CWS · P

Sean Burke

Age 26 B/T R/R 6′6″, 240 lb USA MLB debut 2024

40-man

The White Sox’s roster as it stands #1 starter · 141 IP · 1.9 WAR in the role
Trade read Unlikely to be traded: Young, controllable regular (age 27, control through 2030): the kind of player clubs build around.

Keystone Stuff 96 32nd pct

2026 fWAR 3.2

Projected 2027 WAR 2.2 at 169 IP · 1.9 in his 2027 role

Pitching · 2026 percentiles

vs. MLB pitchers with 500+ pitches · 2,878 pitches

Keystone Stuff 96

Keystone Location 102

Keystone Pitching 98

Run value (xRV) +0.40

Strikeout % 25.8%

Walk % 8.7%

Whiff % 25.5%

Chase % 31.7%

Fastball velo 94.7

Extension 6.8 ft

172.1 IP3.34 ERA3.62 FIP 40° arm

Arsenal & Pitch Lab

Movement normalized to arm side · Keystone Stuff by pitch

RHP · arm angle 40° · how to read

Pitch	Use	Velo	IVB	HB	Stuff	Loc	Whiff	xRV/100
Four-seam37% use	37%	94.8	18.6	+4.3	104	103	26%	+1.01
Knuckle curve20% use	20%	79.1	−14.0	−5.4	85	93	28%	+0.46
Slider17% use	17%	86.5	3.4	−5.5	104	109	33%	+0.15
Sinker14% use	14%	94.7	14.5	+12.9	89	92	10%	−1.07
Cutter10% use	10%	89.8	9.2	−3.7	100	108	27%	+0.83

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

Most similar pitchers

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

Similarity	Player	Stuff	’26 WAR	’27 proj	2027
58	Shane Baz BAL · ’99	98	3.4	2.5	Signed $7.8M
49	Slade Cecconi CLE · ’99	88	0.7	0.7	Arb
44	Braxton Ashcraft PIT · ’99	102	3.5	3.0	Pre-arb
43	Cade Cavalli WSH · ’98	99	3.9	2.8	Signed $5.0M
43	Tyler Glasnow LAD · ’93	105	2.4	2.3	Signed $30.0M

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 39%

48% zone

Knuckle curve 25%

37% zone

Cutter 14%

50% zone

Sinker 11%

47% zone

Slider 9%

47% zone

Changeup 3%

27% 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 2.2 WAR Pre-arb $780K*

2028 2.2 WAR Arbitration $4.3M*

2029 2.2 WAR Arbitration $7.3M*

2030 2.0 WAR Arbitration $12.1M*

* 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	Charlotte Knights	25	3	12.2 IP	12.2 IP · 7.82 ERA · 25.4% K · 8.5% BB

ABS challenges · 2026

Baseball Savant

As pitcher 0% 0/2 won · 0.0 runs