Players / Player profile
TOR · P

Spencer Arrighetti

Age 26 B/T R/R 6′2″, 186 lb USA MLB debut 2024
40-man
  • Toronto’s roster as it stands #5 starter · 120 IP · 0.3 WAR in the role
  • Injured list 2026: Right foot nerve irritation (Jul 25–Aug 21)
  • Trade read Available at a price: TOR 46% playoff odds; control through 2030.
Keystone Stuff 109 79th pct
2026 fWAR −0.2
Projected 2027 WAR 0.4 at 129 IP · 0.3 in his 2027 role

Pitching · 2026 percentiles

vs. MLB pitchers with 500+ pitches · 1,942 pitches

Keystone Stuff 109 Keystone Stuff: 109, 79th percentile
Keystone Location 91 Keystone Location: 91, 21st percentile
Keystone Pitching 102 Keystone Pitching: 102, 59th percentile
Run value (xRV) −0.88 Run value (xRV): −0.88, 8th percentile
Strikeout % 21.5% Strikeout %: 21.5%, 42nd percentile
Walk % 13.0% Walk %: 13.0%, 9th percentile
Whiff % 25.5% Whiff %: 25.5%, 54th percentile
Chase % 26.1% Chase %: 26.1%, 10th percentile
Fastball velo 92.3 Fastball velo: 92.3, 18th percentile
Extension 7.3 ft Extension: 7.3 ft, 98th percentile
110.2 IP4.96 ERA5.44 FIP 19° arm

Arsenal & Pitch Lab

Movement normalized to arm side · Keystone Stuff by pitch

−20−20−10−100010102020← Glove sideArm side →Rise (IVB, in) →CU4SSTSICHFC
RHP · arm angle 19° · how to read
PitchUseVeloIVBHBStuffLocWhiffxRV/100
Curveball34% use34%76.5−6.7−17.31098940%+0.28
Four-seam28% use28%92.413.8+11.411010519%−1.43
Sweeper12% use12%79.72.0−16.11058426%+0.31
Sinker11% use11%92.19.1+17.2999310%−3.76
Changeup8% use8%84.24.4+13.6828325%−0.69
Cutter7% use7%87.810.4−1.710810714%−1.41

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

Most similar pitchers

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

SimilarityPlayerStuff’26 WAR’27 proj2027
64Aaron Nola PHI · ’931011.31.0Signed $24.6M
55Jake Irvin WSH · ’97980.50.4Arb
53Joe Ryan MIN · ’961122.52.4Free agent
48Zack Wheeler PHI · ’901094.02.2Signed $42.0M
36Will Warren NYY · ’991022.22.0Pre-arb

Joe Ryan (similarity 53, 2.4 WAR projected for 2027) is a free agent this winter: a similar arsenal available without trading talent, at a free agent’s price. Opportunity Finder →

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

Curveball 38%
34% zone
Four-seam 30%
50% zone
Changeup 13%
29% zone
Cutter 8%
63% zone
Sweeper 7%
39% zone
Sinker 5%
28% 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 0.4 WAR Arbitration $1.1M*
2028 0.4 WAR Arbitration $1.9M*
2029 0.3 WAR Arbitration $2.4M*
2030 0.2 WAR Arbitration $2.7M*

* projected arbitration or minimum salary. Contract Studio →

Minor leagues

MLB Stats API · public box-score data

SeasonLevelLevelTeamAgeGPA / IPPA / IP ·Line
2026AAAAAABuffalo Bisons26520.1 IP 20.1 IP · 1.77 ERA · 30.4% K · 11.4% BB
2025AAAACorpus Christi Hooks2526.1 IP 6.1 IP · 2.84 ERA · 23.1% K · 3.8% BB
2025AAAAAASugar Land Space Cowboys2514.2 IP 4.2 IP · 9.64 ERA · 20.0% K · 16.0% 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.