John Rooney or Mark Leiter Jr.

Baseball Stats Comparison

Stats
Projections
News & Notes
Schedule

John Rooney or Mark Leiter Jr. Player Statistics
	Mark Leiter Jr. RP - ATH	John Rooney RP - TB
2026 Stats


Games Played	36	‐

Games Started	0	‐

Innings Pitched	33.2	‐

Wins	0	‐

Losses	1	‐

Saves	4	‐

Blown Saves	2	‐

Holds	5	‐

Hits Allowed	32	‐

Earned Runs	16	‐

Home Runs Allowed	2	‐

Strikeouts	38	‐

Walks	11	‐

ERA	4.28	‐

WHIP	1.28	‐

John Rooney or Mark Leiter Jr. Player Projections
	Mark Leiter Jr. RP - ATH	John Rooney RP - TB
2026 Projections


Games Played	61	12

Games Started	0	0

Innings Pitched	59.9	15.5

Wins	4	1

Losses	4	1

Saves	5	0

Blown Saves	1	0

Holds	13	0

Hits Allowed	56	15

Earned Runs	29	16

Home Runs Allowed	8	3

Strikeouts	66	16

Walks	23	9

ERA	4.36	9.31

WHIP	1.33	1.58

John Rooney or Mark Leiter Jr. Player Notes
	Mark Leiter Jr. RP - ATH	John Rooney RP - TB
News
	The Athletics transferred Mark Leiter Jr. to the 60-day injured list. Ari Koslow Thu, Jul 30th	The Rays reassigned LHP John Rooney to minor league camp. Ari Koslow Thu, Mar 5th
	Mark Leiter Jr. underwent successful surgery on Tuesday. Ari Koslow Tue, Jul 28th
	Athletics right-hander Mark Leiter Jr. (hip) is set to undergo surgery on Tuesday. Brenton Kemp Mon, Jul 27th
	The Athletics placed Mark Leiter Jr. on the 15-day injured list with a right hip impingement. Ari Koslow Tue, Jul 21st
	The Athletics activated Mark Leiter Jr. from the injured list. Ari Koslow Fri, Jul 3rd
Notes
There are no recent notes for these players

John Rooney or Mark Leiter Jr. Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	Mark Leiter Jr. RP - ATH			John Rooney RP - TB
Thu, Mar 26th				@ STL	Matthew Liberatore (5-12)	#77
Sat, Mar 28th	@ TOR	Dylan Cease (8-5)	#9	@ STL	Michael McGreevy (5-9)	#89
Sun, Mar 29th	@ TOR	Eric Lauer (8-6)	#358	@ STL	Dustin May (6-8)	#49
Mon, Mar 30th	@ ATL	Bryce Elder (8-7)	#128	@ MIL	Kyle Harrison (10-3)	#38
Tue, Mar 31st	@ ATL	Jose Suarez	#235	@ MIL	Brandon Woodruff (2-2)
Wed, Apr 1st	@ ATL	Chris Sale (12-9)	#3	@ MIL	Jacob Misiorowski (13-5)	#6
Fri, Apr 3rd	vs HOU	Cristian Javier (1-4)	#204	@ MIN	Bailey Ober (7-4)	#81
Sat, Apr 4th	vs HOU	Tatsuya Imai (6-4)	#126	@ MIN	Mick Abel (1-2)
Sun, Apr 5th	vs HOU	Lance McCullers Jr. (2-3)		@ MIN	Simeon Woods Richardson (2-7)	#194
Mon, Apr 6th				vs CHC	Jameson Taillon (2-6)	#188
Tue, Apr 7th	@ NYY	Cam Schlittler (11-6)	#13	vs CHC	Javier Assad (6-1)	#195
Wed, Apr 8th	@ NYY	Will Warren (8-6)	#67	vs CHC	Colin Rea (8-8)	#182
Fri, Apr 10th	@ NYM	Clay Holmes (5-6)	#66	vs NYY	Luis Gil (1-2)	#347
Sat, Apr 11th	@ NYM	Kodai Senga (0-9)	#95	vs NYY	Max Fried (4-4)	#22
Sun, Apr 12th	@ NYM	Freddy Peralta (6-11)	#51	vs NYY	Cam Schlittler (11-6)	#13
Tue, Apr 14th	vs TEX	MacKenzie Gore (7-10)	#37	@ CWS	Noah Schultz (3-9)	#340
Wed, Apr 15th	vs TEX	Kumar Rocker (5-10)	#124	@ CWS	Sean Burke (7-6)	#58
Thu, Apr 16th	vs TEX	Jack Leiter (3-7)	#122	@ CWS	Jordan Leasure
Fri, Apr 17th	vs CWS	Davis Martin (9-6)	#145	@ PIT	Bubba Chandler (6-9)	#129
Sat, Apr 18th	vs CWS	Erick Fedde (6-8)	#272	@ PIT	Paul Skenes (9-11)	#7
Sun, Apr 19th	vs CWS	Noah Schultz (3-9)	#340	@ PIT	Mitch Keller (6-8)
Mon, Apr 20th	@ SEA	Emerson Hancock (7-7)	#72	vs CIN	Rhett Lowder (5-8)	#243
Tue, Apr 21st	@ SEA	Luis Castillo (4-10)	#83	vs CIN	Chase Burns (14-3)	#20
Wed, Apr 22nd	@ SEA	Logan Gilbert (11-7)	#12	vs CIN	Brandon Williamson (2-3)	#328
Fri, Apr 24th	@ TEX	Nathan Eovaldi (10-9)	#97	vs MIN	Taj Bradley (9-6)	#45
Sat, Apr 25th	@ TEX	MacKenzie Gore (7-10)	#37	vs MIN	Bailey Ober (7-4)	#81
Sun, Apr 26th	@ TEX	Kumar Rocker (5-10)	#124	vs MIN	Simeon Woods Richardson (2-7)	#194
Mon, Apr 27th				@ CLE	Parker Messick (10-8)	#33
Tue, Apr 28th	vs KC	Kris Bubic (3-2)	#123	@ CLE	Tanner Bibee (5-13)	#59
Wed, Apr 29th	vs KC	Michael Wacha (7-8)	#69	@ CLE	Gavin Williams (12-7)	#19
Fri, May 1st	vs CLE	Joey Cantillo (9-7)	#62	vs SF	Robbie Ray (11-7)	#96
Sat, May 2nd	vs CLE	Slade Cecconi (4-7)	#149	vs SF	Landen Roupp (7-13)	#71
Sun, May 3rd	vs CLE	Parker Messick (10-8)	#33	vs SF	Tyler Mahle (5-10)	#78
Mon, May 4th				vs TOR	Eric Lauer (8-6)	#358
Tue, May 5th	@ PHI	Cristopher Sanchez (16-4)	#4	vs TOR	Kevin Gausman (7-11)	#27
Wed, May 6th	@ PHI	Zack Wheeler (10-5)	#10	vs TOR	Patrick Corbin (3-4)
Thu, May 7th	@ PHI	Andrew Painter (3-8)	#219	@ BOS	Jake Bennett (8-6)	#74
Fri, May 8th	@ BAL	Kyle Bradish (7-12)	#55	@ BOS	Connelly Early (7-5)	#142
Sun, May 10th	@ BAL	Keegan Akin (0-1)		@ BOS	Payton Tolle (8-6)	#23
Mon, May 11th				@ TOR	Kevin Gausman (7-11)	#27
Tue, May 12th	vs STL	Andre Pallante (12-6)	#290	@ TOR	Patrick Corbin (3-4)
Wed, May 13th	vs STL	Matthew Liberatore (5-12)	#77	@ TOR	Dylan Cease (8-5)	#9
Fri, May 15th	vs SF	Tyler Mahle (5-10)	#78	vs MIA	Janson Junk (6-8)	#117
Sat, May 16th	vs SF	Trevor McDonald (3-7)		vs MIA	Sandy Alcantara (13-8)	#61
Sun, May 17th	vs SF	Adrian Houser (4-7)	#217	vs MIA	Eury Perez (7-9)	#36
Mon, May 18th	@ LAA	Walbert Urena (8-9)	#266	vs BAL	Trevor Rogers (9-8)	#63
Tue, May 19th	@ LAA	Reid Detmers (4-8)	#32	vs BAL	Kyle Bradish (7-12)	#55
Wed, May 20th	@ LAA	Jack Kochanowicz (2-5)		vs BAL	Shane Baz (4-14)	#68
Fri, May 22nd	@ SD	Walker Buehler (8-6)	#222	@ NYY	Gerrit Cole (7-6)	#18
Sun, May 24th	@ SD	Michael King (8-9)	#57	@ NYY	Ryan Weathers (5-8)	#229
Mon, May 25th	vs SEA	Luis Castillo (4-10)	#83	@ BAL	Kyle Bradish (7-12)	#55
Tue, May 26th	vs SEA	Emerson Hancock (7-7)	#72	@ BAL	Shane Baz (4-14)	#68
Wed, May 27th	vs SEA	Logan Gilbert (11-7)	#12	@ BAL	Trey Gibson (1-3)	#391
Fri, May 29th	vs NYY	Carlos Rodon (4-2)	#43	vs LAA	Walbert Urena (8-9)	#266
Sat, May 30th	vs NYY	Ryan Weathers (5-8)	#229	vs LAA	Reid Detmers (4-8)	#32
Sun, May 31st	vs NYY	Will Warren (8-6)	#67	vs LAA	Jack Kochanowicz (2-5)
Mon, Jun 1st				vs DET	Ty Madden	#278
Tue, Jun 2nd	@ CHC	Jameson Taillon (2-6)	#188	vs DET	Jack Flaherty (3-8)	#108
Wed, Jun 3rd	@ CHC	Colin Rea (8-8)	#182	vs DET	Troy Melton (7-3)	#60
Fri, Jun 5th	@ HOU	Peter Lambert (8-7)	#177	@ MIA	Ryan Gusto (1-3)	#156
Sat, Jun 6th	@ HOU	Tatsuya Imai (6-4)	#126	@ MIA	Lake Bachar (1-3)	#166
Sun, Jun 7th	@ HOU	Mike Burrows (4-9)	#212	@ MIA	Sandy Alcantara (13-8)	#61
Mon, Jun 8th	vs MIL	Kyle Harrison (10-3)	#38	vs BOS	Connelly Early (7-5)	#142
Tue, Jun 9th	vs MIL	Robert Gasser (4-5)	#106	vs BOS	Payton Tolle (8-6)	#23
Wed, Jun 10th	vs MIL	Brandon Sproat (3-7)	#186	vs BOS	Jake Bennett (8-6)	#74
Fri, Jun 12th	vs COL	Sean Sullivan (0-3)	#429	@ LAA	Sam Aldegheri (3-4)	#421
Sat, Jun 13th	vs COL	Kyle Freeland (4-10)	#418	@ LAA	Jose Soriano (10-7)	#42
Sun, Jun 14th	vs COL	Tomoyuki Sugano (12-7)	#437	@ LAA	Grayson Rodriguez (4-5)	#114
Mon, Jun 15th	vs PIT	Jared Jones (2-5)	#47	@ LAD	Eric Lauer (8-6)	#358
Tue, Jun 16th	vs PIT	Mitch Keller (6-8)		@ LAD	Justin Wrobleski (11-5)	#223
Wed, Jun 17th	vs PIT	Braxton Ashcraft (13-5)	#28	@ LAD	Shohei Ohtani (8-2)	#1
Fri, Jun 19th	vs LAA	Jose Soriano (10-7)	#42	vs WSH	PJ Poulin (3-0)
Sat, Jun 20th	vs LAA	Walbert Urena (8-9)	#266	vs WSH	Cade Cavalli (12-5)	#40
Sun, Jun 21st	vs LAA	Reid Detmers (4-8)	#32	vs WSH	Andrew Alvarez (2-6)	#143
Mon, Jun 22nd				vs KC	Michael Wacha (7-8)	#69
Tue, Jun 23rd	@ SF	Robbie Ray (11-7)	#96	vs KC	Luinder Avila (5-4)
Wed, Jun 24th	@ SF	Tyler Mahle (5-10)	#78	vs KC	Noah Cameron (8-8)	#70
Thu, Jun 25th	@ SF	Landen Roupp (7-13)	#71	vs KC	Seth Lugo (6-7)	#107
Fri, Jun 26th	@ LAA	Walbert Urena (8-9)	#266	vs ARI	Zac Gallen (3-9)	#199
Sat, Jun 27th	@ LAA	Reid Detmers (4-8)	#32	vs ARI
Sun, Jun 28th	@ LAA	Sam Aldegheri (3-4)	#421	vs ARI	Merrill Kelly (8-12)	#132
Tue, Jun 30th	vs LAD	Justin Wrobleski (11-5)	#223	@ KC	Noah Cameron (8-8)	#70
Wed, Jul 1st	vs LAD	Jack Dreyer (5-1)	#110	@ KC	Seth Lugo (6-7)	#107
Thu, Jul 2nd				@ KC	Stephen Kolek (4-3)
Fri, Jul 3rd	vs MIA	Tyler Phillips (3-6)	#246	@ HOU	Spencer Arrighetti (7-6)	#226
Sat, Jul 4th	vs MIA	Sandy Alcantara (13-8)	#61	@ HOU	Hunter Brown (3-3)	#25
Sun, Jul 5th	vs MIA	Eury Perez (7-9)	#36	@ HOU	Peter Lambert (8-7)	#177
Mon, Jul 6th				vs NYY	Cam Schlittler (11-6)	#13
Tue, Jul 7th	@ DET	Tarik Skubal (8-7)	#2	vs NYY	Will Warren (8-6)	#67
Wed, Jul 8th	@ DET	Troy Melton (7-3)	#60	vs NYY	Gerrit Cole (7-6)	#18
Thu, Jul 9th	@ DET	Framber Valdez (8-9)	#46	vs NYY	Paul Blackburn (6-2)	#185
Fri, Jul 10th	@ CWS	Sean Burke (7-6)	#58	vs SEA	Luis Castillo (4-10)	#83
Sat, Jul 11th	@ CWS	Bryan Hudson (4-4)	#138	vs SEA	Logan Gilbert (11-7)	#12
Sun, Jul 12th	@ CWS	Noah Schultz (3-9)	#340	vs SEA	Emerson Hancock (7-7)	#72
Fri, Jul 17th	vs WSH	Cade Cavalli (12-5)	#40	@ BOS	Eduardo Rivera (0-1)	#251
Sat, Jul 18th	vs WSH	Zack Littell (8-8)	#306	@ BOS	Patrick Sandoval (1-2)	#121
Sun, Jul 19th	vs WSH	Foster Griffin (15-4)	#41	@ BOS	Sonny Gray (16-4)	#30
Mon, Jul 20th	@ ARI	Mitch Bratt (1-2)	#187	@ TOR	Dylan Cease (8-5)	#9
Tue, Jul 21st	@ ARI	Kohl Drake (0-1)	#387	@ TOR	Kevin Gausman (7-11)	#27
Wed, Jul 22nd	@ ARI	Merrill Kelly (8-12)	#132	@ TOR	Braydon Fisher (3-4)	#148
Thu, Jul 23rd				@ TOR	Shane Bieber (5-2)	#147
Fri, Jul 24th	@ MIN	Zebby Matthews (8-8)	#115	vs CLE	Joey Cantillo (9-7)	#62
Sat, Jul 25th	@ MIN	Kendry Rojas (1-1)	#234	vs CLE	Tanner Bibee (5-13)	#59
Sun, Jul 26th	@ MIN	Connor Prielipp (3-7)	#94	vs CLE	Parker Messick (10-8)	#33
Tue, Jul 28th	vs BOS	Jake Bennett (8-6)	#74	vs TEX	Cal Quantrill (6-4)	#215
Wed, Jul 29th	vs BOS	Patrick Sandoval (1-2)	#121	vs TEX	MacKenzie Gore (7-10)	#37
Thu, Jul 30th	vs BOS	Sonny Gray (16-4)	#30	vs TEX	Cole Winn
Fri, Jul 31st	vs DET	Tyler Holton (1-5)	#104	vs CWS	Erick Fedde (6-8)	#272
Sat, Aug 1st	vs DET	Framber Valdez (8-9)	#46	vs CWS	Jordan Hicks (2-1)	#173
Sun, Aug 2nd	vs DET	Keider Montero (9-8)	#174	vs CWS	Anthony Kay (9-6)	#191
Mon, Aug 3rd				@ COL	Michael Lorenzen (3-11)	#414
Tue, Aug 4th	@ CIN	Brady Singer (5-12)	#160	@ COL	Gabriel Hughes (0-5)	#393
Wed, Aug 5th	@ CIN	Rhett Lowder (5-8)	#243	@ COL	Tomoyuki Sugano (12-7)	#437
Fri, Aug 7th	@ BOS	Payton Tolle (8-6)	#23	@ SEA	Logan Gilbert (11-7)	#12
Sat, Aug 8th	@ BOS	Jake Bennett (8-6)	#74	@ SEA	George Kirby (9-10)	#26
Sun, Aug 9th	@ BOS	Erik Miller		@ SEA	Emerson Hancock (7-7)	#72
Mon, Aug 10th	vs TB	Freddy Peralta (6-11)	#51	@ ATH	Jacob Lopez (5-4)	#176
Tue, Aug 11th	vs TB	Nick Martinez (13-4)	#82	@ ATH	Mason Barnett (1-4)	#410
Wed, Aug 12th	vs TB	Drew Rasmussen (14-5)	#15	@ ATH	Jack Perkins (3-9)	#146
Fri, Aug 14th	vs TEX	Kumar Rocker (5-10)	#124	vs BAL	Chris Bassitt (5-4)	#139
Sat, Aug 15th	vs TEX	MacKenzie Gore (7-10)	#37	vs BAL	Kyle Bradish (7-12)	#55
Sun, Aug 16th	vs TEX	Cody Bradford (0-2)	#99	vs BAL	Trevor Rogers (9-8)	#63
Mon, Aug 17th	@ KC	Michael Wacha (7-8)	#69	vs BAL	Brandon Young (9-3)	#172
Tue, Aug 18th	@ KC	Daniel Lynch (4-4)	#202	vs TOR	Jose Soriano (10-7)	#42
Wed, Aug 19th	@ KC	Seth Lugo (6-7)	#107	vs TOR	Max Scherzer (1-7)	#154
Thu, Aug 20th	@ KC	Randy Dobnak (2-2)	#435	vs TOR	Shane Bieber (5-2)	#147
Fri, Aug 21st	@ HOU	Hayden Wesneski (3-1)	#79	@ BAL	Trevor Rogers (9-8)	#63
Sat, Aug 22nd	@ HOU	Hunter Brown (3-3)	#25	@ BAL	Brandon Young (9-3)	#172
Sun, Aug 23rd	@ HOU	Cristian Javier (1-4)	#204	@ BAL	Shane Baz (4-14)	#68
Mon, Aug 24th	vs MIN	Zebby Matthews (8-8)	#115	@ DET	Framber Valdez (8-9)	#46
Tue, Aug 25th	vs MIN	Taj Bradley (9-6)	#45	@ DET	Jackson Jobe (1-1)	#218
Wed, Aug 26th	vs MIN	Connor Prielipp (3-7)	#94	@ DET	Troy Melton (7-3)	#60
Fri, Aug 28th	vs BAL	Brandon Young (9-3)	#172	vs SD	Casey Mize (5-7)	#48
Sat, Aug 29th	vs BAL	Shane Baz (4-14)	#68	vs SD	Walker Buehler (8-6)	#222
Sun, Aug 30th	vs BAL	Chris Bassitt (5-4)	#139	vs SD	Robbie Ray (11-7)	#96
Mon, Aug 31st	@ TEX	Jacob deGrom (9-9)	#8	vs NYM	Robert Stock (0-3)	#231
Tue, Sep 1st	@ TEX	MacKenzie Gore (7-10)	#37	vs NYM	Sean Manaea (4-5)	#64
Wed, Sep 2nd	@ TEX	Cody Bradford (0-2)	#99	vs NYM	Christian Scott (4-3)	#56
Thu, Sep 3rd	@ SEA	Emerson Hancock (7-7)	#72	@ TEX
Fri, Sep 4th	@ SEA	Kade Anderson (0-0)	#65	@ TEX
Sat, Sep 5th	@ SEA			@ TEX
Sun, Sep 6th	@ SEA			@ TEX
Tue, Sep 8th	vs TOR			@ ATL
Wed, Sep 9th	vs TOR			@ ATL
Thu, Sep 10th				@ ATL
Fri, Sep 11th	vs SEA			vs HOU
Sat, Sep 12th	vs SEA			vs HOU
Sun, Sep 13th	vs SEA			vs HOU
Tue, Sep 15th	@ TB			vs ATH
Wed, Sep 16th	@ TB			vs ATH
Thu, Sep 17th	@ TB			vs ATH
Fri, Sep 18th	@ CLE			vs BOS
Sat, Sep 19th	@ CLE			vs BOS
Sun, Sep 20th	@ CLE			vs BOS
Tue, Sep 22nd	vs LAA			@ NYY
Wed, Sep 23rd	vs LAA			@ NYY
Thu, Sep 24th	vs HOU			@ NYY
Fri, Sep 25th	vs HOU			@ PHI
Sat, Sep 26th	vs HOU			@ PHI
Sun, Sep 27th	vs HOU			@ PHI
Fri, Mar 27th	@ TOR	Kevin Gausman (7-11)	#27
Thu, Apr 9th	@ NYY	Ryan Weathers (5-8)	#229
Mon, Apr 13th	vs TEX	Nathan Eovaldi (10-9)	#97
Thu, Apr 30th	vs KC	Noah Cameron (8-8)	#70
Sat, May 9th	@ BAL	Shane Baz (4-14)	#68
Thu, May 14th	vs STL	Michael McGreevy (5-9)	#89
Thu, May 21st	@ LAA	Jose Soriano (10-7)	#42
Sat, May 23rd	@ SD	Lucas Giolito (2-3)	#318
Thu, Jun 4th	@ CHC	Shota Imanaga (8-9)	#24
Thu, Jun 18th	vs LAA	Ryan Johnson (3-7)	#221
Mon, Jun 29th	vs LAD	Eric Lauer (8-6)	#358
Mon, Jul 27th	vs BOS	Payton Tolle (8-6)	#23
Thu, Aug 6th	@ CIN	Andrew Abbott (6-9)	#103
Mon, Sep 7th	vs TOR