SF · P

Landen Roupp

Age 28 B/T R/R 6′2″, 220 lb USA MLB debut 2024

40-man

San Francisco’s roster as it stands #2 starter · 135 IP · 1.7 WAR in the role
Trade read Available at a price: SF 32% playoff odds; control through 2030.

Keystone Stuff 97 38th pct

2026 fWAR 2.5

Projected 2027 WAR 2.0 at 158 IP · 1.7 in his 2027 role

Pitching · 2026 percentiles

vs. MLB pitchers with 500+ pitches · 2,712 pitches

Keystone Stuff 97

Keystone Location 106

Keystone Pitching 102

Run value (xRV) 0.00

Strikeout % 21.8%

Walk % 11.4%

Whiff % 24.3%

Chase % 30.3%

Fastball velo 93.3

Extension 6.3 ft

155.0 IP4.01 ERA3.73 FIP 23° arm

Arsenal & Pitch Lab

Movement normalized to arm side · Keystone Stuff by pitch

RHP · arm angle 23° · how to read

Pitch	Use	Velo	IVB	HB	Stuff	Loc	Whiff	xRV/100
Sinker34% use	34%	93.4	2.8	+17.1	94	104	8%	−1.11
Curveball26% use	26%	76.7	−8.4	−19.0	112	107	34%	+0.90
Changeup20% use	20%	87.1	−2.6	+15.0	91	105	29%	+0.20
Cutter14% use	14%	89.3	5.9	−2.7	100	105	27%	+0.88
Four-seam6% use	6%	92.9	10.7	+10.4	80	75	36%	−0.18

Weak pitch to watch

Sinker grades 94 with below-average expected results; his curveball grades 112. The best case is against righties: the curveball is worth +1.1 runs per 100 pitches more, 1.6 standard errors (366 and 409 pitches), short of the 2 needed. No mix change until it clears.

Most similar pitchers

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

Similarity	Player	Stuff	’26 WAR	’27 proj	2027
55	Nolan McLean NYM · ’01	105	3.5	3.1	Pre-arb
55	JR Ritchie ATL · ’03	95	−0.3	0.2	—
51	Chris Bassitt BAL · ’89	93	1.0	0.6	Free agent
45	Seth Lugo KC · ’89	90	1.8	0.8	Signed $21.5M
43	Clay Holmes CHC · ’93	95	1.8	1.3	Player option $12.0M

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 32%

49% zone

Changeup 26%

21% zone

Curveball 20%

35% zone

Cutter 15%

44% zone

Four-seam 7%

16% 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 2.0 WAR Pre-arb $780K*

2028 1.9 WAR Arbitration $3.8M*

2029 1.8 WAR Arbitration $6.6M*

2030 1.6 WAR Arbitration $10.7M*

* 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
2025AAA	AAA	Sacramento River Cats	26	1	3 IP	3 IP · 6.00 ERA · 33.3% K · 0.0% BB