Mark Leiter Jr. or Rob Zastryzny

Baseball Stats Comparison

Stats
Projections
News & Notes
Schedule

Mark Leiter Jr. or Rob Zastryzny Player Statistics
	Mark Leiter Jr. RP - ATH	Rob Zastryzny RP - MIL
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	‐

Mark Leiter Jr. or Rob Zastryzny Player Projections
	Mark Leiter Jr. RP - ATH	Rob Zastryzny RP - MIL
2026 Projections


Games Played	61	42

Games Started	0	1

Innings Pitched	59.9	41.5

Wins	4	2

Losses	4	2

Saves	5	0

Blown Saves	1	0

Holds	13	4

Hits Allowed	56	39

Earned Runs	29	21

Home Runs Allowed	8	6

Strikeouts	66	39

Walks	23	16

ERA	4.36	4.61

WHIP	1.33	1.34

Mark Leiter Jr. or Rob Zastryzny Player Notes
	Mark Leiter Jr. RP - ATH	Rob Zastryzny RP - MIL
News
	The Athletics transferred Mark Leiter Jr. to the 60-day injured list. Ari Koslow Thu, Jul 30th	Rob Zastryzny will make his next rehab appearance on Wednesday. Ari Koslow Tue, Sep 15th
	Mark Leiter Jr. underwent successful surgery on Tuesday. Ari Koslow Tue, Jul 28th	Rob Zastryzny was sent to Triple-A Nashville on a rehab assignment. Ari Koslow Sun, Sep 13th
	Athletics right-hander Mark Leiter Jr. (hip) is set to undergo surgery on Tuesday. Brenton Kemp Mon, Jul 27th	Rob Zastryzny was pulled from his rehab assignment due to recurring symptoms. Ari Koslow Thu, Aug 20th
	The Athletics placed Mark Leiter Jr. on the 15-day injured list with a right hip impingement. Ari Koslow Tue, Jul 21st	The Milwaukee Brewers have transferred reliever Rob Zastryzny (trap) to the 60-day injured list. Brenton Kemp Wed, Jul 15th
	The Athletics activated Mark Leiter Jr. from the injured list. Ari Koslow Fri, Jul 3rd	The Brewers say Rob Zastryzny will begin a rehab assignment in the Arizona Complex League on Friday. Ari Koslow Fri, Jul 3rd
Notes
There are no recent notes for these players

Mark Leiter Jr. or Rob Zastryzny Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	Mark Leiter Jr. RP - ATH			Rob Zastryzny RP - MIL
Fri, Mar 27th	@ TOR	Kevin Gausman (9-12)	#32
Sat, Mar 28th	@ TOR	Dylan Cease (11-5)	#4	vs CWS	Sean Burke (9-7)	#74
Sun, Mar 29th	@ TOR	Eric Lauer (8-7)		vs CWS	Anthony Kay (9-9)	#129
Mon, Mar 30th	@ ATL	Bryce Elder (8-8)		vs TB	Nick Martinez (14-4)	#80
Tue, Mar 31st	@ ATL	Jose Suarez		vs TB	Shane McClanahan (10-7)	#172
Wed, Apr 1st	@ ATL	Chris Sale (14-9)	#5	vs TB	Drew Rasmussen (14-5)	#14
Fri, Apr 3rd	vs HOU	Cristian Javier (2-5)	#102
Sat, Apr 4th	vs HOU	Tatsuya Imai (6-4)	#186	@ KC	Seth Lugo (7-8)	#118
Sun, Apr 5th	vs HOU	Lance McCullers Jr. (2-3)		@ KC	Kris Bubic (3-2)	#162
Tue, Apr 7th	@ NYY	Cam Schlittler (14-6)	#13	@ BOS	Garrett Crochet (3-3)
Wed, Apr 8th	@ NYY	Will Warren (10-6)	#61	@ BOS	Sonny Gray (17-5)	#33
Thu, Apr 9th	@ NYY	Ryan Weathers (5-8)	#144
Fri, Apr 10th	@ NYM	Clay Holmes (6-7)	#64	vs WSH	Jake Irvin (2-9)	#140
Sat, Apr 11th	@ NYM	Kodai Senga (0-9)	#79	vs WSH	Foster Griffin (15-5)	#52
Sun, Apr 12th	@ NYM	Freddy Peralta (9-11)	#44	vs WSH	Zack Littell (8-8)	#272
Mon, Apr 13th	vs TEX	Nathan Eovaldi (10-9)	#122
Tue, Apr 14th	vs TEX	MacKenzie Gore (8-11)	#48	vs TOR	Kevin Gausman (9-12)	#32
Wed, Apr 15th	vs TEX	Kumar Rocker (5-11)	#119	vs TOR	Dylan Cease (11-5)	#4
Thu, Apr 16th	vs TEX	Jack Leiter (3-7)	#212	vs TOR	Patrick Corbin (3-4)
Fri, Apr 17th	vs CWS	Davis Martin (9-7)	#91	@ MIA	Janson Junk (6-9)	#110
Sat, Apr 18th	vs CWS	Erick Fedde (8-9)	#366	@ MIA	Sandy Alcantara (13-10)	#97
Sun, Apr 19th	vs CWS	Noah Schultz (3-9)	#242	@ MIA	Eury Perez (7-11)	#49
Mon, Apr 20th	@ SEA	Emerson Hancock (7-8)	#208
Tue, Apr 21st	@ SEA	Luis Castillo (4-11)	#114	@ DET	Keider Montero (9-8)	#127
Wed, Apr 22nd	@ SEA	Logan Gilbert (12-10)	#6	@ DET	Casey Mize (6-9)	#45
Fri, Apr 24th	@ TEX	Nathan Eovaldi (10-9)	#122	vs PIT	Paul Skenes (10-11)	#11
Sat, Apr 25th	@ TEX	MacKenzie Gore (8-11)	#48	vs PIT	Mitch Keller (6-8)
Sun, Apr 26th	@ TEX	Kumar Rocker (5-11)	#119	vs PIT	Carmen Mlodzinski (7-6)	#88
Tue, Apr 28th	vs KC	Kris Bubic (3-2)	#162	vs ARI	Merrill Kelly (9-13)	#136
Wed, Apr 29th	vs KC	Michael Wacha (9-9)	#71	vs ARI	Eduardo Rodriguez (15-6)	#105
Thu, Apr 30th	vs KC	Noah Cameron (9-8)	#72	vs ARI	Michael Soroka (8-5)	#58
Fri, May 1st	vs CLE	Joey Cantillo (9-9)	#65	@ WSH	Jake Irvin (2-9)	#140
Sat, May 2nd	vs CLE	Slade Cecconi (4-7)	#148	@ WSH	Foster Griffin (15-5)	#52
Sun, May 3rd	vs CLE	Parker Messick (11-9)	#31	@ WSH	PJ Poulin (3-0)
Tue, May 5th	@ PHI	Cristopher Sanchez (17-6)	#3
Wed, May 6th	@ PHI	Zack Wheeler (12-5)	#7	@ STL	Andre Pallante (12-7)	#100
Thu, May 7th	@ PHI	Andrew Painter (3-9)	#113
Fri, May 8th	@ BAL	Kyle Bradish (7-14)		vs NYY	Max Fried (5-4)	#15
Sat, May 9th	@ BAL	Shane Baz (6-15)	#86	vs NYY	Cam Schlittler (14-6)	#13
Sun, May 10th	@ BAL	Keegan Akin (0-1)		vs NYY	Carlos Rodon (6-3)	#50
Tue, May 12th	vs STL	Andre Pallante (12-7)	#100	vs SD	Bradgley Rodriguez (3-3)	#138
Wed, May 13th	vs STL	Matthew Liberatore (5-14)	#85	vs SD	Michael King (11-9)	#55
Thu, May 14th	vs STL	Michael McGreevy (7-9)	#87	vs SD	Griffin Canning (4-9)	#154
Fri, May 15th	vs SF	Tyler Mahle (6-10)	#63	@ MIN	Joe Ryan (6-10)	#25
Sat, May 16th	vs SF	Trevor McDonald (3-7)		@ MIN	Connor Prielipp (5-7)	#115
Sun, May 17th	vs SF	Adrian Houser (4-7)		@ MIN	Bailey Ober (7-6)	#81
Mon, May 18th	@ LAA	Walbert Urena (9-10)	#147	@ CHC	Shota Imanaga (10-10)	#29
Tue, May 19th	@ LAA	Reid Detmers (6-8)	#20	@ CHC	Ben Brown (4-2)
Wed, May 20th	@ LAA	Jack Kochanowicz (2-5)		@ CHC	Edward Cabrera (5-5)	#169
Thu, May 21st	@ LAA	Jose Soriano (12-7)	#37
Fri, May 22nd	@ SD	Walker Buehler (8-6)	#153	vs LAD	Justin Wrobleski (11-5)	#182
Sat, May 23rd	@ SD	Lucas Giolito (2-3)		vs LAD	Roki Sasaki (5-5)	#76
Sun, May 24th	@ SD	Michael King (11-9)	#55	vs LAD	Yoshinobu Yamamoto (14-8)	#2
Mon, May 25th	vs SEA	Luis Castillo (4-11)	#114	vs STL	Matthew Liberatore (5-14)	#85
Tue, May 26th	vs SEA	Emerson Hancock (7-8)	#208	vs STL	Michael McGreevy (7-9)	#87
Wed, May 27th	vs SEA	Logan Gilbert (12-10)	#6	vs STL	Dustin May (7-9)	#53
Fri, May 29th	vs NYY	Carlos Rodon (6-3)	#50	@ HOU	Kai-Wei Teng (5-7)	#363
Sat, May 30th	vs NYY	Ryan Weathers (5-8)	#144	@ HOU	Peter Lambert (8-9)	#181
Sun, May 31st	vs NYY	Will Warren (10-6)	#61	@ HOU	Tatsuya Imai (6-4)	#186
Tue, Jun 2nd	@ CHC	Jameson Taillon (2-6)		vs SF	Trevor McDonald (3-7)
Wed, Jun 3rd	@ CHC	Colin Rea (8-8)	#224	vs SF	Logan Webb (8-9)	#26
Thu, Jun 4th	@ CHC	Shota Imanaga (10-10)	#29	vs SF	Adrian Houser (4-7)
Fri, Jun 5th	@ HOU	Peter Lambert (8-9)	#181	@ COL	Ryan Feltner (6-10)	#396
Sat, Jun 6th	@ HOU	Tatsuya Imai (6-4)	#186	@ COL	Zach Agnos (0-2)	#389
Sun, Jun 7th	@ HOU	Mike Burrows (4-9)	#259	@ COL	Kyle Freeland (4-10)	#393
Mon, Jun 8th	vs MIL	Kyle Harrison (10-4)	#108	@ ATH	Jeffrey Springs (4-13)	#164
Tue, Jun 9th	vs MIL	Robert Gasser (4-5)	#83	@ ATH	J.T. Ginn (9-8)
Wed, Jun 10th	vs MIL	Brandon Sproat (3-7)	#170	@ ATH	Jack Perkins (3-11)	#109
Fri, Jun 12th	vs COL	Sean Sullivan (0-3)		vs PHI	Tanner Banks
Sat, Jun 13th	vs COL	Kyle Freeland (4-10)	#393	vs PHI	Aaron Nola (6-10)	#51
Sun, Jun 14th	vs COL	Tomoyuki Sugano (12-10)	#394	vs PHI	Cristopher Sanchez (17-6)	#3
Mon, Jun 15th	vs PIT	Jared Jones (4-6)	#42
Tue, Jun 16th	vs PIT	Mitch Keller (6-8)		vs CLE	Slade Cecconi (4-7)	#148
Wed, Jun 17th	vs PIT	Braxton Ashcraft (14-6)		vs CLE	Gavin Williams (13-8)	#18
Thu, Jun 18th	vs LAA	Ryan Johnson (5-8)	#150	vs CLE	Parker Messick (11-9)	#31
Fri, Jun 19th	vs LAA	Jose Soriano (12-7)	#37	@ ATL	Martin Perez (9-9)	#137
Sat, Jun 20th	vs LAA	Walbert Urena (9-10)	#147	@ ATL	Chris Sale (14-9)	#5
Sun, Jun 21st	vs LAA	Reid Detmers (6-8)	#20	@ ATL	Bryce Elder (8-8)
Tue, Jun 23rd	@ SF	Robbie Ray (12-8)	#106	@ CIN	Nick Lodolo (3-5)	#120
Wed, Jun 24th	@ SF	Tyler Mahle (6-10)	#63	@ CIN	Rhett Lowder (6-11)	#151
Thu, Jun 25th	@ SF	Landen Roupp (9-14)	#99
Fri, Jun 26th	@ LAA	Walbert Urena (9-10)	#147	vs CHC	Colin Rea (8-8)	#224
Sat, Jun 27th	@ LAA	Reid Detmers (6-8)	#20	vs CHC	David Peterson (8-8)	#93
Sun, Jun 28th	@ LAA	Sam Aldegheri (3-4)	#329	vs CHC	Ryan Rolison
Mon, Jun 29th	vs LAD	Eric Lauer (8-7)		vs CIN	Nick Lodolo (3-5)	#120
Tue, Jun 30th	vs LAD	Justin Wrobleski (11-5)	#182	vs CIN	Rhett Lowder (6-11)	#151
Wed, Jul 1st	vs LAD	Jack Dreyer (5-2)	#209	vs CIN	Andrew Abbott (6-11)	#132
Fri, Jul 3rd	vs MIA	Tyler Phillips (5-6)	#335	@ ARI
Sat, Jul 4th	vs MIA	Sandy Alcantara (13-10)	#97	@ ARI	Merrill Kelly (9-13)	#136
Sun, Jul 5th	vs MIA	Eury Perez (7-11)	#49	@ ARI	Eduardo Rodriguez (15-6)	#105
Tue, Jul 7th	@ DET	Tarik Skubal (10-7)	#1	@ STL	Hunter Dobbins (3-3)
Wed, Jul 8th	@ DET	Troy Melton (8-4)	#57	@ STL	Michael McGreevy (7-9)	#87
Thu, Jul 9th	@ DET	Framber Valdez (10-10)	#36	@ STL	Andre Pallante (12-7)	#100
Fri, Jul 10th	@ CWS	Sean Burke (9-7)	#74
Sat, Jul 11th	@ CWS	Bryan Hudson (4-4)	#125	@ PIT	Bubba Chandler (8-9)	#107
Sun, Jul 12th	@ CWS	Noah Schultz (3-9)	#242	@ PIT	Paul Skenes (10-11)	#11
Fri, Jul 17th	vs WSH	Cade Cavalli (12-5)	#54	vs MIA	Sandy Alcantara (13-10)	#97
Sat, Jul 18th	vs WSH	Zack Littell (8-8)	#272	vs MIA	Max Meyer (9-1)
Sun, Jul 19th	vs WSH	Foster Griffin (15-5)	#52	vs MIA	Eury Perez (7-11)	#49
Mon, Jul 20th	@ ARI	Mitch Bratt (1-3)		vs NYM	Freddy Peralta (9-11)	#44
Tue, Jul 21st	@ ARI	Kohl Drake (0-1)	#321	vs NYM	Zac Thornton (4-5)	#98
Wed, Jul 22nd	@ ARI	Merrill Kelly (9-13)	#136	vs NYM	Christian Scott (4-5)	#39
Fri, Jul 24th	@ MIN	Zebby Matthews (9-10)	#89	vs COL	Tomoyuki Sugano (12-10)	#394
Sat, Jul 25th	@ MIN	Kendry Rojas (1-1)	#195	vs COL	Ryan Feltner (6-10)	#396
Sun, Jul 26th	@ MIN	Connor Prielipp (5-7)	#115	vs COL	Kyle Freeland (4-10)	#393
Mon, Jul 27th	vs BOS	Payton Tolle (9-6)	#24	@ SF	Tyler Mahle (6-10)	#63
Tue, Jul 28th	vs BOS	Jake Bennett (9-7)	#67	@ SF	Landen Roupp (9-14)	#99
Wed, Jul 29th	vs BOS	Patrick Sandoval (1-6)	#104	@ SF	Logan Webb (8-9)	#26
Thu, Jul 30th	vs BOS	Sonny Gray (17-5)	#33
Fri, Jul 31st	vs DET	Tyler Holton (2-5)	#139	@ LAA	Ryan Johnson (5-8)	#150
Sat, Aug 1st	vs DET	Framber Valdez (10-10)	#36	@ LAA	Brent Suter (2-2)	#234
Sun, Aug 2nd	vs DET	Keider Montero (9-8)	#127	@ LAA	Walbert Urena (9-10)	#147
Tue, Aug 4th	@ CIN	Brady Singer (6-14)	#163	vs PIT	Jared Jones (4-6)	#42
Wed, Aug 5th	@ CIN	Rhett Lowder (6-11)	#151	vs PIT	Paul Skenes (10-11)	#11
Thu, Aug 6th	@ CIN	Andrew Abbott (6-11)	#132	vs PIT	Braxton Ashcraft (14-6)
Fri, Aug 7th	@ BOS	Payton Tolle (9-6)	#24	vs MIN	Zebby Matthews (9-10)	#89
Sat, Aug 8th	@ BOS	Jake Bennett (9-7)	#67	vs MIN	Taj Bradley (11-6)	#40
Sun, Aug 9th	@ BOS	Erik Miller		vs MIN	Connor Prielipp (5-7)	#115
Mon, Aug 10th	vs TB	Freddy Peralta (9-11)	#44	@ SD	Casey Mize (6-9)	#45
Tue, Aug 11th	vs TB	Nick Martinez (14-4)	#80	@ SD	Walker Buehler (8-6)	#153
Wed, Aug 12th	vs TB	Drew Rasmussen (14-5)	#14	@ SD	Robbie Ray (12-8)	#106
Fri, Aug 14th	vs TEX	Kumar Rocker (5-11)	#119	@ LAD	Yoshinobu Yamamoto (14-8)	#2
Sat, Aug 15th	vs TEX	MacKenzie Gore (8-11)	#48	@ LAD	Justin Wrobleski (11-5)	#182
Sun, Aug 16th	vs TEX	Cody Bradford (0-5)	#103	@ LAD	Tarik Skubal (10-7)	#1
Mon, Aug 17th	@ KC	Michael Wacha (9-9)	#71
Tue, Aug 18th	@ KC	Daniel Lynch (5-5)	#330	vs SEA	Bryce Miller (4-9)	#46
Wed, Aug 19th	@ KC	Seth Lugo (7-8)	#118	vs SEA	Logan Gilbert (12-10)	#6
Thu, Aug 20th	@ KC	Randy Dobnak (3-4)	#309	vs SEA	George Kirby (9-11)	#22
Fri, Aug 21st	@ HOU	Hayden Wesneski (5-2)	#78	vs ATL	Chris Sale (14-9)	#5
Sat, Aug 22nd	@ HOU	Hunter Brown (6-3)	#23	vs ATL	Martin Perez (9-9)	#137
Sun, Aug 23rd	@ HOU	Cristian Javier (2-5)	#102	vs ATL	Tyler Mahle (6-10)	#63
Mon, Aug 24th	vs MIN	Zebby Matthews (9-10)	#89
Tue, Aug 25th	vs MIN	Taj Bradley (11-6)	#40	@ NYM	Zac Thornton (4-5)	#98
Wed, Aug 26th	vs MIN	Connor Prielipp (5-7)	#115	@ NYM	Robert Stock (1-3)	#235
Fri, Aug 28th	vs BAL	Brandon Young (9-4)	#117	vs TEX	Cody Bradford (0-5)	#103
Sat, Aug 29th	vs BAL	Shane Baz (6-15)	#86	vs TEX	Cal Quantrill (9-5)	#142
Sun, Aug 30th	vs BAL	Chris Bassitt (7-5)	#126	vs TEX	Kumar Rocker (5-11)	#119
Mon, Aug 31st	@ TEX	Jacob deGrom (11-9)	#10	@ CHC	Clay Holmes (6-7)	#64
Tue, Sep 1st	@ TEX	MacKenzie Gore (8-11)	#48	@ CHC	Matthew Boyd (8-5)	#62
Wed, Sep 2nd	@ TEX	Cody Bradford (0-5)	#103	@ CHC	David Peterson (8-8)	#93
Thu, Sep 3rd	@ SEA	Kade Anderson (1-2)	#84	@ CHC	Kevin Gausman (9-12)	#32
Fri, Sep 4th	@ SEA	Logan Gilbert (12-10)	#6	@ CIN	Rhett Lowder (6-11)	#151
Sat, Sep 5th	@ SEA	George Kirby (9-11)	#22	@ CIN	Andrew Abbott (6-11)	#132
Sun, Sep 6th	@ SEA	Bryan Woo (12-9)	#16	@ CIN	Brady Singer (6-14)	#163
Mon, Sep 7th	vs TOR	Dylan Cease (11-5)	#4	vs CHC	Matthew Boyd (8-5)	#62
Tue, Sep 8th	vs TOR	Jose Soriano (12-7)	#37	vs CHC	David Peterson (8-8)	#93
Wed, Sep 9th	vs TOR	Braydon Fisher (3-4)	#231	vs CHC	Kevin Gausman (9-12)	#32
Fri, Sep 11th	vs SEA	George Kirby (9-11)	#22	vs CIN	Andrew Abbott (6-11)	#132
Sat, Sep 12th	vs SEA	Bryan Woo (12-9)	#16	vs CIN	Brady Singer (6-14)	#163
Sun, Sep 13th	vs SEA	Bryce Miller (4-9)	#46	vs CIN	Chase Burns (15-3)	#34
Tue, Sep 15th	@ TB	Griffin Jax (7-10)	#35	@ PIT	Lake Bachar (1-4)	#281
Wed, Sep 16th	@ TB	Nick Martinez (14-4)	#80	@ PIT	Jared Jones (4-6)	#42
Thu, Sep 17th	@ TB	Drew Rasmussen (14-5)	#14	@ PIT	Carmen Mlodzinski (7-6)	#88
Fri, Sep 18th	@ CLE	Joey Cantillo (9-9)	#65	@ BAL	Kyle Bradish (7-14)
Sat, Sep 19th	@ CLE	Tanner Bibee (6-15)	#75	@ BAL	Trevor Rogers (10-10)	#56
Sun, Sep 20th	@ CLE	Gavin Williams (13-8)	#18	@ BAL	Brandon Young (9-4)	#117
Tue, Sep 22nd	vs LAA	Yusei Kikuchi (1-5)	#68	@ PHI	Zack Wheeler (12-5)	#7
Wed, Sep 23rd	vs LAA	Walbert Urena (9-10)	#147	@ PHI	Aaron Nola (6-10)	#51
Thu, Sep 24th	vs HOU	Peter Lambert (8-9)	#181	@ PHI	Jesus Luzardo (14-5)	#17
Fri, Sep 25th	vs HOU	Hayden Wesneski (5-2)	#78	vs STL	Michael McGreevy (7-9)	#87
Sat, Sep 26th	vs HOU			vs STL
Sun, Sep 27th	vs HOU			vs STL
Thu, Mar 26th				vs CWS	Shane Smith (0-2)	#345
Mon, Apr 6th				@ BOS	Brayan Bello (6-7)	#111
Thu, Apr 23rd				@ DET	Tarik Skubal (10-7)	#1
Mon, May 4th				@ STL	Kyle Leahy (10-4)	#73
Mon, Jun 1st				vs SF	Landen Roupp (9-14)	#99
Mon, Jun 22nd				@ CIN	Brady Singer (6-14)	#163
Thu, Jul 2nd				vs CIN	Chase Burns (15-3)	#34
Mon, Jul 6th				@ STL	Dustin May (7-9)	#53
Mon, Aug 3rd				vs PIT	Bubba Chandler (8-9)	#107
Thu, Aug 13th				@ LAD	Roki Sasaki (5-5)	#76
Thu, Aug 27th				@ NYM	Sean Manaea (5-7)	#60