MIL · P

Robert Gasser

Age 27 B/T L/L 6′0″, 197 lb USA MLB debut 2024

40-man FV 45 · #12 in org

Milwaukee’s roster as it stands bullpen · 83 IP · 0.9 WAR in the role
Trade read Available at a price: MIL 81% playoff odds; control through 2030.

Keystone Stuff 106 72nd pct

2026 fWAR 1.5

Projected 2027 WAR 1.4 at 125 IP · 0.9 in his 2027 role

Pitching · 2026 percentiles

vs. MLB pitchers with 500+ pitches · 1,817 pitches

Keystone Stuff 106

Keystone Location 100

Keystone Pitching 100

Run value (xRV) +0.09

Strikeout % 22.3%

Walk % 7.6%

Whiff % 22.5%

Chase % 28.1%

Fastball velo 92.8

Extension 6.9 ft

109.1 IP3.87 ERA4.23 FIP 24° arm

Arsenal & Pitch Lab

Movement normalized to arm side · Keystone Stuff by pitch

LHP · arm angle 24° · how to read

Pitch	Use	Velo	IVB	HB	Stuff	Loc	Whiff	xRV/100
Sweeper25% use	25%	80.4	4.4	−14.7	117	105	25%	+1.18
Four-seam23% use	23%	92.9	14.4	+7.6	104	99	29%	+0.35
Sinker23% use	23%	92.7	6.8	+15.4	97	101	13%	−0.55
Cutter18% use	18%	88.5	6.5	−2.2	99	92	19%	+0.04
Changeup10% use	10%	88.3	0.5	+16.9	95	97	24%	−1.97

Weak pitch to watch

Changeup grades 95 with below-average expected results; his sweeper grades 117. The best case is against righties: the sweeper is worth +1.0 runs per 100 pitches more, 1.3 standard errors (304 and 181 pitches), short of the 2 needed. No mix change until it clears.

Most similar pitchers

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

Similarity	Player	Stuff	’26 WAR	’27 proj	2027
59	Trevor Rogers BAL · ’97	106	4.0	3.3	Free agent
56	Sean Manaea NYM · ’92	110	1.0	0.7	Signed $25.0M
54	Jacob Lopez ATH · ’98	109	0.8	1.1	Pre-arb
43	Noah Schultz CWS · ’03	105	0.3	0.7	—
38	Nick Lodolo CIN · ’98	102	−0.1	1.2	Arb

Trevor Rogers (similarity 59, 3.3 WAR projected for 2027) is a free agent this winter: a similar arsenal available without trading talent, at a free agent’s price. Opportunity Finder →

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

Four-seam 25%

44% zone

Sweeper 24%

45% zone

Sinker 19%

55% zone

Cutter 17%

59% zone

Changeup 14%

35% 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 1.4 WAR Pre-arb $780K*

2028 1.4 WAR Arbitration $2.9M*

2029 1.3 WAR Arbitration $4.7M*

2030 1.1 WAR Arbitration $7.0M*

* projected arbitration or minimum salary. Contract Studio →

Minor leagues

MLB Stats API · public box-score data

SeasonLevel	Level	Team	Age	G	PA / IP	PA / IP ·Line
2026AAA	AAA	Nashville Sounds	27	7	26.2 IP	26.2 IP · 3.38 ERA · 33.3% K · 7.0% BB
2025A+	A+	Wisconsin Timber Rattlers	26	3	5 IP	5 IP · 3.60 ERA · 29.4% K · 5.9% BB
2025AAA	AAA	Nashville Sounds	26	10	32 IP	32 IP · 2.25 ERA · 27.7% K · 7.7% BB
2025ROK	ROK	ACL Brewers	26	1	1 IP	1 IP · 0.00 ERA · 0.0% K · 0.0% BB

FanGraphs: FV 45 · ETA 2026. Public pitch tracking exists only at Triple-A and some Florida State League parks.