Jack Perkins or Kenley Jansen

Baseball Stats Comparison

Stats
Projections
News & Notes
Schedule

Jack Perkins or Kenley Jansen Player Statistics
	Kenley Jansen RP - DET	Jack Perkins SP,RP - ATH
2026 Stats


Games Played	44	34

Games Started	0	14

Innings Pitched	39.2	103.1

Wins	4	3

Losses	6	11

Saves	18	3

Blown Saves	6	2

Holds	1	2

Hits Allowed	24	111

Earned Runs	16	75

Home Runs Allowed	7	20

Strikeouts	44	119

Walks	22	47

ERA	3.63	6.53

WHIP	1.16	1.53

Jack Perkins or Kenley Jansen Player Projections
	Kenley Jansen RP - DET	Jack Perkins SP,RP - ATH
2026 Projections


Games Played	58	25

Games Started	0	5

Innings Pitched	57.0	47.2

Wins	3	3

Losses	3	2

Saves	24	1

Blown Saves	2	0

Holds	3	3

Hits Allowed	47	40

Earned Runs	25	24

Home Runs Allowed	8	6

Strikeouts	58	47

Walks	20	21

ERA	3.97	4.65

WHIP	1.17	1.30

Jack Perkins or Kenley Jansen Player Notes
	Kenley Jansen RP - DET	Jack Perkins SP,RP - ATH
News
	Kenley Jansen issued one walk in a scoreless frame to earn the save in Monday's 5-4 win over the Twins. Chris Schommer Tue, Sep 8th	Jack Perkins allowed four earned runs on seven hits while striking out three over five innings in Tuesday’s loss to the Blue Jays. Chris Schommer Wed, Sep 9th
	Kenley Jansen struck out two batters in a scoreless appearance to earn the save in Monday's 8-5 win over the Pirates. Chris Schommer Tue, Aug 18th	The Athletics recalled RHP Jack Perkins from Triple-A Las Vegas. Ari Koslow Sun, Sep 6th
	Kenley Jansen needed just 10 pitches to toss a scoreless frame and earn the save in Thursday's 3-0 win over the Guardians. Chris Schommer Fri, Aug 14th	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
	Kenley Jansen allowed one earned run on one hit and two walks to earn the save in Tuesday’s 6-4 win over the Guardians. Chris Schommer Wed, Aug 12th	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
	Kenley Jansen struck out two batters while allowing one earned run on two hits to earn the save in Saturday's 8-6 win over the Athletics. Chris Schommer Sun, Aug 2nd	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
Notes
There are no recent notes for these players

Jack Perkins or Kenley Jansen Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	Kenley Jansen RP - DET			Jack Perkins SP,RP - ATH
Fri, Mar 27th	@ SD	Michael King (10-9)	#61	@ TOR	Kevin Gausman (9-12)	#25
Sat, Mar 28th	@ SD	Randy Vasquez (10-6)	#169	@ TOR	Dylan Cease (10-5)	#11
Sun, Mar 29th				@ TOR	Eric Lauer (8-7)	#349
Mon, Mar 30th	@ ARI	Michael Soroka (8-5)	#82	@ ATL	Bryce Elder (8-8)	#282
Tue, Mar 31st	@ ARI	Brandon Pfaadt (7-2)	#106	@ ATL	Jose Suarez
Wed, Apr 1st	@ ARI	Zac Gallen (3-9)	#131	@ ATL	Chris Sale (14-9)	#4
Fri, Apr 3rd	vs STL	Michael McGreevy (6-9)	#99	vs HOU	Cristian Javier (2-5)	#121
Sat, Apr 4th	vs STL	Dustin May (6-9)	#57	vs HOU	Tatsuya Imai (6-4)	#96
Sun, Apr 5th	vs STL	Kyle Leahy (10-4)	#86	vs HOU	Lance McCullers Jr. (2-3)
Tue, Apr 7th	@ MIN	Taj Bradley (11-6)	#45	@ NYY	Cam Schlittler (13-6)	#14
Wed, Apr 8th	@ MIN	Bailey Ober (7-5)	#93	@ NYY	Will Warren (10-6)	#71
Thu, Apr 9th	@ MIN	Mick Abel (1-2)		@ NYY	Ryan Weathers (5-8)	#167
Fri, Apr 10th	vs MIA	Chris Paddack (0-7)		@ NYM	Clay Holmes (6-7)	#68
Sat, Apr 11th	vs MIA	Janson Junk (6-9)	#101	@ NYM	Kodai Senga (0-9)	#108
Sun, Apr 12th	vs MIA	Sandy Alcantara (13-10)	#83	@ NYM	Freddy Peralta (8-11)	#48
Mon, Apr 13th				vs TEX	Nathan Eovaldi (10-9)	#128
Tue, Apr 14th	vs KC	Cole Ragans (1-4)		vs TEX	MacKenzie Gore (8-10)	#40
Wed, Apr 15th	vs KC	Seth Lugo (6-8)	#146	vs TEX	Kumar Rocker (5-11)	#117
Thu, Apr 16th	vs KC	Kris Bubic (3-2)	#194	vs TEX	Jack Leiter (3-7)	#185
Fri, Apr 17th	@ BOS	Ranger Suarez (6-4)	#36	vs CWS	Davis Martin (9-7)	#95
Sat, Apr 18th	@ BOS	Brayan Bello (6-7)	#124	vs CWS	Erick Fedde (8-8)	#395
Sun, Apr 19th	@ BOS	Garrett Crochet (3-3)	#165	vs CWS	Noah Schultz (3-9)	#326
Mon, Apr 20th	@ BOS	Sonny Gray (17-4)	#33	@ SEA	Emerson Hancock (7-8)	#198
Tue, Apr 21st	vs MIL	Kyle Harrison (10-4)	#65	@ SEA	Luis Castillo (4-11)	#102
Wed, Apr 22nd	vs MIL	DL Hall (3-0)	#206	@ SEA	Logan Gilbert (11-9)	#12
Fri, Apr 24th	@ CIN	Andrew Abbott (6-10)	#115	@ TEX	Nathan Eovaldi (10-9)	#128
Sat, Apr 25th	@ CIN	Brady Singer (6-13)	#142	@ TEX	MacKenzie Gore (8-10)	#40
Sun, Apr 26th	@ CIN	Rhett Lowder (6-10)	#184	@ TEX	Kumar Rocker (5-11)	#117
Tue, Apr 28th	@ ATL	Martin Perez (8-9)	#163	vs KC	Kris Bubic (3-2)	#194
Wed, Apr 29th	@ ATL	JR Ritchie (1-2)	#294	vs KC	Michael Wacha (9-8)	#73
Thu, Apr 30th	@ ATL	Bryce Elder (8-8)	#282	vs KC	Noah Cameron (9-8)	#72
Fri, May 1st	vs TEX	MacKenzie Gore (8-10)	#40	vs CLE	Joey Cantillo (9-9)	#74
Sat, May 2nd	vs TEX	Kumar Rocker (5-11)	#117	vs CLE	Slade Cecconi (4-7)	#162
Sun, May 3rd	vs TEX	Jack Leiter (3-7)	#185	vs CLE	Parker Messick (11-9)	#34
Tue, May 5th	vs BOS	Jovani Moran (2-3)	#200	@ PHI	Cristopher Sanchez (17-5)	#3
Wed, May 6th	vs BOS	Sonny Gray (17-4)	#33	@ PHI	Zack Wheeler (12-5)	#10
Thu, May 7th				@ PHI	Andrew Painter (3-9)	#125
Fri, May 8th	@ KC	Kris Bubic (3-2)	#194	@ BAL	Kyle Bradish (7-13)	#60
Sat, May 9th	@ KC	Michael Wacha (9-8)	#73	@ BAL	Shane Baz (6-15)	#63
Sun, May 10th	@ KC	Noah Cameron (9-8)	#72	@ BAL	Keegan Akin (0-1)
Tue, May 12th	@ NYM	Freddy Peralta (8-11)	#48	vs STL	Andre Pallante (12-6)	#110
Wed, May 13th	@ NYM	Christian Scott (4-4)	#46	vs STL	Matthew Liberatore (5-14)	#80
Thu, May 14th	@ NYM	Nolan McLean (11-8)	#35	vs STL	Michael McGreevy (6-9)	#99
Fri, May 15th	vs TOR	Trey Yesavage (5-5)	#241	vs SF	Tyler Mahle (5-10)	#62
Sat, May 16th	vs TOR	Mason Fluharty (6-1)	#192	vs SF	Trevor McDonald (3-7)
Sun, May 17th	vs TOR	Kevin Gausman (9-12)	#25	vs SF	Adrian Houser (4-7)
Mon, May 18th	vs CLE	Slade Cecconi (4-7)	#162	@ LAA	Walbert Urena (9-10)	#152
Tue, May 19th	vs CLE	Parker Messick (11-9)	#34	@ LAA	Reid Detmers (5-8)	#32
Wed, May 20th	vs CLE	Tanner Bibee (5-15)	#66	@ LAA	Jack Kochanowicz (2-5)
Thu, May 21st	vs CLE	Joey Cantillo (9-9)	#74	@ LAA	Jose Soriano (12-7)	#49
Fri, May 22nd	@ BAL	Keegan Akin (0-1)		@ SD	Walker Buehler (8-6)	#159
Sat, May 23rd				@ SD	Lucas Giolito (2-3)
Sun, May 24th	@ BAL	Trevor Rogers (10-9)	#47	@ SD	Michael King (10-9)	#61
Mon, May 25th				vs SEA	Luis Castillo (4-11)	#102
Tue, May 26th	vs LAA	Jack Kochanowicz (2-5)		vs SEA	Emerson Hancock (7-8)	#198
Wed, May 27th	vs LAA	Jose Soriano (12-7)	#49	vs SEA	Logan Gilbert (11-9)	#12
Fri, May 29th	@ CWS	Brandon Eisert (3-2)	#224	vs NYY	Carlos Rodon (5-3)	#42
Sat, May 30th	@ CWS	Anthony Kay (9-8)	#141	vs NYY	Ryan Weathers (5-8)	#167
Sun, May 31st	@ CWS	Sean Burke (8-7)	#64	vs NYY	Will Warren (10-6)	#71
Tue, Jun 2nd	@ TB	Steven Matz (5-5)	#182	@ CHC	Jameson Taillon (2-6)
Wed, Jun 3rd	@ TB	Nick Martinez (14-4)	#88	@ CHC	Colin Rea (8-8)	#220
Thu, Jun 4th				@ CHC	Shota Imanaga (9-10)	#37
Fri, Jun 5th	vs SEA	Bryan Woo (11-9)	#15	@ HOU	Peter Lambert (8-8)	#136
Sat, Jun 6th	vs SEA	Bryce Miller (4-9)	#53	@ HOU	Tatsuya Imai (6-4)	#96
Sun, Jun 7th	vs SEA	Luis Castillo (4-11)	#102	@ HOU	Mike Burrows (4-9)	#242
Mon, Jun 8th				vs MIL	Kyle Harrison (10-4)	#65
Tue, Jun 9th	vs MIN	Taj Bradley (11-6)	#45	vs MIL	Robert Gasser (4-5)	#85
Wed, Jun 10th	vs MIN	Mike Paredes (0-3)	#340	vs MIL	Brandon Sproat (3-7)	#203
Fri, Jun 12th	@ CLE	Tanner Bibee (5-15)	#66	vs COL	Sean Sullivan (0-3)	#373
Sat, Jun 13th	@ CLE	Joey Cantillo (9-9)	#74	vs COL	Kyle Freeland (4-10)	#378
Sun, Jun 14th				vs COL	Tomoyuki Sugano (12-9)	#406
Mon, Jun 15th	@ HOU	Kai-Wei Teng (5-7)	#261	vs PIT	Jared Jones (3-6)	#44
Tue, Jun 16th	@ HOU	Hunter Brown (5-3)	#23	vs PIT	Mitch Keller (6-8)
Wed, Jun 17th	@ HOU	Peter Lambert (8-8)	#136	vs PIT	Braxton Ashcraft (14-6)	#30
Thu, Jun 18th				vs LAA	Ryan Johnson (4-8)	#148
Fri, Jun 19th	vs CWS	Brandon Eisert (3-2)	#224	vs LAA	Jose Soriano (12-7)	#49
Sat, Jun 20th	vs CWS	Sean Newcomb (2-4)	#150	vs LAA	Walbert Urena (9-10)	#152
Sun, Jun 21st	vs CWS	Davis Martin (9-7)	#95	vs LAA	Reid Detmers (5-8)	#32
Tue, Jun 23rd	vs NYY	Carlos Rodon (5-3)	#42	@ SF	Robbie Ray (11-8)	#113
Wed, Jun 24th	vs NYY	Ryan Weathers (5-8)	#167	@ SF	Tyler Mahle (5-10)	#62
Thu, Jun 25th	vs HOU	Tatsuya Imai (6-4)	#96	@ SF	Landen Roupp (9-13)	#94
Fri, Jun 26th	vs HOU	Spencer Arrighetti (7-9)	#143	@ LAA	Walbert Urena (9-10)	#152
Sat, Jun 27th	vs HOU	Kai-Wei Teng (5-7)	#261	@ LAA	Reid Detmers (5-8)	#32
Sun, Jun 28th	vs HOU	Hunter Brown (5-3)	#23	@ LAA	Sam Aldegheri (3-4)	#353
Mon, Jun 29th	@ NYY	Ryan Weathers (5-8)	#167	vs LAD	Eric Lauer (8-7)	#349
Tue, Jun 30th	@ NYY	Cam Schlittler (13-6)	#14	vs LAD	Justin Wrobleski (11-5)	#166
Wed, Jul 1st	@ NYY	Will Warren (10-6)	#71	vs LAD	Jack Dreyer (5-2)	#139
Fri, Jul 3rd				vs MIA	Tyler Phillips (5-6)	#155
Sat, Jul 4th	@ TEX	Cal Quantrill (8-5)	#158	vs MIA	Sandy Alcantara (13-10)	#83
Sun, Jul 5th	@ TEX	Kumar Rocker (5-11)	#117	vs MIA	Eury Perez (7-11)	#51
Tue, Jul 7th	vs ATH	J.T. Ginn (9-8)	#314	@ DET	Tarik Skubal (9-7)	#2
Wed, Jul 8th	vs ATH	Jeffrey Springs (4-13)	#180	@ DET	Troy Melton (8-4)	#70
Thu, Jul 9th	vs ATH	Jose Suarez		@ DET	Framber Valdez (9-10)	#43
Fri, Jul 10th	vs PHI	Aaron Nola (6-10)	#52	@ CWS	Sean Burke (8-7)	#64
Sat, Jul 11th	vs PHI	Cristopher Sanchez (17-5)	#3	@ CWS	Bryan Hudson (4-4)	#149
Sun, Jul 12th	vs PHI	Zack Wheeler (12-5)	#10	@ CWS	Noah Schultz (3-9)	#326
Fri, Jul 17th	@ LAA	Reid Detmers (5-8)	#32	vs WSH	Cade Cavalli (12-5)	#39
Sat, Jul 18th	@ LAA	Grayson Rodriguez (4-7)	#89	vs WSH	Zack Littell (8-8)	#332
Sun, Jul 19th	@ LAA	Ryan Johnson (4-8)	#148	vs WSH	Foster Griffin (15-5)	#59
Mon, Jul 20th	@ CHC	Jameson Taillon (2-6)		@ ARI	Mitch Bratt (1-3)	#330
Tue, Jul 21st	@ CHC	David Peterson (7-8)	#109	@ ARI	Kohl Drake (0-1)	#321
Wed, Jul 22nd	@ CHC	Colin Rea (8-8)	#220	@ ARI	Merrill Kelly (9-13)	#135
Fri, Jul 24th	vs KC	Beck Way (1-1)	#371	@ MIN	Zebby Matthews (9-10)	#92
Sat, Jul 25th	vs KC	Michael Wacha (9-8)	#73	@ MIN	Kendry Rojas (1-1)	#249
Sun, Jul 26th	vs KC	Luinder Avila (5-4)		@ MIN	Connor Prielipp (4-7)	#67
Mon, Jul 27th	vs BAL	Kyle Bradish (7-13)	#60	vs BOS	Payton Tolle (9-6)	#28
Tue, Jul 28th	vs BAL	Dean Kremer (3-5)	#84	vs BOS	Jake Bennett (9-7)	#76
Wed, Jul 29th	vs BAL	Trevor Rogers (10-9)	#47	vs BOS	Patrick Sandoval (1-5)	#107
Thu, Jul 30th				vs BOS	Sonny Gray (17-4)	#33
Fri, Jul 31st	@ ATH	Jeffrey Springs (4-13)	#180	vs DET	Tyler Holton (2-5)	#154
Sat, Aug 1st	@ ATH	Jack Perkins (3-11)	#134	vs DET	Framber Valdez (9-10)	#43
Sun, Aug 2nd	@ ATH	Gage Jump (6-10)	#105	vs DET	Keider Montero (9-8)	#119
Tue, Aug 4th	@ SEA	Emerson Hancock (7-8)	#198	@ CIN	Brady Singer (6-13)	#142
Wed, Aug 5th	@ SEA	Bryan Woo (11-9)	#15	@ CIN	Rhett Lowder (6-10)	#184
Thu, Aug 6th	@ SEA	Bryce Miller (4-9)	#53	@ CIN	Andrew Abbott (6-10)	#115
Fri, Aug 7th	@ SF	JT Brubaker		@ BOS	Payton Tolle (9-6)	#28
Sat, Aug 8th	@ SF	Landen Roupp (9-13)	#94	@ BOS	Jake Bennett (9-7)	#76
Sun, Aug 9th	@ SF	Logan Webb (8-8)	#27	@ BOS	Erik Miller
Mon, Aug 10th				vs TB	Freddy Peralta (8-11)	#48
Tue, Aug 11th	vs CLE	Tanner Bibee (5-15)	#66	vs TB	Nick Martinez (14-4)	#88
Wed, Aug 12th	vs CLE	Foster Griffin (15-5)	#59	vs TB	Drew Rasmussen (14-5)	#13
Fri, Aug 14th	vs CWS	Sean Newcomb (2-4)	#150	vs TEX	Kumar Rocker (5-11)	#117
Sat, Aug 15th	vs CWS	Anthony Kay (9-8)	#141	vs TEX	MacKenzie Gore (8-10)	#40
Sun, Aug 16th	vs CWS	Sean Burke (8-7)	#64	vs TEX	Cody Bradford (0-5)	#97
Mon, Aug 17th	@ PIT	Carmen Mlodzinski (7-6)	#98	@ KC	Michael Wacha (9-8)	#73
Tue, Aug 18th	@ PIT	Braxton Ashcraft (14-6)	#30	@ KC	Daniel Lynch (5-5)	#151
Wed, Aug 19th	@ PIT	Paul Skenes (10-11)	#5	@ KC	Seth Lugo (6-8)	#146
Thu, Aug 20th				@ KC	Randy Dobnak (3-3)	#393
Fri, Aug 21st	@ KC	Noah Cameron (9-8)	#72	@ HOU	Hayden Wesneski (5-1)	#90
Sat, Aug 22nd	@ KC	Michael Wacha (9-8)	#73	@ HOU	Hunter Brown (5-3)	#23
Sun, Aug 23rd	@ KC	Daniel Lynch (5-5)	#151	@ HOU	Cristian Javier (2-5)	#121
Mon, Aug 24th	vs TB	Drew Rasmussen (14-5)	#13	vs MIN	Zebby Matthews (9-10)	#92
Tue, Aug 25th	vs TB	Casey Legumina (2-2)	#297	vs MIN	Taj Bradley (11-6)	#45
Wed, Aug 26th	vs TB	Freddy Peralta (8-11)	#48	vs MIN	Connor Prielipp (4-7)	#67
Fri, Aug 28th	vs LAD	Tarik Skubal (9-7)	#2	vs BAL	Brandon Young (9-4)	#118
Sat, Aug 29th	vs LAD	Blake Snell (3-1)	#16	vs BAL	Shane Baz (6-15)	#63
Sun, Aug 30th	vs LAD	Tyler Glasnow (4-0)	#17	vs BAL	Chris Bassitt (6-5)	#138
Mon, Aug 31st	@ MIN	Taj Bradley (11-6)	#45	@ TEX	Jacob deGrom (10-9)	#6
Tue, Sep 1st	@ MIN	Andrew Morris (4-7)	#195	@ TEX	MacKenzie Gore (8-10)	#40
Wed, Sep 2nd	@ MIN	Dean Kremer (3-5)	#84	@ TEX	Cody Bradford (0-5)	#97
Thu, Sep 3rd				@ SEA	Kade Anderson (1-1)	#41
Fri, Sep 4th	@ CLE	Foster Griffin (15-5)	#59	@ SEA	Logan Gilbert (11-9)	#12
Sat, Sep 5th	@ CLE	Parker Messick (11-9)	#34	@ SEA	George Kirby (9-11)	#26
Sun, Sep 6th	@ CLE	Gavin Williams (13-7)	#22	@ SEA	Bryan Woo (11-9)	#15
Mon, Sep 7th	vs MIN	Joe Ryan (6-9)	#19	vs TOR	Dylan Cease (10-5)	#11
Tue, Sep 8th	vs MIN	Dean Kremer (3-5)	#84	vs TOR	Jose Soriano (12-7)	#49
Wed, Sep 9th	vs MIN	Zebby Matthews (9-10)	#92	vs TOR	Braydon Fisher (3-4)	#188
Fri, Sep 11th	vs COL	Mason Adams (0-0)	#399	vs SEA	George Kirby (9-11)	#26
Sat, Sep 12th	vs COL	Tanner Gordon (1-4)	#310	vs SEA	Bryan Woo (11-9)	#15
Sun, Sep 13th	vs COL	Gabriel Hughes (0-7)	#309	vs SEA	Bryce Miller (4-9)	#53
Tue, Sep 15th	@ TOR	Spencer Miles (6-2)	#153	@ TB	Freddy Peralta (8-11)	#48
Wed, Sep 16th	@ TOR	Max Scherzer (2-7)	#111	@ TB	Griffin Jax (7-10)	#24
Thu, Sep 17th	@ CWS	Anthony Kay (9-8)	#141	@ TB	Drew Rasmussen (14-5)	#13
Fri, Sep 18th	@ CWS	Sean Burke (8-7)	#64	@ CLE	Gavin Williams (13-7)	#22
Sat, Sep 19th	@ CWS	Davis Martin (9-7)	#95	@ CLE	Joey Cantillo (9-9)	#74
Sun, Sep 20th	@ CWS			@ CLE
Tue, Sep 22nd	vs WSH			vs LAA
Wed, Sep 23rd	vs WSH			vs LAA
Thu, Sep 24th				vs HOU
Fri, Sep 25th	vs PIT			vs HOU
Sat, Sep 26th	vs PIT			vs HOU
Sun, Sep 27th	vs PIT			vs HOU
Thu, Mar 26th	@ SD	Nick Pivetta (2-2)	#38
Mon, Apr 6th	@ MIN	Joe Ryan (6-9)	#19
Thu, Apr 23rd	vs MIL	Brandon Sproat (3-7)	#203
Mon, May 4th	vs BOS	Payton Tolle (9-6)	#28
Thu, May 28th	vs LAA	Grayson Rodriguez (4-7)	#89
Mon, Jun 1st	@ TB	Griffin Jax (7-10)	#24
Thu, Jun 11th	vs MIN	Zebby Matthews (9-10)	#92
Mon, Jun 22nd	vs NYY	Gerrit Cole (8-8)	#20
Thu, Jul 2nd	@ TEX	Nathan Eovaldi (10-9)	#128
Thu, Jul 23rd	vs KC	Randy Dobnak (3-3)	#393
Thu, Aug 13th	vs CLE	Parker Messick (11-9)	#34
Mon, Sep 14th	@ TOR	Jose Soriano (12-7)	#49
Mon, Sep 21st	vs WSH