Jack Perkins or William Kempner

Baseball Stats Comparison

Stats
Projections
News & Notes
Schedule

Jack Perkins or William Kempner Player Statistics
	Jack Perkins SP,RP - ATH	William Kempner RP - MIA
2026 Stats


Games Played	33	9

Games Started	13	0

Innings Pitched	98.1	12.1

Wins	3	1

Losses	10	0

Saves	3	0

Blown Saves	2	0

Holds	2	0

Hits Allowed	104	8

Earned Runs	71	4

Home Runs Allowed	18	1

Strikeouts	116	14

Walks	47	4

ERA	6.50	2.92

WHIP	1.54	0.97

Jack Perkins or William Kempner Player Projections
	Jack Perkins SP,RP - ATH	William Kempner RP - MIA
2026 Projections


Games Played	25	21

Games Started	5	0

Innings Pitched	47.2	21.5

Wins	3	1

Losses	2	2

Saves	1	0

Blown Saves	0	0

Holds	3	1

Hits Allowed	40	20

Earned Runs	24	11

Home Runs Allowed	6	3

Strikeouts	47	21

Walks	21	12

ERA	4.65	4.71

WHIP	1.30	1.48

Jack Perkins or William Kempner Player Notes
	Jack Perkins SP,RP - ATH	William Kempner RP - MIA
News
	Jack Perkins allowed three earned runs on four hits and five walks while striking out seven over three innings in Thursday's win over the Mariners. Chris Schommer Fri, Sep 4th	William Kempner has continued his non-throwing rehab. Ari Koslow Thu, Sep 3rd
	Jack Perkins allowed one earned run on four hits and four walks while striking out five over five innings in Saturday's loss to the Orioles. Chris Schommer Sun, Aug 30th	The Marlins transferred William Kempner to the 60-day injured list. Ari Koslow Fri, Aug 21st
	Jack Perkins allowed three runs (one earned) on three hits and five walks while striking out six over five innings in Sunday's win over the Astros. Chris Schommer Sun, Aug 23rd	William Kempner was scheduled to undergo surgery on Wednesday. Ari Koslow Thu, Aug 20th
	Jack Perkins allowed one hit and one walk while striking out four over 3 2/3 innings in Tuesday’s loss to the Royals. Chris Schommer Wed, Aug 19th	William Kempner is scheduled to undergo elbow surgery. Ari Koslow Wed, Aug 12th
	Jack Perkins allowed six earned runs on 12 hits and one walk while striking out two over five innings in Wednesday’s loss to the Rays. Chris Schommer Thu, Aug 13th	The Marlins say William Kempner will be re-evaluated next week. Ari Koslow Fri, Aug 7th
Notes
There are no recent notes for these players

Jack Perkins or William Kempner Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	Jack Perkins SP,RP - ATH			William Kempner RP - MIA
Fri, Mar 27th	@ TOR	Kevin Gausman (9-11)	#24	vs COL	Kyle Freeland (4-10)	#394
Sat, Mar 28th	@ TOR	Dylan Cease (10-5)	#7	vs COL	Michael Lorenzen (3-11)	#162
Sun, Mar 29th	@ TOR	Eric Lauer (8-7)	#264	vs COL	Jose Quintana (2-3)	#424
Mon, Mar 30th	@ ATL	Bryce Elder (8-8)	#170	vs CWS	Davis Martin (9-6)	#110
Tue, Mar 31st	@ ATL	Jose Suarez	#251	vs CWS	Erick Fedde (7-8)	#422
Wed, Apr 1st	@ ATL	Chris Sale (13-9)	#8	vs CWS	Shane Smith (0-2)	#258
Fri, Apr 3rd	vs HOU	Cristian Javier (1-5)	#152	@ NYY	Will Warren (9-6)	#50
Sat, Apr 4th	vs HOU	Tatsuya Imai (6-4)	#131	@ NYY	Ryan Weathers (5-8)	#215
Sun, Apr 5th	vs HOU	Lance McCullers Jr. (2-3)		@ NYY	Max Fried (4-4)	#18
Tue, Apr 7th	@ NYY	Cam Schlittler (12-6)	#15	vs CIN	Andrew Abbott (6-10)	#150
Wed, Apr 8th	@ NYY	Will Warren (9-6)	#50	vs CIN	Brady Singer (5-13)	#187
Thu, Apr 9th	@ NYY	Ryan Weathers (5-8)	#215	vs CIN	Rhett Lowder (6-8)	#214
Fri, Apr 10th	@ NYM	Clay Holmes (6-6)	#52	@ DET	Keider Montero (9-8)	#139
Sat, Apr 11th	@ NYM	Kodai Senga (0-9)	#72	@ DET	Casey Mize (5-9)	#60
Sun, Apr 12th	@ NYM	Freddy Peralta (7-11)	#38	@ DET	Tarik Skubal (8-7)	#2
Mon, Apr 13th	vs TEX	Nathan Eovaldi (10-9)	#82	@ ATL	Grant Holmes (9-5)	#186
Tue, Apr 14th	vs TEX	MacKenzie Gore (8-10)	#48	@ ATL	Reynaldo Lopez (4-3)	#119
Wed, Apr 15th	vs TEX	Kumar Rocker (5-10)	#121	@ ATL	Bryce Elder (8-8)	#170
Thu, Apr 16th	vs TEX	Jack Leiter (3-7)	#232
Fri, Apr 17th	vs CWS	Davis Martin (9-6)	#110	vs MIL	Coleman Crow (0-1)	#335
Sat, Apr 18th	vs CWS	Erick Fedde (7-8)	#422	vs MIL	Brandon Woodruff (2-2)
Sun, Apr 19th	vs CWS	Noah Schultz (3-9)	#329	vs MIL	Jacob Misiorowski (14-5)	#5
Mon, Apr 20th	@ SEA	Emerson Hancock (7-8)	#127	vs STL	Michael McGreevy (6-9)	#112
Tue, Apr 21st	@ SEA	Luis Castillo (4-11)	#99	vs STL	Dustin May (6-9)	#45
Wed, Apr 22nd	@ SEA	Logan Gilbert (11-8)	#12	vs STL	Kyle Leahy (10-4)	#90
Fri, Apr 24th	@ TEX	Nathan Eovaldi (10-9)	#82	@ SF	Adrian Houser (4-7)	#375
Sat, Apr 25th	@ TEX	MacKenzie Gore (8-10)	#48	@ SF	Robbie Ray (11-7)	#114
Sun, Apr 26th	@ TEX	Kumar Rocker (5-10)	#121	@ SF	Landen Roupp (8-13)	#97
Tue, Apr 28th	vs KC	Kris Bubic (3-2)	#231	@ LAD	Shohei Ohtani (8-2)	#1
Wed, Apr 29th	vs KC	Michael Wacha (9-8)	#75	@ LAD	Tyler Glasnow (4-0)	#16
Thu, Apr 30th	vs KC	Noah Cameron (9-8)	#83
Fri, May 1st	vs CLE	Joey Cantillo (9-8)	#73	vs PHI	Zack Wheeler (11-5)	#11
Sat, May 2nd	vs CLE	Slade Cecconi (4-7)	#206	vs PHI	Andrew Painter (3-8)	#171
Sun, May 3rd	vs CLE	Parker Messick (11-8)	#32	vs PHI	Jesus Luzardo (13-5)	#9
Tue, May 5th	@ PHI	Cristopher Sanchez (16-4)	#4	vs BAL	Chris Bassitt (6-4)	#154
Wed, May 6th	@ PHI	Zack Wheeler (11-5)	#11	vs BAL	Brandon Young (9-3)	#138
Thu, May 7th	@ PHI	Andrew Painter (3-8)	#171	vs BAL	Cade Povich (2-1)	#253
Fri, May 8th	@ BAL	Kyle Bradish (7-12)	#42	vs WSH	Foster Griffin (15-4)	#56
Sat, May 9th	@ BAL	Shane Baz (5-14)	#47	vs WSH	Richard Lovelady (2-4)	#272
Sun, May 10th	@ BAL	Keegan Akin (0-1)		vs WSH	Cade Cavalli (12-5)	#54
Tue, May 12th	vs STL	Andre Pallante (12-6)	#294	@ MIN	Bailey Ober (7-4)	#96
Wed, May 13th	vs STL	Matthew Liberatore (5-13)	#79	@ MIN	Simeon Woods Richardson (2-7)	#314
Thu, May 14th	vs STL	Michael McGreevy (6-9)	#112	@ MIN	Zebby Matthews (9-8)	#94
Fri, May 15th	vs SF	Tyler Mahle (5-10)	#77	@ TB	Ian Seymour (9-6)	#58
Sat, May 16th	vs SF	Trevor McDonald (3-7)		@ TB	Nick Martinez (13-4)	#92
Sun, May 17th	vs SF	Adrian Houser (4-7)	#375	@ TB	Drew Rasmussen (14-5)	#22
Mon, May 18th	@ LAA	Walbert Urena (9-9)	#210	vs ATL	JR Ritchie (1-2)	#371
Tue, May 19th	@ LAA	Reid Detmers (4-8)	#36	vs ATL	Martin Perez (8-8)	#191
Wed, May 20th	@ LAA	Jack Kochanowicz (2-5)		vs ATL	Chris Sale (13-9)	#8
Thu, May 21st	@ LAA	Jose Soriano (11-7)	#33	vs ATL	Spencer Strider (4-2)	#255
Fri, May 22nd	@ SD	Walker Buehler (8-6)	#184	vs NYM	Tobias Myers (0-2)	#221
Sat, May 23rd	@ SD	Lucas Giolito (2-3)	#348	vs NYM	Freddy Peralta (7-11)	#38
Sun, May 24th	@ SD	Michael King (9-9)	#59	vs NYM	Christian Scott (4-4)	#53
Mon, May 25th	vs SEA	Luis Castillo (4-11)	#99	@ TOR	Trey Yesavage (5-5)	#207
Tue, May 26th	vs SEA	Emerson Hancock (7-8)	#127	@ TOR	Braydon Fisher (3-4)	#140
Wed, May 27th	vs SEA	Logan Gilbert (11-8)	#12	@ TOR	Kevin Gausman (9-11)	#24
Fri, May 29th	vs NYY	Carlos Rodon (4-3)	#40	@ NYM	Freddy Peralta (7-11)	#38
Sat, May 30th	vs NYY	Ryan Weathers (5-8)	#215	@ NYM	Christian Scott (4-4)	#53
Sun, May 31st	vs NYY	Will Warren (9-6)	#50	@ NYM	Nolan McLean (10-8)	#30
Tue, Jun 2nd	@ CHC	Jameson Taillon (2-6)	#149	@ WSH	Richard Lovelady (2-4)	#272
Wed, Jun 3rd	@ CHC	Colin Rea (8-8)	#156	@ WSH	Andrew Alvarez (2-6)	#134
Thu, Jun 4th	@ CHC	Shota Imanaga (8-10)	#27
Fri, Jun 5th	@ HOU	Peter Lambert (8-7)	#142	vs TB	Drew Rasmussen (14-5)	#22
Sat, Jun 6th	@ HOU	Tatsuya Imai (6-4)	#131	vs TB	Shane McClanahan (10-7)	#43
Sun, Jun 7th	@ HOU	Mike Burrows (4-9)	#298	vs TB	Griffin Jax (6-10)	#66
Mon, Jun 8th	vs MIL	Kyle Harrison (10-4)	#57
Tue, Jun 9th	vs MIL	Robert Gasser (4-5)	#87	vs ARI	Zac Gallen (3-9)	#164
Wed, Jun 10th	vs MIL	Brandon Sproat (3-7)	#238	vs ARI	Ryne Nelson (3-5)	#254
Fri, Jun 12th	vs COL	Sean Sullivan (0-3)	#419	@ PIT	Braxton Ashcraft (14-5)	#25
Sat, Jun 13th	vs COL	Kyle Freeland (4-10)	#394	@ PIT	Bubba Chandler (6-9)	#128
Sun, Jun 14th	vs COL	Tomoyuki Sugano (12-8)	#432	@ PIT	Paul Skenes (9-11)	#3
Mon, Jun 15th	vs PIT	Jared Jones (2-6)	#55	@ PHI	Zack Wheeler (11-5)	#11
Tue, Jun 16th	vs PIT	Mitch Keller (6-8)		@ PHI	Jesus Luzardo (13-5)	#9
Wed, Jun 17th	vs PIT	Braxton Ashcraft (14-5)	#25	@ PHI	Andrew Painter (3-8)	#171
Thu, Jun 18th	vs LAA	Ryan Johnson (3-7)	#240
Fri, Jun 19th	vs LAA	Jose Soriano (11-7)	#33	vs SF	Landen Roupp (8-13)	#97
Sat, Jun 20th	vs LAA	Walbert Urena (9-9)	#210	vs SF	Trevor McDonald (3-7)
Sun, Jun 21st	vs LAA	Reid Detmers (4-8)	#36	vs SF	Logan Webb (8-8)	#21
Tue, Jun 23rd	@ SF	Robbie Ray (11-7)	#114	vs TEX	Cal Quantrill (7-5)	#188
Wed, Jun 24th	@ SF	Tyler Mahle (5-10)	#77	vs TEX	Jacob deGrom (10-9)	#6
Thu, Jun 25th	@ SF	Landen Roupp (8-13)	#97
Fri, Jun 26th	@ LAA	Walbert Urena (9-9)	#210	@ STL	Michael McGreevy (6-9)	#112
Sat, Jun 27th	@ LAA	Reid Detmers (4-8)	#36	@ STL	Andre Pallante (12-6)	#294
Sun, Jun 28th	@ LAA	Sam Aldegheri (3-4)	#399	@ STL	Kyle Leahy (10-4)	#90
Mon, Jun 29th	vs LAD	Eric Lauer (8-7)	#264	@ COL	Sean Sullivan (0-3)	#419
Tue, Jun 30th	vs LAD	Justin Wrobleski (11-5)	#118	@ COL	Tanner Gordon (1-4)	#420
Wed, Jul 1st	vs LAD	Jack Dreyer (5-2)	#146	@ COL	Kyle Freeland (4-10)	#394
Fri, Jul 3rd	vs MIA	Tyler Phillips (4-6)	#225	@ ATH	Jack Perkins (3-10)	#141
Sat, Jul 4th	vs MIA	Sandy Alcantara (13-9)	#68	@ ATH	Aaron Civale (6-7)	#193
Sun, Jul 5th	vs MIA	Eury Perez (7-10)	#49	@ ATH	Gage Jump (6-9)	#106
Tue, Jul 7th	@ DET	Tarik Skubal (8-7)	#2	vs SEA	Bryan Woo (10-9)	#13
Wed, Jul 8th	@ DET	Troy Melton (7-4)	#69	vs SEA	George Kirby (9-10)	#20
Thu, Jul 9th	@ DET	Framber Valdez (8-10)	#35	vs SEA	Bryce Miller (4-8)	#46
Fri, Jul 10th	@ CWS	Sean Burke (8-6)	#67	vs CLE	Parker Messick (11-8)	#32
Sat, Jul 11th	@ CWS	Bryan Hudson (4-4)	#157	vs CLE	Tanner Bibee (5-15)	#63
Sun, Jul 12th	@ CWS	Noah Schultz (3-9)	#329	vs CLE	Joey Cantillo (9-8)	#73
Fri, Jul 17th	vs WSH	Cade Cavalli (12-5)	#54	@ MIL	Logan Henderson (9-3)	#26
Sat, Jul 18th	vs WSH	Zack Littell (8-8)	#361	@ MIL	Shane Drohan (7-5)	#107
Sun, Jul 19th	vs WSH	Foster Griffin (15-4)	#56	@ MIL	Robert Gasser (4-5)	#87
Mon, Jul 20th	@ ARI	Mitch Bratt (1-3)	#302	@ HOU	Ronel Blanco (0-1)	#143
Tue, Jul 21st	@ ARI	Kohl Drake (0-1)	#359	@ HOU	Tatsuya Imai (6-4)	#131
Wed, Jul 22nd	@ ARI	Merrill Kelly (9-12)	#176	@ HOU	Peter Lambert (8-7)	#142
Fri, Jul 24th	@ MIN	Zebby Matthews (9-8)	#94	vs SD	German Marquez (4-2)	#374
Sat, Jul 25th	@ MIN	Kendry Rojas (1-1)	#211	vs SD	Randy Vasquez (10-6)	#213
Sun, Jul 26th	@ MIN	Connor Prielipp (4-7)	#71	vs SD	Walker Buehler (8-6)	#184
Mon, Jul 27th	vs BOS	Payton Tolle (8-6)	#34	vs PHI	Zack Wheeler (11-5)	#11
Tue, Jul 28th	vs BOS	Jake Bennett (9-6)	#76	vs PHI	Aaron Nola (6-10)	#65
Wed, Jul 29th	vs BOS	Patrick Sandoval (1-4)	#117	vs PHI	Jesus Luzardo (13-5)	#9
Thu, Jul 30th	vs BOS	Sonny Gray (16-4)	#29	@ NYM	Nolan McLean (10-8)	#30
Fri, Jul 31st	vs DET	Tyler Holton (1-5)	#100	@ NYM	Kodai Senga (0-9)	#72
Sat, Aug 1st	vs DET	Framber Valdez (8-10)	#35	@ NYM	Zac Thornton (3-4)	#115
Sun, Aug 2nd	vs DET	Keider Montero (9-8)	#139	@ NYM	Robert Stock (1-3)	#174
Tue, Aug 4th	@ CIN	Brady Singer (5-13)	#187	@ ATL	Grant Holmes (9-5)	#186
Wed, Aug 5th	@ CIN	Rhett Lowder (6-8)	#214	@ ATL	Bryce Elder (8-8)	#170
Thu, Aug 6th	@ CIN	Andrew Abbott (6-10)	#150	@ ATL	Martin Perez (8-8)	#191
Fri, Aug 7th	@ BOS	Payton Tolle (8-6)	#34	vs LAA	George Klassen (2-2)	#387
Sat, Aug 8th	@ BOS	Jake Bennett (9-6)	#76	vs LAA	Walbert Urena (9-9)	#210
Sun, Aug 9th	@ BOS	Erik Miller		vs LAA	Grayson Rodriguez (4-6)	#101
Mon, Aug 10th	vs TB	Freddy Peralta (7-11)	#38
Tue, Aug 11th	vs TB	Nick Martinez (13-4)	#92	vs PIT	Paul Skenes (9-11)	#3
Wed, Aug 12th	vs TB	Drew Rasmussen (14-5)	#22	vs PIT	Carmen Mlodzinski (7-6)	#104
Fri, Aug 14th	vs TEX	Kumar Rocker (5-10)	#121	@ CIN	Chase Burns (15-3)	#41
Sat, Aug 15th	vs TEX	MacKenzie Gore (8-10)	#48	@ CIN	Brady Singer (5-13)	#187
Sun, Aug 16th	vs TEX	Cody Bradford (0-4)	#86	@ CIN	Nick Lodolo (3-3)	#120
Mon, Aug 17th	@ KC	Michael Wacha (9-8)	#75	@ PHI	Cristopher Sanchez (16-4)	#4
Tue, Aug 18th	@ KC	Daniel Lynch (4-4)	#172	@ PHI	Zack Wheeler (11-5)	#11
Wed, Aug 19th	@ KC	Seth Lugo (6-8)	#158	@ PHI	Aaron Nola (6-10)	#65
Thu, Aug 20th	@ KC	Randy Dobnak (2-3)	#429
Fri, Aug 21st	@ HOU	Hayden Wesneski (4-1)	#85	vs WSH	Brad Lord (5-2)	#203
Sat, Aug 22nd	@ HOU	Hunter Brown (5-3)	#23	vs WSH	Jake Irvin (2-8)	#166
Sun, Aug 23rd	@ HOU	Cristian Javier (1-5)	#152	vs WSH	Jackson Kent (1-2)	#177
Mon, Aug 24th	vs MIN	Zebby Matthews (9-8)	#94	vs BOS	Ranger Suarez (5-4)	#28
Tue, Aug 25th	vs MIN	Taj Bradley (10-6)	#51	vs BOS	Payton Tolle (8-6)	#34
Wed, Aug 26th	vs MIN	Connor Prielipp (4-7)	#71	vs BOS	Sonny Gray (16-4)	#29
Fri, Aug 28th	vs BAL	Brandon Young (9-3)	#138	@ WSH	Jackson Kent (1-2)	#177
Sat, Aug 29th	vs BAL	Shane Baz (5-14)	#47	@ WSH	Cade Cavalli (12-5)	#54
Sun, Aug 30th	vs BAL	Chris Bassitt (6-4)	#154	@ WSH	Andrew Alvarez (2-6)	#134
Mon, Aug 31st	@ TEX	Jacob deGrom (10-9)	#6	@ WSH	Will Dion (1-1)	#126
Tue, Sep 1st	@ TEX	MacKenzie Gore (8-10)	#48	@ KC	Randy Dobnak (2-3)	#429
Wed, Sep 2nd	@ TEX	Cody Bradford (0-4)	#86	@ KC	Noah Cameron (9-8)	#83
Thu, Sep 3rd	@ SEA	Kade Anderson (0-1)	#44	@ KC	Michael Wacha (9-8)	#75
Fri, Sep 4th	@ SEA	Logan Gilbert (11-8)	#12	vs CHC	Shota Imanaga (8-10)	#27
Sat, Sep 5th	@ SEA	George Kirby (9-10)	#20	vs CHC	Clay Holmes (6-6)	#52
Sun, Sep 6th	@ SEA	Bryan Woo (10-9)	#13	vs CHC	Matthew Boyd (8-3)	#37
Mon, Sep 7th	vs TOR	Dylan Cease (10-5)	#7	vs NYM	Robert Stock (1-3)	#174
Tue, Sep 8th	vs TOR	Jose Soriano (11-7)	#33	vs NYM	Sean Manaea (4-7)	#70
Wed, Sep 9th	vs TOR	Jameson Taillon (2-6)	#149	vs NYM	Nolan McLean (10-8)	#30
Fri, Sep 11th	vs SEA	George Kirby (9-10)	#20	vs LAD	Justin Wrobleski (11-5)	#118
Sat, Sep 12th	vs SEA	Bryan Woo (10-9)	#13	vs LAD	Tyler Glasnow (4-0)	#16
Sun, Sep 13th	vs SEA	Emerson Hancock (7-8)	#127	vs LAD
Tue, Sep 15th	@ TB			@ ARI
Wed, Sep 16th	@ TB			@ ARI
Thu, Sep 17th	@ TB
Fri, Sep 18th	@ CLE			@ SD
Sat, Sep 19th	@ CLE			@ SD
Sun, Sep 20th	@ CLE			@ SD
Tue, Sep 22nd	vs LAA			@ CHC
Wed, Sep 23rd	vs LAA			@ CHC
Thu, Sep 24th	vs HOU			@ CHC
Fri, Sep 25th	vs HOU			vs ATL
Sat, Sep 26th	vs HOU			vs ATL
Sun, Sep 27th	vs HOU			vs ATL
Mon, Apr 6th				vs CIN	Brandon Williamson (3-3)	#391
Mon, Apr 27th				@ LAD	Yoshinobu Yamamoto (12-8)	#10
Mon, May 4th				vs PHI	Aaron Nola (6-10)	#65
Mon, Jun 1st				@ WSH	Cade Cavalli (12-5)	#54
Thu, Jun 11th				vs ARI	Merrill Kelly (9-12)	#176
Mon, Jun 22nd				vs TEX	Tyler Alexander (5-2)	#135
Thu, Jul 2nd				@ COL	Michael Lorenzen (3-11)	#162
Thu, Aug 13th				vs PIT	Braxton Ashcraft (14-5)	#25
Mon, Sep 14th				@ ARI