TEX · P

Jack Leiter

Age 26 B/T R/R 6′1″, 205 lb USA MLB debut 2024

40-man

Texas’ roster as it stands #4 starter · 118 IP · 1.1 WAR in the role
Injured list Ended 2026 on the 60-day IL: Right ankle posterior impingement (since Jun 21)
Trade read Available at a price: TEX 25% playoff odds; control through 2030.

Keystone Stuff 103 61st pct

2026 fWAR 0.5

Projected 2027 WAR 1.2 at 125 IP · 1.1 in his 2027 role

Pitching · 2026 percentiles

vs. MLB pitchers with 500+ pitches · 1,397 pitches

Keystone Stuff 103

Keystone Location 96

Keystone Pitching 100

Run value (xRV) −0.50

Strikeout % 23.4%

Walk % 9.9%

Whiff % 25.4%

Chase % 30.4%

Fastball velo 96.5

Extension 6.7 ft

80.0 IP5.29 ERA4.76 FIP 46° arm

Arsenal & Pitch Lab

Movement normalized to arm side · Keystone Stuff by pitch

RHP · arm angle 46° · how to read

Pitch	Use	Velo	IVB	HB	Stuff	Loc	Whiff	xRV/100
Four-seam39% use	39%	96.7	17.4	+8.1	102	104	22%	+0.38
Slider18% use	18%	86.5	−0.9	−3.3	108	104	33%	−0.83
Changeup17% use	17%	90.0	4.3	+12.7	107	87	30%	−1.37
Cutter10% use	10%	93.0	11.2	−1.0	96	77	23%	−0.90
Curveball9% use	9%	81.9	−12.4	−4.3	92	90	38%	−1.17
Sinker7% use	7%	95.7	13.9	+14.2	94	105	6%	−0.87

Weak pitch to watch

Curveball grades 92 with below-average expected results; his slider grades 108. The best case is against lefties: the slider is worth +0.5 runs per 100 pitches more, 0.7 standard errors (101 and 83 pitches), short of the 2 needed. No mix change until it clears.

Weak pitch to watch

Cutter grades 96 with below-average expected results; his slider grades 108. The best case is against lefties: the slider is worth +0.4 runs per 100 pitches more, 0.4 standard errors (101 and 90 pitches), short of the 2 needed. No mix change until it clears.

Most similar pitchers

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

Similarity	Player	Stuff	’26 WAR	’27 proj	2027
69	Troy Melton DET · ’00	101	1.6	1.5	Pre-arb
65	Ben Brown CHC · ’99	100	2.0	1.9	Arb
63	Andrew Painter PHI · ’03	102	1.1	1.3	Pre-arb
61	Bubba Chandler PIT · ’02	103	2.0	2.2	Pre-arb
59	Bryce Miller SEA · ’98	104	0.9	1.0	Club option $6.1M

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

Four-seam 42%

47% zone

Changeup 22%

40% zone

Slider 13%

46% zone

Cutter 12%

36% zone

Curveball 11%

37% 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 1.2 WAR Pre-arb $780K*

2028 1.2 WAR Arbitration $2.3M*

2029 1.1 WAR Arbitration $4.4M*

2030 1.0 WAR Arbitration $6.7M*

* projected arbitration or minimum salary. Contract Studio →

Minor leagues

MLB Stats API · public box-score data

SeasonLevel	Level	Team	Age	G	PA / IP	PA / IP ·Line
2026AA	AA	Frisco RoughRiders	26	1	3 IP	3 IP · 12.00 ERA · 33.3% K · 13.3% BB
2026AAA	AAA	Round Rock Express	26	2	3.2 IP	3.2 IP · 7.36 ERA · 23.5% K · 5.9% BB
2025AAA	AAA	Round Rock Express	25	1	4.2 IP	4.2 IP · 0.00 ERA · 26.7% K · 6.7% BB