ATL · P

Martín Pérez

Age 35 B/T L/L 6′0″, 210 lb Venezuela MLB debut 2012

40-man

Free agent est. 1 yr × $5.7M ($2M–$11M) · +0.3 wins to Pittsburgh’s Winter Plan as rotation depth
Injured list Ended 2026 on the 15-day IL: Low back inflammation (since Sep 24)

Keystone Stuff 75 0th pct

2026 fWAR 1.5

Projected 2027 WAR 0.7 Keystone Marcel+ at 107 IP

Pitching · 2026 percentiles

vs. MLB pitchers with 500+ pitches · 2,244 pitches

Keystone Stuff 75

Keystone Location 103

Keystone Pitching 84

Run value (xRV) −0.47

Strikeout % 17.1%

Walk % 10.4%

Whiff % 21.1%

Chase % 27.4%

Fastball velo 89.3

Extension 6.0 ft

142.0 IP3.04 ERA4.32 FIP 44° arm

Arsenal & Pitch Lab

Movement normalized to arm side · Keystone Stuff by pitch

LHP · arm angle 44° · how to read

Pitch	Use	Velo	IVB	HB	Stuff	Loc	Whiff	xRV/100
Sinker35% use	35%	89.2	8.8	+16.2	88	98	8%	−0.87
Changeup31% use	31%	81.7	8.3	+14.6	78	113	34%	−0.08
Cutter22% use	22%	85.0	8.7	−1.4	85	94	17%	−0.44
Curveball7% use	7%	76.7	−3.8	−5.0	90	108	22%	+0.87
Four-seam4% use	4%	89.9	16.0	+10.1	56	89	11%	−2.22

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

Most similar pitchers

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

Similarity	Player	Stuff	’26 WAR	’27 proj	2027
44	Eric Lauer LAD · ’95	76	−0.5	0.2	Free agent
36	Eduardo Rodriguez AZ · ’93	91	3.2	1.6	Signed $19.0M
31	Ranger Suarez BOS · ’95	91	3.8	3.3	Signed $15.6M
31	Patrick Corbin TOR · ’89	90	0.4	0.5	Free agent
30	Jose Quintana COL · ’89	84	−0.1	0.1	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

Changeup 33%

28% zone

Sinker 28%

42% zone

Cutter 26%

48% zone

Curveball 8%

45% zone

Four-seam 5%

24% 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 0.7 WAR Free agent

2028 0.3 WAR Free agent

2029 0.0 WAR Free agent

2030 −0.3 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
2025AA	AA	Birmingham Barons	34	1	4 IP	4 IP · 2.25 ERA · 11.8% K · 17.6% BB
2025AAA	AAA	Charlotte Knights	34	1	2.2 IP	2.2 IP · 6.75 ERA · 25.0% K · 0.0% BB

ABS challenges · 2026

Baseball Savant

As pitcher 0% 0/2 won · −0.1 runs