Mark Leiter Jr. or Tristan Beck

Baseball Stats Comparison

Stats
Projections
News & Notes
Schedule

Mark Leiter Jr. or Tristan Beck Player Statistics
	Mark Leiter Jr. RP - ATH	Tristan Beck RP - SF
2026 Stats


Games Played	36	11

Games Started	0	0

Innings Pitched	33.2	14.0

Wins	0	0

Losses	1	0

Saves	4	1

Blown Saves	2	0

Holds	5	0

Hits Allowed	32	17

Earned Runs	16	11

Home Runs Allowed	2	2

Strikeouts	38	6

Walks	11	5

ERA	4.28	7.07

WHIP	1.28	1.57

Mark Leiter Jr. or Tristan Beck Player Projections
	Mark Leiter Jr. RP - ATH	Tristan Beck RP - SF
2026 Projections


Games Played	61	23

Games Started	0	0

Innings Pitched	59.9	31.8

Wins	4	1

Losses	4	1

Saves	5	0

Blown Saves	1	0

Holds	13	2

Hits Allowed	56	30

Earned Runs	29	16

Home Runs Allowed	8	4

Strikeouts	66	27

Walks	23	10

ERA	4.36	4.53

WHIP	1.33	1.26

Mark Leiter Jr. or Tristan Beck Player Notes
	Mark Leiter Jr. RP - ATH	Tristan Beck RP - SF
News
	The Athletics transferred Mark Leiter Jr. to the 60-day injured list. Ari Koslow Thu, Jul 30th	The Giants optioned Tristan Beck to Triple-A Sacramento. Ari Koslow Fri, Aug 7th
	Mark Leiter Jr. underwent successful surgery on Tuesday. Ari Koslow Tue, Jul 28th	The Giants recalled Tristan Beck from Triple-A Sacramento. Ari Koslow Mon, Aug 3rd
	Athletics right-hander Mark Leiter Jr. (hip) is set to undergo surgery on Tuesday. Brenton Kemp Mon, Jul 27th	The Giants optioned Tristan Beck to Triple-A Sacramento. Ari Koslow Sun, Jul 26th
	The Athletics placed Mark Leiter Jr. on the 15-day injured list with a right hip impingement. Ari Koslow Tue, Jul 21st	Giants right-hander Tristan Beck has joined the team ahead of Tuesday's contest against the Royals. Brenton Kemp Tue, Jul 21st
	The Athletics activated Mark Leiter Jr. from the injured list. Ari Koslow Fri, Jul 3rd	The Giants optioned Tristan Beck to Triple-A Sacramento. Ari Koslow Wed, Jun 24th
Notes
There are no recent notes for these players

Mark Leiter Jr. or Tristan Beck Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	Mark Leiter Jr. RP - ATH			Tristan Beck RP - SF
Fri, Mar 27th	@ TOR	Kevin Gausman (9-12)	#26	vs NYY	Cam Schlittler (14-6)	#13
Sat, Mar 28th	@ TOR	Dylan Cease (11-5)	#11	vs NYY	Will Warren (10-6)	#50
Sun, Mar 29th	@ TOR	Eric Lauer (8-7)
Mon, Mar 30th	@ ATL	Bryce Elder (8-8)		@ SD	Walker Buehler (8-6)	#156
Tue, Mar 31st	@ ATL	Jose Suarez		@ SD	German Marquez (4-2)	#291
Wed, Apr 1st	@ ATL	Chris Sale (14-9)	#7	@ SD	Nick Pivetta (2-2)	#25
Fri, Apr 3rd	vs HOU	Cristian Javier (2-6)	#104	vs NYM	Nolan McLean (11-10)	#39
Sat, Apr 4th	vs HOU	Tatsuya Imai (6-4)	#138	vs NYM	Clay Holmes (6-7)	#76
Sun, Apr 5th	vs HOU	Lance McCullers Jr. (2-3)		vs NYM	Kodai Senga (0-9)	#129
Tue, Apr 7th	@ NYY	Cam Schlittler (14-6)	#13	vs PHI	Cristopher Sanchez (17-6)	#2
Wed, Apr 8th	@ NYY	Will Warren (10-6)	#50	vs PHI	Aaron Nola (7-10)	#54
Thu, Apr 9th	@ NYY	Ryan Weathers (5-8)	#250
Fri, Apr 10th	@ NYM	Clay Holmes (6-7)	#76	@ BAL	Shane Baz (6-15)	#81
Sat, Apr 11th	@ NYM	Kodai Senga (0-9)	#129	@ BAL	Chris Bassitt (8-5)	#117
Sun, Apr 12th	@ NYM	Freddy Peralta (9-11)	#56	@ BAL	Cade Povich (2-1)	#221
Mon, Apr 13th	vs TEX	Nathan Eovaldi (11-9)	#97
Tue, Apr 14th	vs TEX	MacKenzie Gore (8-11)	#49	@ CIN	Brady Singer (6-15)	#157
Wed, Apr 15th	vs TEX	Kumar Rocker (5-11)	#95	@ CIN	Rhett Lowder (6-11)	#126
Thu, Apr 16th	vs TEX	Jack Leiter (3-7)	#169	@ CIN	Chase Burns (15-3)	#28
Fri, Apr 17th	vs CWS	Davis Martin (9-7)	#103	@ WSH	Zack Littell (8-8)	#327
Sat, Apr 18th	vs CWS	Erick Fedde (8-9)	#357	@ WSH	Cade Cavalli (12-5)	#36
Sun, Apr 19th	vs CWS	Noah Schultz (3-9)	#285	@ WSH	PJ Poulin (3-0)
Mon, Apr 20th	@ SEA	Emerson Hancock (7-8)	#135
Tue, Apr 21st	@ SEA	Luis Castillo (4-11)	#88	vs LAD	Yoshinobu Yamamoto (14-8)	#3
Wed, Apr 22nd	@ SEA	Logan Gilbert (12-10)	#14	vs LAD	Shohei Ohtani (8-2)	#48
Fri, Apr 24th	@ TEX	Nathan Eovaldi (11-9)	#97	vs MIA	Sandy Alcantara (13-10)	#71
Sat, Apr 25th	@ TEX	MacKenzie Gore (8-11)	#49	vs MIA	Eury Perez (7-11)	#40
Sun, Apr 26th	@ TEX	Kumar Rocker (5-11)	#95	vs MIA	Max Meyer (9-1)
Tue, Apr 28th	vs KC	Kris Bubic (3-2)	#137	@ PHI	Jesus Luzardo (14-5)	#16
Wed, Apr 29th	vs KC	Michael Wacha (9-9)	#65
Thu, Apr 30th	vs KC	Noah Cameron (9-8)	#58	@ PHI	Tim Mayza (3-3)	#143
Fri, May 1st	vs CLE	Joey Cantillo (9-9)	#75	@ TB	Shane McClanahan (10-7)	#163
Sat, May 2nd	vs CLE	Slade Cecconi (4-7)	#204	@ TB	Griffin Jax (7-10)	#20
Sun, May 3rd	vs CLE	Parker Messick (12-9)	#31	@ TB	Steven Matz (5-5)	#142
Tue, May 5th	@ PHI	Cristopher Sanchez (17-6)	#2	vs SD	Walker Buehler (8-6)	#156
Wed, May 6th	@ PHI	Zack Wheeler (13-5)	#8	vs SD	Bradgley Rodriguez (3-3)	#229
Thu, May 7th	@ PHI	Andrew Painter (3-9)	#118
Fri, May 8th	@ BAL	Kyle Bradish (7-14)		vs PIT	Carmen Mlodzinski (7-7)	#86
Sat, May 9th	@ BAL	Shane Baz (6-15)	#81	vs PIT	Braxton Ashcraft (14-6)
Sun, May 10th	@ BAL	Keegan Akin (0-1)		vs PIT	Bubba Chandler (8-9)	#123
Tue, May 12th	vs STL	Andre Pallante (12-7)	#106	@ LAD	Yoshinobu Yamamoto (14-8)	#3
Wed, May 13th	vs STL	Matthew Liberatore (5-14)	#83	@ LAD	Shohei Ohtani (8-2)	#48
Thu, May 14th	vs STL	Michael McGreevy (7-9)	#93	@ LAD	Emmet Sheehan (5-8)	#140
Fri, May 15th	vs SF	Tyler Mahle (6-10)	#60	@ ATH	Aaron Civale (6-7)	#184
Sat, May 16th	vs SF	Trevor McDonald (3-7)		@ ATH	Luis Severino (2-6)
Sun, May 17th	vs SF	Adrian Houser (4-7)		@ ATH	Jeffrey Springs (4-14)	#155
Mon, May 18th	@ LAA	Walbert Urena (9-10)	#302	@ ARI	Zac Gallen (3-9)	#218
Tue, May 19th	@ LAA	Reid Detmers (6-8)	#19	@ ARI	Ryne Nelson (3-5)	#167
Wed, May 20th	@ LAA	Jack Kochanowicz (2-5)		@ ARI	Merrill Kelly (9-14)	#124
Thu, May 21st	@ LAA	Jose Soriano (12-7)	#46
Fri, May 22nd	@ SD	Walker Buehler (8-6)	#156	vs CWS	Davis Martin (9-7)	#103
Sat, May 23rd	@ SD	Lucas Giolito (2-3)		vs CWS	Bryan Hudson (5-4)	#207
Sun, May 24th	@ SD	Michael King (12-9)	#59	vs CWS	Noah Schultz (3-9)	#285
Mon, May 25th	vs SEA	Luis Castillo (4-11)	#88	vs ARI	Merrill Kelly (9-14)	#124
Tue, May 26th	vs SEA	Emerson Hancock (7-8)	#135	vs ARI	Eduardo Rodriguez (15-6)	#110
Wed, May 27th	vs SEA	Logan Gilbert (12-10)	#14	vs ARI	Michael Soroka (8-5)	#70
Fri, May 29th	vs NYY	Carlos Rodon (6-3)	#47	@ COL	Michael Lorenzen (3-13)	#166
Sat, May 30th	vs NYY	Ryan Weathers (5-8)	#250	@ COL	Ryan Feltner (6-10)	#389
Sun, May 31st	vs NYY	Will Warren (10-6)	#50	@ COL	Tanner Gordon (1-5)	#384
Tue, Jun 2nd	@ CHC	Jameson Taillon (2-6)		@ MIL	Kyle Harrison (10-5)	#109
Wed, Jun 3rd	@ CHC	Colin Rea (8-8)	#197	@ MIL	Robert Gasser (4-5)	#67
Thu, Jun 4th	@ CHC	Shota Imanaga (11-10)	#33	@ MIL	Coleman Crow (0-1)	#177
Fri, Jun 5th	@ HOU	Peter Lambert (8-9)	#111	@ CHC	Edward Cabrera (5-5)	#145
Sat, Jun 6th	@ HOU	Tatsuya Imai (6-4)	#138	@ CHC	Ben Brown (4-2)
Sun, Jun 7th	@ HOU	Mike Burrows (4-9)	#299	@ CHC	Jameson Taillon (2-6)
Mon, Jun 8th	vs MIL	Kyle Harrison (10-5)	#109	vs WSH	Richard Lovelady (3-4)	#346
Tue, Jun 9th	vs MIL	Robert Gasser (4-5)	#67	vs WSH	Andrew Alvarez (2-6)	#151
Wed, Jun 10th	vs MIL	Brandon Sproat (3-7)	#258	vs WSH	Foster Griffin (15-5)	#57
Fri, Jun 12th	vs COL	Sean Sullivan (0-3)	#376	vs CHC	Javier Assad (6-1)	#191
Sat, Jun 13th	vs COL	Kyle Freeland (4-10)	#369	vs CHC	Ben Brown (4-2)
Sun, Jun 14th	vs COL	Tomoyuki Sugano (12-10)	#391	vs CHC	Ryan Rolison
Mon, Jun 15th	vs PIT	Jared Jones (4-6)	#37
Tue, Jun 16th	vs PIT	Mitch Keller (6-8)
Wed, Jun 17th	vs PIT	Braxton Ashcraft (14-6)		@ ATL	JR Ritchie (1-3)	#193
Thu, Jun 18th	vs LAA	Ryan Johnson (5-8)	#231
Fri, Jun 19th	vs LAA	Jose Soriano (12-7)	#46	@ MIA	Lake Bachar (1-4)	#261
Sat, Jun 20th	vs LAA	Walbert Urena (9-10)	#302	@ MIA	Max Meyer (9-1)
Sun, Jun 21st	vs LAA	Reid Detmers (6-8)	#19	@ MIA	Ryan Gusto (1-5)	#154
Tue, Jun 23rd	@ SF	Robbie Ray (13-8)	#105	vs ATH	Aaron Civale (6-7)	#184
Wed, Jun 24th	@ SF	Tyler Mahle (6-10)	#60	vs ATH	Gage Jump (6-11)
Thu, Jun 25th	@ SF	Landen Roupp (9-14)	#91	vs ATH	Jeffrey Springs (4-14)	#155
Fri, Jun 26th	@ LAA	Walbert Urena (9-10)	#302	vs ATL	Reynaldo Lopez (4-5)
Sat, Jun 27th	@ LAA	Reid Detmers (6-8)	#19	vs ATL	Bryce Elder (8-8)
Sun, Jun 28th	@ LAA	Sam Aldegheri (3-4)	#349	vs ATL	Chris Sale (14-9)	#7
Mon, Jun 29th	vs LAD	Eric Lauer (8-7)		@ ARI	Eduardo Rodriguez (15-6)	#110
Tue, Jun 30th	vs LAD	Justin Wrobleski (11-5)	#134	@ ARI	Brandon Pfaadt (7-3)	#94
Wed, Jul 1st	vs LAD	Jack Dreyer (5-2)	#127	@ ARI	Zac Gallen (3-9)	#218
Fri, Jul 3rd	vs MIA	Tyler Phillips (5-6)	#298	@ COL	Ryan Feltner (6-10)	#389
Sat, Jul 4th	vs MIA	Sandy Alcantara (13-10)	#71	@ COL	Sean Sullivan (0-3)	#376
Sun, Jul 5th	vs MIA	Eury Perez (7-11)	#40	@ COL	Tanner Gordon (1-5)	#384
Tue, Jul 7th	@ DET	Tarik Skubal (10-7)	#1	vs TOR	Spencer Miles (6-2)	#119
Wed, Jul 8th	@ DET	Troy Melton (8-4)	#73	vs TOR	Dylan Cease (11-5)	#11
Thu, Jul 9th	@ DET	Framber Valdez (10-11)	#42	vs COL	Ryan Feltner (6-10)	#389
Fri, Jul 10th	@ CWS	Sean Burke (9-7)	#87	vs COL	Tanner Gordon (1-5)	#384
Sat, Jul 11th	@ CWS	Bryan Hudson (5-4)	#207	vs COL	Kyle Freeland (4-10)	#369
Sun, Jul 12th	@ CWS	Noah Schultz (3-9)	#285	vs COL	Michael Lorenzen (3-13)	#166
Fri, Jul 17th	vs WSH	Cade Cavalli (12-5)	#36	@ SEA	Bryce Miller (4-9)	#44
Sat, Jul 18th	vs WSH	Zack Littell (8-8)	#327	@ SEA	Bryan Woo (12-9)	#10
Sun, Jul 19th	vs WSH	Foster Griffin (15-5)	#57	@ SEA	Logan Gilbert (12-10)	#14
Mon, Jul 20th	@ ARI	Mitch Bratt (1-3)		@ KC	Michael Wacha (9-9)	#65
Tue, Jul 21st	@ ARI	Kohl Drake (0-1)	#345	@ KC	Luinder Avila (5-4)
Wed, Jul 22nd	@ ARI	Merrill Kelly (9-14)	#124	@ KC	Seth Lugo (7-9)	#116
Fri, Jul 24th	@ MIN	Zebby Matthews (9-10)	#63	vs LAA	Grayson Rodriguez (4-7)	#136
Sat, Jul 25th	@ MIN	Kendry Rojas (1-1)	#246	vs LAA	Ryan Johnson (5-8)	#231
Sun, Jul 26th	@ MIN	Connor Prielipp (5-7)	#96	vs LAA	Jose Soriano (12-7)	#46
Mon, Jul 27th	vs BOS	Payton Tolle (9-6)	#21	vs MIL	Brandon Sproat (3-7)	#258
Tue, Jul 28th	vs BOS	Jake Bennett (9-7)	#61	vs MIL	Logan Henderson (10-3)	#23
Wed, Jul 29th	vs BOS	Patrick Sandoval (1-6)	#74	vs MIL	Thomas Pannone (0-1)	#208
Thu, Jul 30th	vs BOS	Sonny Gray (17-5)	#34	@ SD	JP Sears (3-4)	#217
Fri, Jul 31st	vs DET	Tyler Holton (2-5)	#160	@ SD	Bradgley Rodriguez (3-3)	#229
Sat, Aug 1st	vs DET	Framber Valdez (10-11)	#42	@ SD	Walker Buehler (8-6)	#156
Sun, Aug 2nd	vs DET	Keider Montero (9-9)	#100	@ SD	Kyle Hart (1-3)	#190
Tue, Aug 4th	@ CIN	Brady Singer (6-15)	#157	@ TEX	MacKenzie Gore (8-11)	#49
Wed, Aug 5th	@ CIN	Rhett Lowder (6-11)	#126	@ TEX	Cody Bradford (0-5)	#89
Thu, Aug 6th	@ CIN	Andrew Abbott (6-11)	#122
Fri, Aug 7th	@ BOS	Payton Tolle (9-6)	#21	vs DET	Keider Montero (9-9)	#100
Sat, Aug 8th	@ BOS	Jake Bennett (9-7)	#61	vs DET	Jackson Jobe (2-2)	#211
Sun, Aug 9th	@ BOS	Erik Miller		vs DET	Troy Melton (8-4)	#73
Mon, Aug 10th	vs TB	Freddy Peralta (9-11)	#56	vs HOU	Hayden Wesneski (5-2)	#79
Tue, Aug 11th	vs TB	Nick Martinez (15-4)	#77	vs HOU	Hunter Brown (6-3)	#27
Wed, Aug 12th	vs TB	Drew Rasmussen (15-5)	#9	vs HOU	Bryan King
Fri, Aug 14th	vs TEX	Kumar Rocker (5-11)	#95	vs COL	Kyle Freeland (4-10)	#369
Sat, Aug 15th	vs TEX	MacKenzie Gore (8-11)	#49	vs COL	Michael Lorenzen (3-13)	#166
Sun, Aug 16th	vs TEX	Cody Bradford (0-5)	#89	vs COL	Gabriel Hughes (0-8)	#386
Mon, Aug 17th	@ KC	Michael Wacha (9-9)	#65
Tue, Aug 18th	@ KC	Daniel Lynch (6-5)	#276	@ CLE	Foster Griffin (15-5)	#57
Wed, Aug 19th	@ KC	Seth Lugo (7-9)	#116	@ CLE	Parker Messick (12-9)	#31
Thu, Aug 20th	@ KC	Randy Dobnak (3-4)	#371	@ CLE	Gavin Williams (13-8)	#18
Fri, Aug 21st	@ HOU	Hayden Wesneski (5-2)	#79	@ BOS	Sonny Gray (17-5)	#34
Sat, Aug 22nd	@ HOU	Hunter Brown (6-3)	#27	@ BOS	Patrick Sandoval (1-6)	#74
Sun, Aug 23rd	@ HOU	Cristian Javier (2-6)	#104	@ BOS	Jake Bennett (9-7)	#61
Mon, Aug 24th	vs MIN	Zebby Matthews (9-10)	#63	vs CIN	Chase Burns (15-3)	#28
Tue, Aug 25th	vs MIN	Taj Bradley (11-6)	#35	vs CIN	Brady Singer (6-15)	#157
Wed, Aug 26th	vs MIN	Connor Prielipp (5-7)	#96	vs CIN	Nick Lodolo (3-5)	#101
Fri, Aug 28th	vs BAL	Brandon Young (9-4)	#108	vs ARI	Kohl Drake (0-1)	#345
Sat, Aug 29th	vs BAL	Shane Baz (6-15)	#81	vs ARI	Mitch Bratt (1-3)
Sun, Aug 30th	vs BAL	Chris Bassitt (8-5)	#117
Mon, Aug 31st	@ TEX	Jacob deGrom (11-9)	#4	@ ATL	Bryce Elder (8-8)
Tue, Sep 1st	@ TEX	MacKenzie Gore (8-11)	#49	@ PIT	Paul Skenes (10-11)	#5
Wed, Sep 2nd	@ TEX	Cody Bradford (0-5)	#89	@ PIT	Bubba Chandler (8-9)	#123
Thu, Sep 3rd	@ SEA	Kade Anderson (1-2)	#38	@ PIT	Lake Bachar (1-4)	#261
Fri, Sep 4th	@ SEA	Logan Gilbert (12-10)	#14	@ NYM	Nolan McLean (11-10)	#39
Sat, Sep 5th	@ SEA	George Kirby (9-11)	#29	@ NYM	Zac Thornton (4-5)	#115
Sun, Sep 6th	@ SEA	Bryan Woo (12-9)	#10	@ NYM	Christian Scott (4-5)	#43
Mon, Sep 7th	vs TOR	Dylan Cease (11-5)	#11	vs STL	Michael McGreevy (7-9)	#93
Tue, Sep 8th	vs TOR	Jose Soriano (12-7)	#46	vs STL	Quinn Mathews (2-3)	#99
Wed, Sep 9th	vs TOR	Braydon Fisher (3-4)	#206	vs STL	Andre Pallante (12-7)	#106
Fri, Sep 11th	vs SEA	George Kirby (9-11)	#29	vs SD	Robbie Ray (13-8)	#105
Sat, Sep 12th	vs SEA	Bryan Woo (12-9)	#10	vs SD	Michael King (12-9)	#59
Sun, Sep 13th	vs SEA	Bryce Miller (4-9)	#44	vs SD	Nick Pivetta (2-2)	#25
Tue, Sep 15th	@ TB	Griffin Jax (7-10)	#20	@ STL	Andre Pallante (12-7)	#106
Wed, Sep 16th	@ TB	Nick Martinez (15-4)	#77	@ STL	Matthew Liberatore (5-14)	#83
Thu, Sep 17th	@ TB	Drew Rasmussen (15-5)	#9
Fri, Sep 18th	@ CLE	Daniel Espino (0-0)	#173	@ LAD	Tyler Glasnow (4-1)	#15
Sat, Sep 19th	@ CLE	Tanner Bibee (6-15)	#62	@ LAD	Justin Wrobleski (11-5)	#134
Sun, Sep 20th	@ CLE	Gavin Williams (13-8)	#18	@ LAD	Tarik Skubal (10-7)	#1
Tue, Sep 22nd	vs LAA	Yusei Kikuchi (1-6)	#66	vs MIN	Zebby Matthews (9-10)	#63
Wed, Sep 23rd	vs LAA	Walbert Urena (9-10)	#302	vs MIN	Taj Bradley (11-6)	#35
Thu, Sep 24th	vs HOU	Peter Lambert (8-9)	#111
Fri, Sep 25th	vs HOU	Hayden Wesneski (5-2)	#79	vs LAD
Sat, Sep 26th	vs HOU			vs LAD
Sun, Sep 27th	vs HOU	Cristian Javier (2-6)	#104	vs LAD
Wed, Mar 25th				vs NYY	Max Fried (5-4)	#17
Thu, Apr 2nd				vs NYM	David Peterson (8-8)	#92
Mon, Apr 6th				vs PHI	Andrew Painter (3-9)	#118
Thu, Apr 23rd				vs LAD	Tyler Glasnow (4-1)	#15
Mon, May 4th				vs SD	Randy Vasquez (10-6)	#275
Mon, May 11th				@ LAD	Roki Sasaki (5-5)	#80
Mon, Jun 1st				@ MIL	Shane Drohan (7-5)	#68
Mon, Jul 6th				vs TOR	Kevin Gausman (9-12)	#26
Mon, Aug 3rd				@ TEX	Cal Quantrill (9-5)	#131
Thu, Aug 27th				vs ARI
Mon, Sep 14th				@ STL	Quinn Mathews (2-3)	#99
Mon, Sep 21st				vs MIN	Bailey Ober (7-6)	#72