Players / Player profile
KC · P

Daniel Lynch IV

Age 29 B/T L/L 6′6″, 200 lb USA MLB debut 2021
40-man
  • Kansas City’s roster as it stands on the 40-man, off the 26-man (call-up depth)
  • Trade read Available at a price: KC 39% playoff odds; control through 2028.
Keystone Stuff 98 41st pct
2026 fWAR 0.5
Projected 2027 WAR 0.2 Keystone Marcel+ at 80 IP

Pitching · 2026 percentiles

vs. MLB pitchers with 500+ pitches · 1,300 pitches

Keystone Stuff 98 Keystone Stuff: 98, 41st percentile
Keystone Location 97 Keystone Location: 97, 41st percentile
Keystone Pitching 96 Keystone Pitching: 96, 40th percentile
Run value (xRV) −0.48 Run value (xRV): −0.48, 20th percentile
Strikeout % 15.7% Strikeout %: 15.7%, 8th percentile
Walk % 7.3% Walk %: 7.3%, 72nd percentile
Whiff % 22.1% Whiff %: 22.1%, 24th percentile
Chase % 30.2% Chase %: 30.2%, 49th percentile
Fastball velo 94.1 Fastball velo: 94.1, 44th percentile
Extension 6.4 ft Extension: 6.4 ft, 42nd percentile
86.0 IP4.08 ERA4.51 FIP 40° arm1 SV

Arsenal & Pitch Lab

Movement normalized to arm side · Keystone Stuff by pitch

−20−20−10−100010102020← Glove sideArm side →Rise (IVB, in) →SICHSL4SKC
LHP · arm angle 40° · how to read
PitchUseVeloIVBHBStuffLocWhiffxRV/100
Sinker33% use33%93.99.5+16.01029614%+0.07
Changeup24% use24%85.52.1+13.69210524%−0.78
Slider19% use19%87.33.1−2.510510336%+1.41
Four-seam15% use15%94.515.7+8.5927715%−2.86
Knuckle curve9% use9%81.8−1.5−2.99910521%−1.80
Weak pitch to watch

Changeup grades 92 with below-average expected results; his slider grades 105. The best case is against righties: the slider is worth +0.5 runs per 100 pitches more, 0.6 standard errors (77 and 300 pitches), short of the 2 needed. No mix change until it clears.

Weak pitch to watch

Four-seam grades 92 with below-average expected results; his slider grades 105. The best case is against righties: the slider is worth +0.8 runs per 100 pitches more, 1.0 standard errors (77 and 167 pitches), short of the 2 needed. No mix change until it clears.

Most similar pitchers

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

SimilarityPlayerStuff’26 WAR’27 proj2027
58Wandy Peralta SD · ’91950.40.1Signed $4.5M
49Tim Mayza PHI · ’92940.80.3Signed $2.8M
45José Suarez ATH · ’98950.60.4Free agent
41David Peterson CHC · ’95901.71.9Free agent
41Shane Drohan MIL · ’99972.01.7Pre-arb

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 36%
43% zone
Sinker 22%
49% zone
Four-seam 20%
35% zone
Knuckle curve 13%
45% zone
Slider 9%
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 0.2 WAR Arbitration $2.1M*
2028 0.1 WAR Arbitration $2.5M*
2029 0.0 WAR Free agent
2030 −0.2 WAR Free agent

* projected arbitration or minimum salary. Contract Studio →

Minor leagues

MLB Stats API · public box-score data

SeasonLevelLevelTeamAgeGPA / IPPA / IP ·Line
2025AAAANorthwest Arkansas Naturals2810.2 IP 0.2 IP · 27.00 ERA · 25.0% K · 25.0% BB
2025AAAAAAOmaha Storm Chasers2812 IP 2 IP · 0.00 ERA · 42.9% K · 0.0% 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.