PHI · P

Orion Kerkering

Age 25 B/T R/R 6′2″, 204 lb USA MLB debut 2023

40-man

Philadelphia’s roster as it stands late-inning relief · 59 IP · 0.6 WAR in the role
Injured list 2026: Right hamstring strain (Mar 25–Apr 7)
Trade read Available at a price: PHI 38% playoff odds; control through 2029.

Keystone Stuff 107 76th pct

2026 fWAR 0.3

Projected 2027 WAR 0.7 at 65 IP · 0.6 in his 2027 role

Pitching · 2026 percentiles

vs. MLB pitchers with 500+ pitches · 1,093 pitches

Keystone Stuff 107

Keystone Location 89

Keystone Pitching 92

Run value (xRV) +0.57

Strikeout % 23.5%

Walk % 12.7%

Whiff % 26.1%

Chase % 28.3%

Fastball velo 96.8

Extension 6.1 ft

58.0 IP4.97 ERA4.17 FIP 33° arm2 SV

Arsenal & Pitch Lab

Movement normalized to arm side · Keystone Stuff by pitch

RHP · arm angle 33° · how to read

Pitch	Use	Velo	IVB	HB	Stuff	Loc	Whiff	xRV/100
Sweeper42% use	42%	87.0	−0.5	−14.1	113	101	26%	+0.57
Four-seam34% use	34%	97.2	15.9	+11.2	99	90	33%	+0.66
Sinker18% use	18%	96.2	10.7	+16.7	99	84	13%	+0.98
Splitter6% use	6%	92.1	6.6	+15.7	91	80	37%	−1.32

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

Most similar pitchers

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

Similarity	Player	Stuff	’26 WAR	’27 proj	2027
47	Yoendrys Gómez MIN · ’99	115	0.4	0.3	Pre-arb
47	AJ Blubaugh HOU · ’00	104	0.2	0.3	Pre-arb
45	Abner Uribe MIL · ’00	113	1.6	1.2	Pre-arb
45	Bryan Abreu HOU · ’97	109	−0.3	0.6	Free agent
45	Luis Medina ATH · ’99	103	0.9	0.6	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

Sweeper 47%

39% zone

Sinker 34%

44% zone

Four-seam 19%

45% 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 0.7 WAR Arbitration $1.6M*

2028 0.7 WAR Arbitration $2.9M*

2029 0.7 WAR Arbitration $4.3M*

2030 0.7 WAR Free agent

* 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	Lehigh Valley IronPigs	25	4	4 IP	4 IP · 2.25 ERA · 33.3% K · 0.0% BB