Players / Player profile
NYY · P

John Schreiber

Age 32 B/T R/R 6′2″, 224 lb USA MLB debut 2019
40-man
  • Free agent est. 1 yr × $1.9M ($985K–$5M)
Keystone Stuff 98 40th pct
2026 fWAR −0.2
Projected 2027 WAR 0.1 Keystone Marcel+ at 66 IP

Pitching · 2026 percentiles

vs. MLB pitchers with 500+ pitches · 997 pitches

Keystone Stuff 98 Keystone Stuff: 98, 40th percentile
Keystone Location 90 Keystone Location: 90, 18th percentile
Keystone Pitching 95 Keystone Pitching: 95, 32nd percentile
Run value (xRV) +0.06 Run value (xRV): +0.06, 46th percentile
Strikeout % 16.3% Strikeout %: 16.3%, 10th percentile
Walk % 10.6% Walk %: 10.6%, 27th percentile
Whiff % 20.9% Whiff %: 20.9%, 15th percentile
Chase % 28.0% Chase %: 28.0%, 24th percentile
Fastball velo 93.6 Fastball velo: 93.6, 34th percentile
Extension 6.4 ft Extension: 6.4 ft, 50th percentile
60.1 IP3.28 ERA4.62 FIP 9° arm2 SV

Arsenal & Pitch Lab

Movement normalized to arm side · Keystone Stuff by pitch

−20−20−10−100010102020← Glove sideArm side →Rise (IVB, in) →4SSTSIFCCH
RHP · arm angle 9° · how to read
PitchUseVeloIVBHBStuffLocWhiffxRV/100
Four-seam28% use28%93.810.1+10.61009725%+0.68
Sweeper27% use27%82.41.4−14.7949227%−0.58
Sinker26% use26%93.3−1.7+15.91039314%−0.31
Cutter13% use13%89.65.3+0.2948718%+0.95
Changeup7% use7%86.7−4.1+9.81009615%−0.18

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

Most similar pitchers

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

SimilarityPlayerStuff’26 WAR’27 proj2027
63Grant Anderson MIL · ’97960.20.1Arb
41Greg Weissert BOS · ’951000.30.3Arb
37Paul Sewald TOR · ’90103−0.5−0.1Free agent
33Casey Legumina TB · ’971050.40.2Pre-arb
29Zach Agnos COL · ’00870.10.1—

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

Sweeper 34%
42% zone
Sinker 31%
54% zone
Four-seam 28%
42% 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 0.1 WAR Free agent
2028 0.0 WAR Free agent
2029 −0.1 WAR Free agent
2030 −0.3 WAR Free agent

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

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.