MIL · P

Jacob Misiorowski

Age 24 B/T R/R 6′7″, 201 lb USA MLB debut 2025

40-man

Milwaukee’s roster as it stands #1 starter · 138 IP · 4.2 WAR in the role
Trade read Unlikely to be traded: A star (4.9 projected WAR): clubs move players like this only in a full rebuild, usually in his last year of control.

Keystone Stuff 124 98th pct

2026 fWAR 6.6

Projected 2027 WAR 4.9 at 164 IP · 4.2 in his 2027 role

Pitching · 2026 percentiles

vs. MLB pitchers with 500+ pitches · 2,647 pitches

Keystone Stuff 124

Keystone Location 99

Keystone Pitching 135

Run value (xRV) +1.86

Strikeout % 37.9%

Walk % 6.6%

Whiff % 37.3%

Chase % 35.0%

Fastball velo 100.6

Extension 7.5 ft

174.2 IP1.80 ERA2.17 FIP 30° arm

Arsenal & Pitch Lab

Movement normalized to arm side · Keystone Stuff by pitch

RHP · arm angle 30° · how to read

Pitch	Use	Velo	IVB	HB	Stuff	Loc	Whiff	xRV/100
Four-seam63% use	63%	100.6	15.3	+11.2	117	104	40%	+1.93
Cutter14% use	14%	95.8	7.2	−1.4	109	88	21%	+1.57
Slider11% use	11%	91.9	1.8	−3.4	115	103	35%	+1.61
Curveball11% use	11%	88.0	−7.8	−5.6	120	83	44%	+2.18

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

Most similar pitchers

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

Similarity	Player	Stuff	’26 WAR	’27 proj	2027
27	Eury Pérez MIA · ’03	112	2.4	2.6	Arb
25	Jacob deGrom TEX · ’88	110	4.3	1.6	Signed $37.0M
24	Didier Fuentes ATL · ’05	116	2.1	1.2	Pre-arb
22	Gavin Williams CLE · ’99	107	3.5	2.6	Arb
22	Edgardo Henriquez LAD · ’02	121	1.5	1.1	Pre-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

Four-seam 64%

49% zone

Cutter 15%

45% zone

Curveball 14%

36% zone

Slider 6%

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 4.9 WAR Pre-arb $780K*

2028 5.1 WAR Pre-arb $803K*

2029 5.2 WAR Arbitration $7.5M*

2030 5.2 WAR Arbitration $15.0M*

* 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
2025AAA	AAA	Nashville Sounds	23	13	63.1 IP	63.1 IP · 2.13 ERA · 31.6% K · 12.3% BB