BOS · P

Ranger Suarez

Age 31 B/T L/L 6′1″, 217 lb Venezuela MLB debut 2018

40-man

Boston’s roster as it stands #3 starter · 136 IP · 2.9 WAR in the role
Injured list 2026: Left groin strain (Jul 6–Jul 26)
Trade read Unlikely to be traded: Signed in Jan 2026 (5 yr, $130M (2026-30), 2031 mutual option): clubs rarely move a player they just committed to.

Keystone Stuff 91 15th pct

2026 fWAR 3.8

Projected 2027 WAR 3.3 at 160 IP · 2.9 in his 2027 role

Pitching · 2026 percentiles

vs. MLB pitchers with 500+ pitches · 2,384 pitches

Keystone Stuff 91

Keystone Location 105

Keystone Pitching 93

Run value (xRV) +0.39

Strikeout % 22.9%

Walk % 7.5%

Whiff % 21.6%

Chase % 31.4%

Fastball velo 90.9

Extension 6.1 ft

148.1 IP3.22 ERA3.16 FIP 41° arm

Arsenal & Pitch Lab

Movement normalized to arm side · Keystone Stuff by pitch

LHP · arm angle 41° · how to read

Pitch	Use	Velo	IVB	HB	Stuff	Loc	Whiff	xRV/100
Sinker25% use	25%	90.3	6.1	+14.2	92	97	13%	−0.55
Four-seam23% use	23%	91.5	12.1	+4.7	88	106	17%	+0.73
Cutter19% use	19%	88.0	7.9	−1.5	98	107	14%	+0.63
Curveball17% use	17%	75.7	−9.8	−10.2	98	105	38%	+2.19
Changeup12% use	12%	81.1	2.6	+10.1	89	100	26%	−0.87
Slider5% use	5%	78.9	1.4	−12.7	105	98	46%	−0.44

Weak pitch to watch

Changeup grades 89 with below-average expected results; his slider grades 105. Neither side has 60+ of each pitch. No mix change until it clears.

Weak pitch to watch

Sinker grades 92 with below-average expected results; his slider grades 105. The best case is against lefties: the slider is worth −0.2 runs per 100 pitches more, −0.2 standard errors (101 and 275 pitches), short of the 2 needed. No mix change until it clears.

Most similar pitchers

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

Similarity	Player	Stuff	’26 WAR	’27 proj	2027
43	Framber Valdez DET · ’93	96	2.0	2.2	Signed $47.5M
38	Patrick Corbin TOR · ’89	90	0.4	0.5	Free agent
38	Jake Bennett BOS · ’00	95	2.3	2.1	Pre-arb
37	Eric Lauer LAD · ’95	76	−0.5	0.2	Free agent
31	Martín Pérez ATL · ’91	75	1.5	0.7	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

Cutter 26%

45% zone

Four-seam 21%

48% zone

Sinker 18%

42% zone

Curveball 18%

30% zone

Changeup 15%

22% 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 3.3 WAR Guaranteed $15.6M

2028 3.1 WAR Guaranteed $30.6M

2029 2.8 WAR Guaranteed $30.6M

2030 2.2 WAR Guaranteed $35.6M

Contract Studio →

Minor leagues

MLB Stats API · public box-score data

SeasonLevel	Level	Team	Age	G	PA / IP	PA / IP ·Line
2025A	A	Clearwater Threshers	29	2	7 IP	7 IP · 1.29 ERA · 44.0% K · 4.0% BB
2025AAA	AAA	Lehigh Valley IronPigs	29	2	9.2 IP	9.2 IP · 0.93 ERA · 34.2% K · 10.5% BB

ABS challenges · 2026

Baseball Savant

As pitcher 0% 0/1 won · 0.0 runs