139828%−0.55
Sinker17% use17%93.913.0+13.5989413%−3.81
Sweeper5% use5%80.51.9−16.511310319%−1.78
Curveball4% use4%75.6−11.7−10.4977722%−0.42

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

Most similar pitchers

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

SimilarityPlayerStuff’26 WAR’27 proj2027
59Jeffrey Springs ATH · ’9296−0.40.3Free agent
56Shane McClanahan TB · ’971042.41.9Arb
53Gage Jump ATH · ’031061.71.8Pre-arb
53Robbie Ray SD · ’91960.90.7Free agent
52Carlos Rodón NYY · ’921091.81.5Signed $27.8M

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

Changeup 38%
35% zone
Four-seam 29%
57% zone
Slider 17%
38% zone
Sinker 9%
54% zone
Curveball 6%
31% 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 1.3 WAR Free agent
2028 1.1 WAR Free agent
2029 1.0 WAR Free agent
2030 0.8 WAR Free agent

A pending free agent: no club controls his 2027. Contract Studio →

Minor leagues

MLB Stats API · public box-score data

SeasonLevelLevelTeamAgeGPA / IPPA / IP ·Line
2026AAAAPortland Sea Dogs2928 IP 8 IP · 1.13 ERA · 40.7% K · 7.4% BB
2026AAAAAAWorcester Red Sox29615.2 IP 15.2 IP · 4.60 ERA · 14.7% K · 14.7% BB

ABS challenges · 2026

Baseball Savant

As pitcher 0% 0/1 won · 0.0 runs
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.