MIL · P

JoJo Romero

Age 30 B/T L/L 5′11″, 215 lb USA MLB debut 2020

40-man

Free agent est. 1 yr × $3.2M ($2M–$8M) · +0.2 wins to Pittsburgh’s Winter Plan in the bullpen
Injured list 2026: (Aug 3–Sep 1)

Keystone Stuff 106 74th pct

2026 fWAR 0.2

Projected 2027 WAR 0.3 Keystone Marcel+ at 64 IP

Pitching · 2026 percentiles

vs. MLB pitchers with 500+ pitches · 922 pitches

Keystone Stuff 106

Keystone Location 100

Keystone Pitching 104

Run value (xRV) −0.09

Strikeout % 22.7%

Walk % 7.6%

Whiff % 22.1%

Chase % 27.6%

Fastball velo 93.7

Extension 5.4 ft

56.1 IP3.35 ERA3.97 FIP 29° arm

Arsenal & Pitch Lab

Movement normalized to arm side · Keystone Stuff by pitch

LHP · arm angle 29° · how to read

Pitch	Use	Velo	IVB	HB	Stuff	Loc	Whiff	xRV/100
Sinker45% use	45%	93.7	0.8	+15.6	103	98	15%	+0.10
Sweeper36% use	36%	82.9	−0.5	−16.4	119	112	26%	+0.09
Changeup17% use	17%	87.3	−1.2	+12.4	77	84	28%	−0.18

Weak pitch to watch

Changeup grades 77 with below-average expected results; his sweeper grades 119. The best case is against righties: the sweeper is worth +1.1 runs per 100 pitches more, 1.4 standard errors (132 and 153 pitches), short of the 2 needed. No mix change until it clears.

Most similar pitchers

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

Similarity	Player	Stuff	’26 WAR	’27 proj	2027
49	Sam Moll CIN · ’92	105	0.3	0.1	Free agent
45	Taylor Rogers MIN · ’90	105	0.2	0.0	Free agent
45	Kyle Hart SD · ’92	106	0.6	0.2	Free agent
44	Cade Gibson MIA · ’98	107	0.2	0.3	—
37	Justin Bruihl STL · ’97	106	0.3	0.2	—

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 48%

51% zone

Changeup 27%

19% zone

Sweeper 23%

46% 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 0.3 WAR Free agent

2028 0.2 WAR Free agent

2029 0.1 WAR Free agent

2030 0.0 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
2026A+	A+	Wisconsin Timber Rattlers	29	2	2 IP	2 IP · 0.00 ERA · 66.7% K · 16.7% BB