SF · P

JT Brubaker

Age 32 B/T R/R 6′4″, 197 lb USA MLB debut 2020

40-man

Free agent est. 1 yr × $2.1M ($1M–$5M)
Injured list 2026: Bruised ribs (Aug 24–Sep 28)

Keystone Stuff 85 4th pct

2026 fWAR 0.1

Projected 2027 WAR 0.1 Keystone Marcel+ at 63 IP

Pitching · 2026 percentiles

vs. MLB pitchers with 500+ pitches · 1,000 pitches

Keystone Stuff 85

Keystone Location 107

Keystone Pitching 89

Run value (xRV) −0.42

Strikeout % 15.6%

Walk % 10.4%

Whiff % 20.9%

Chase % 30.4%

Fastball velo 93.6

Extension 5.7 ft

60.1 IP3.58 ERA4.28 FIP 46° arm2 SV

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
Sinker45% use	45%	93.7	9.1	+15.5	91	105	10%	−0.71
Slider26% use	26%	87.1	2.5	−0.1	89	105	38%	+0.33
Changeup14% use	14%	88.6	5.2	+16.0	93	102	23%	+0.23
Curveball9% use	9%	81.9	−6.3	−11.9	97	101	21%	−0.72
Four-seam6% use	6%	93.2	14.1	+7.8	60	96	8%	−2.59

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

Most similar pitchers

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

Similarity	Player	Stuff	’26 WAR	’27 proj	2027
55	Taylor Clarke AZ · ’93	86	0.5	0.3	Free agent
53	Alex Lange KC · ’95	85	−1.1	−0.5	Arb
52	Dennis Santana AZ · ’96	89	−0.3	0.3	Free agent
44	Gordon Graceffo STL · ’00	91	0.6	0.6	Pre-arb
43	Germán Márquez MIN · ’95	85	−0.6	−0.3	Free agent

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

Sinker 42%

43% zone

Changeup 26%

30% zone

Slider 12%

31% zone

Curveball 11%

40% zone

Four-seam 9%

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 0.1 WAR Free agent

2028 0.0 WAR Free agent

2029 −0.1 WAR Free agent

2030 −0.2 WAR Free agent

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

Minor leagues

MLB Stats API · public box-score data

SeasonLevel	Level	Team	Age	G	PA / IP	PA / IP ·Line
2025A+	A+	Hudson Valley Renegades	31	1	3 IP	3 IP · 0.00 ERA · 30.0% K · 0.0% BB
2025AA	AA	Somerset Patriots	31	2	6.2 IP	6.2 IP · 1.35 ERA · 12.5% K · 12.5% BB
2025AAA	AAA	Sacramento River Cats	31	6	22.2 IP	22.2 IP · 3.18 ERA · 19.8% K · 12.1% BB