CHC · P

Trent Thornton

Age 33 B/T R/R 6′0″, 190 lb USA MLB debut 2019

40-man

Free agent est. 1 yr × $1.3M ($683K–$3M)
Injured list 2026: Left ankle sprain (Sep 12–Sep 28)

Keystone Stuff 100 47th pct

2026 fWAR −0.5

Projected 2027 WAR −0.2 Keystone Marcel+ at 58 IP

Pitching · 2026 percentiles

vs. MLB pitchers with 500+ pitches · 708 pitches

Keystone Stuff 100

Keystone Location 97

Keystone Pitching 98

Run value (xRV) −0.43

Strikeout % 15.8%

Walk % 8.7%

Whiff % 20.5%

Chase % 31.1%

Fastball velo 95.0

Extension 6.2 ft

48.1 IP3.35 ERA5.21 FIP 45° arm3 SV

Arsenal & Pitch Lab

Movement normalized to arm side · Keystone Stuff by pitch

RHP · arm angle 45° · how to read

Pitch	Use	Velo	IVB	HB	Stuff	Loc	Whiff	xRV/100
Four-seam32% use	32%	95.1	16.2	+4.1	99	103	17%	−2.10
Cutter22% use	22%	91.1	6.9	−3.1	105	96	28%	+0.79
Sweeper19% use	19%	81.3	0.0	−15.8	107	90	23%	+0.44
Curveball16% use	16%	81.8	−12.0	−6.9	90	109	17%	−1.14
Sinker11% use	11%	94.6	8.8	+11.6	92	80	12%	+1.72

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

Most similar pitchers

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

Similarity	Player	Stuff	’26 WAR	’27 proj	2027
58	Juan Mejia COL · ’00	91	0.5	0.6	—
48	Eduard Bazardo SEA · ’95	94	−0.5	0.0	Arb
44	Ryan Gusto MIA · ’99	97	1.0	1.1	—
44	Orion Kerkering PHI · ’01	107	0.3	0.7	Arb
43	Andrew Morris MIN · ’01	94	1.0	0.8	Pre-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 32%

37% zone

Cutter 24%

47% zone

Four-seam 24%

50% zone

Sinker 19%

44% 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 −0.2 WAR Free agent

2028 −0.3 WAR Free agent

2029 −0.4 WAR Free agent

2030 −0.5 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
2026AAA	AAA	Iowa Cubs	32	4	5.2 IP	5.2 IP · 3.18 ERA · 20.0% K · 12.0% BB
2025AAA	AAA	Tacoma Rainiers	31	2	2.2 IP	2.2 IP · 3.38 ERA · 30.0% K · 0.0% BB