SEA · P

José A. Ferrer

Age 26 B/T L/L 6′1″, 233 lb Dominican Republic MLB debut 2023

40-man

Seattle’s roster as it stands late-inning relief · 56 IP · 0.5 WAR in the role
Trade read Available at a price: SEA sits on the contender line (47% playoff odds, within a projected win of 50%), so it could buy or sell; control through 2029.

Keystone Stuff 116 93rd pct

2026 fWAR 0.1

Projected 2027 WAR 0.6 at 70 IP · 0.5 in his 2027 role

Pitching · 2026 percentiles

vs. MLB pitchers with 500+ pitches · 1,090 pitches

Keystone Stuff 116

Keystone Location 96

Keystone Pitching 111

Run value (xRV) +0.07

Strikeout % 18.3%

Walk % 6.8%

Whiff % 19.4%

Chase % 29.5%

Fastball velo 97.6

Extension 6.0 ft

64.2 IP4.18 ERA4.09 FIP 32° arm3 SV

Arsenal & Pitch Lab

Movement normalized to arm side · Keystone Stuff by pitch

LHP · arm angle 32° · how to read

Pitch	Use	Velo	IVB	HB	Stuff	Loc	Whiff	xRV/100
Sinker69% use	69%	97.6	6.1	+18.4	113	104	13%	+0.35
Changeup18% use	18%	87.6	3.6	+18.8	97	87	42%	−0.11
Slider12% use	12%	88.4	0.3	−2.8	114	76	28%	−1.23

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

Most similar pitchers

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

Similarity	Player	Stuff	’26 WAR	’27 proj	2027
31	Gregory Soto PIT · ’95	110	1.3	0.8	Free agent
28	Wandy Peralta SD · ’91	95	0.4	0.1	Signed $4.5M
27	Grant Wolfram BAL · ’96	104	1.2	0.7	Pre-arb
27	Erik Miller BOS · ’98	115	0.6	0.4	Arb
23	Daniel Lynch IV KC · ’96	98	0.5	0.2	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

Sinker 61%

60% zone

Changeup 28%

18% zone

Slider 10%

50% 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 0.6 WAR Arbitration $1.7M*

2028 0.6 WAR Arbitration $2.6M*

2029 0.6 WAR Arbitration $3.8M*

2030 0.5 WAR Free agent

* projected arbitration or minimum salary. Contract Studio →