Mark Leiter Jr. or RJ Petit

Baseball Stats Comparison

Stats
Projections
News & Notes
Schedule

Mark Leiter Jr. or RJ Petit Player Statistics
	Mark Leiter Jr. RP - ATH	RJ Petit RP - COL
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 RJ Petit Player Projections
	Mark Leiter Jr. RP - ATH	RJ Petit RP - COL
2026 Projections


Games Played	61	32

Games Started	0	0

Innings Pitched	59.9	30.0

Wins	4	1

Losses	4	2

Saves	5	0

Blown Saves	1	0

Holds	13	1

Hits Allowed	56	30

Earned Runs	29	15

Home Runs Allowed	8	2

Strikeouts	66	27

Walks	23	12

ERA	4.36	4.51

WHIP	1.33	1.42

Mark Leiter Jr. or RJ Petit Player Notes
	Mark Leiter Jr. RP - ATH	RJ Petit RP - COL
News
	The Athletics transferred Mark Leiter Jr. to the 60-day injured list. Ari Koslow Thu, Jul 30th	RJ Petit has been cleared to begin throwing and is playing catch. Ari Koslow Mon, Sep 7th
	Mark Leiter Jr. underwent successful surgery on Tuesday. Ari Koslow Tue, Jul 28th	RJ Petit is scheduled to be cleared to begin throwing in three weeks. Ari Koslow Tue, Aug 11th
	Athletics right-hander Mark Leiter Jr. (hip) is set to undergo surgery on Tuesday. Brenton Kemp Mon, Jul 27th	The Rockies transferred RHP RJ Petit to the 60-day injured list. Ari Koslow Thu, Mar 26th
	The Athletics placed Mark Leiter Jr. on the 15-day injured list with a right hip impingement. Ari Koslow Tue, Jul 21st	RJ Petit underwent Tommy John surgery. Ari Koslow Sun, Mar 22nd
	The Athletics activated Mark Leiter Jr. from the injured list. Ari Koslow Fri, Jul 3rd	Petit (elbow) was selected in the Rule 5 Draft by Colorado. A UCL sprain has been diagnosed in his right elbow. Bruno Mulé Mon, Mar 9th
Notes
There are no recent notes for these players

Mark Leiter Jr. or RJ Petit Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	Mark Leiter Jr. RP - ATH			RJ Petit RP - COL
Fri, Mar 27th	@ TOR	Kevin Gausman (9-12)	#21	@ MIA	Sandy Alcantara (13-11)	#91
Sat, Mar 28th	@ TOR	Dylan Cease (11-6)	#128	@ MIA	Eury Perez (7-11)	#55
Sun, Mar 29th	@ TOR	Eric Lauer (8-7)		@ MIA	Max Meyer (9-1)
Mon, Mar 30th	@ ATL	Bryce Elder (8-8)		@ TOR	Cody Ponce (0-0)
Tue, Mar 31st	@ ATL	Jose Suarez		@ TOR	Max Scherzer (3-9)	#147
Wed, Apr 1st	@ ATL	Chris Sale (14-9)	#2	@ TOR	Kevin Gausman (9-12)	#21
Fri, Apr 3rd	vs HOU	Cristian Javier (2-6)	#169	vs PHI	Aaron Nola (7-11)	#52
Sat, Apr 4th	vs HOU	Tatsuya Imai (6-4)	#179	vs PHI	Jesus Luzardo (14-5)
Sun, Apr 5th	vs HOU	Lance McCullers Jr. (2-3)		vs PHI	Taijuan Walker (1-4)
Tue, Apr 7th	@ NYY	Cam Schlittler (14-6)	#14	vs HOU	Mike Burrows (4-9)	#225
Wed, Apr 8th	@ NYY	Will Warren (10-6)	#89	vs HOU	Cristian Javier (2-6)	#169
Thu, Apr 9th	@ NYY	Ryan Weathers (5-8)	#171	@ SD	Randy Vasquez (10-6)	#280
Fri, Apr 10th	@ NYM	Clay Holmes (6-8)	#82	@ SD	Walker Buehler (9-6)	#139
Sat, Apr 11th	@ NYM	Kodai Senga (0-9)	#69	@ SD	German Marquez (4-2)
Sun, Apr 12th	@ NYM	Freddy Peralta (9-11)	#56	@ SD	Nick Pivetta (3-2)	#45
Mon, Apr 13th	vs TEX	Nathan Eovaldi (11-10)	#65
Tue, Apr 14th	vs TEX	MacKenzie Gore (8-11)	#27	@ HOU	Colton Gordon (0-1)	#234
Wed, Apr 15th	vs TEX	Kumar Rocker (5-11)	#78	@ HOU	Spencer Arrighetti (9-9)	#254
Thu, Apr 16th	vs TEX	Jack Leiter (3-7)		@ HOU	Ryan Weiss (0-3)
Fri, Apr 17th	vs CWS	Davis Martin (9-7)	#96	vs LAD	Tyler Glasnow (5-1)	#10
Sat, Apr 18th	vs CWS	Erick Fedde (8-9)	#252	vs LAD	Emmet Sheehan (5-8)	#98
Sun, Apr 19th	vs CWS	Noah Schultz (4-9)	#191	vs LAD	Roki Sasaki (5-5)	#183
Mon, Apr 20th	@ SEA	Emerson Hancock (7-8)	#174	vs LAD	Justin Wrobleski (12-5)	#51
Tue, Apr 21st	@ SEA	Luis Castillo (4-11)	#161	vs SD	Randy Vasquez (10-6)	#280
Wed, Apr 22nd	@ SEA	Logan Gilbert (12-11)	#4	vs SD	Walker Buehler (9-6)	#139
Fri, Apr 24th	@ TEX	Nathan Eovaldi (11-10)	#65	@ NYM	Freddy Peralta (9-11)	#56
Sat, Apr 25th	@ TEX	MacKenzie Gore (8-11)	#27
Sun, Apr 26th	@ TEX	Kumar Rocker (5-11)	#78	@ NYM	Kodai Senga (0-9)	#69
Tue, Apr 28th	vs KC	Kris Bubic (4-2)	#99	@ CIN	Chase Burns (15-3)
Wed, Apr 29th	vs KC	Michael Wacha (9-9)	#97	@ CIN	Brandon Williamson (5-4)	#292
Thu, Apr 30th	vs KC	Noah Cameron (9-8)	#81	@ CIN	Andrew Abbott (6-11)	#131
Fri, May 1st	vs CLE	Joey Cantillo (10-9)	#58	vs ATL	Grant Holmes (10-5)	#148
Sat, May 2nd	vs CLE	Slade Cecconi (5-7)	#230	vs ATL	Chris Sale (14-9)	#2
Sun, May 3rd	vs CLE	Parker Messick (12-9)	#35	vs ATL	Spencer Strider (4-2)
Tue, May 5th	@ PHI	Cristopher Sanchez (18-6)	#11
Wed, May 6th	@ PHI	Zack Wheeler (13-5)	#7	vs NYM	Freddy Peralta (9-11)	#56
Thu, May 7th	@ PHI	Andrew Painter (3-10)	#164	vs NYM	Christian Scott (4-5)	#29
Fri, May 8th	@ BAL	Kyle Bradish (7-14)		@ PHI	Jesus Luzardo (14-5)
Sat, May 9th	@ BAL	Shane Baz (6-15)	#63	@ PHI	Aaron Nola (7-11)	#52
Sun, May 10th	@ BAL	Keegan Akin (0-1)		@ PHI	Cristopher Sanchez (18-6)	#11
Tue, May 12th	vs STL	Andre Pallante (12-8)	#94	@ PIT	Paul Skenes (10-11)	#9
Wed, May 13th	vs STL	Matthew Liberatore (6-14)	#90	@ PIT	Mitch Keller (6-8)
Thu, May 14th	vs STL	Michael McGreevy (7-9)	#117	@ PIT	Mason Montgomery (6-3)	#132
Fri, May 15th	vs SF	Tyler Mahle (7-10)	#53	vs ARI	Merrill Kelly (10-14)	#182
Sat, May 16th	vs SF	Trevor McDonald (3-7)		vs ARI	Eduardo Rodriguez (15-7)	#86
Sun, May 17th	vs SF	Adrian Houser (4-7)		vs ARI	Michael Soroka (9-5)	#49
Mon, May 18th	@ LAA	Walbert Urena (9-11)	#113	vs TEX	MacKenzie Gore (8-11)	#27
Tue, May 19th	@ LAA	Reid Detmers (6-8)	#34	vs TEX	Tyler Alexander (5-2)	#130
Wed, May 20th	@ LAA	Jack Kochanowicz (2-5)		vs TEX	Jack Leiter (3-7)
Thu, May 21st	@ LAA	Jose Soriano (12-8)	#19	@ ARI	Eduardo Rodriguez (15-7)	#86
Fri, May 22nd	@ SD	Walker Buehler (9-6)	#139	@ ARI	Michael Soroka (9-5)	#49
Sat, May 23rd	@ SD	Lucas Giolito (2-3)		@ ARI	Zac Gallen (3-9)	#122
Sun, May 24th	@ SD	Michael King (12-10)	#43	@ ARI	Ryne Nelson (3-5)	#184
Mon, May 25th	vs SEA	Luis Castillo (4-11)	#161	@ LAD	Emmet Sheehan (5-8)	#98
Tue, May 26th	vs SEA	Emerson Hancock (7-8)	#174	@ LAD	Eric Lauer (8-7)
Wed, May 27th	vs SEA	Logan Gilbert (12-11)	#4	@ LAD	Shohei Ohtani (8-2)	#8
Fri, May 29th	vs NYY	Carlos Rodon (7-3)	#33	vs SF	Logan Webb (8-9)
Sat, May 30th	vs NYY	Ryan Weathers (5-8)	#171	vs SF	Adrian Houser (4-7)
Sun, May 31st	vs NYY	Will Warren (10-6)	#89	vs SF	Robbie Ray (13-8)	#127
Tue, Jun 2nd	@ CHC	Jameson Taillon (2-6)		@ LAA	Grayson Rodriguez (4-8)	#123
Wed, Jun 3rd	@ CHC	Colin Rea (8-8)	#278	@ LAA	Walbert Urena (9-11)	#113
Thu, Jun 4th	@ CHC	Shota Imanaga (11-10)	#31
Fri, Jun 5th	@ HOU	Peter Lambert (8-10)	#151	vs MIL	Brandon Sproat (3-7)	#317
Sat, Jun 6th	@ HOU	Tatsuya Imai (6-4)	#179	vs MIL	Jacob Misiorowski (15-5)	#12
Sun, Jun 7th	@ HOU	Mike Burrows (4-9)	#225	vs MIL	Shane Drohan (7-5)	#70
Mon, Jun 8th	vs MIL	Kyle Harrison (10-5)	#66
Tue, Jun 9th	vs MIL	Robert Gasser (5-5)	#60	vs CHC	Colin Rea (8-8)	#278
Wed, Jun 10th	vs MIL	Brandon Sproat (3-7)	#317	vs CHC	Shota Imanaga (11-10)	#31
Fri, Jun 12th	vs COL	Sean Sullivan (0-3)	#277	@ ATH	Gage Jump (6-11)
Sat, Jun 13th	vs COL	Kyle Freeland (4-11)	#248	@ ATH	Joey Estes (0-0)	#322
Sun, Jun 14th	vs COL	Tomoyuki Sugano (12-11)	#336	@ ATH	Jeffrey Springs (4-14)	#324
Mon, Jun 15th	vs PIT	Jared Jones (5-6)	#26	@ CHC	Shota Imanaga (11-10)	#31
Tue, Jun 16th	vs PIT	Mitch Keller (6-8)		@ CHC	Edward Cabrera (5-5)	#197
Wed, Jun 17th	vs PIT	Braxton Ashcraft (14-6)		@ CHC	Javier Assad (6-1)	#206
Thu, Jun 18th	vs LAA	Ryan Johnson (5-9)	#158
Fri, Jun 19th	vs LAA	Jose Soriano (12-8)	#19	vs PIT	Bubba Chandler (8-9)	#75
Sat, Jun 20th	vs LAA	Walbert Urena (9-11)	#113	vs PIT	Paul Skenes (10-11)	#9
Sun, Jun 21st	vs LAA	Reid Detmers (6-8)	#34	vs PIT	Jared Jones (5-6)	#26
Tue, Jun 23rd	@ SF	Robbie Ray (13-8)	#127	vs BOS	Sonny Gray (18-5)	#32
Wed, Jun 24th	@ SF	Tyler Mahle (7-10)	#53	vs BOS	Ranger Suarez (8-4)	#44
Thu, Jun 25th	@ SF	Landen Roupp (9-14)	#102
Fri, Jun 26th	@ LAA	Walbert Urena (9-11)	#113	@ MIN	Taj Bradley (12-6)	#88
Sat, Jun 27th	@ LAA	Reid Detmers (6-8)	#34	@ MIN	Mike Paredes (0-3)
Sun, Jun 28th	@ LAA	Sam Aldegheri (3-4)	#313	@ MIN	Connor Prielipp (6-7)	#59
Mon, Jun 29th	vs LAD	Eric Lauer (8-7)		vs MIA	Sandy Alcantara (13-11)	#91
Tue, Jun 30th	vs LAD	Justin Wrobleski (12-5)	#51	vs MIA	Eury Perez (7-11)	#55
Wed, Jul 1st	vs LAD	Jack Dreyer (5-2)	#188	vs MIA	Max Meyer (9-1)
Fri, Jul 3rd	vs MIA	Tyler Phillips (5-6)	#136	vs SF	Logan Webb (8-9)
Sat, Jul 4th	vs MIA	Sandy Alcantara (13-11)	#91	vs SF	Robbie Ray (13-8)	#127
Sun, Jul 5th	vs MIA	Eury Perez (7-11)	#55	vs SF	Tyler Mahle (7-10)	#53
Tue, Jul 7th	@ DET	Tarik Skubal (11-7)	#1	@ LAD	Justin Wrobleski (12-5)	#51
Wed, Jul 8th	@ DET	Troy Melton (8-5)		@ LAD	Roki Sasaki (5-5)	#183
Thu, Jul 9th	@ DET	Framber Valdez (10-12)	#74	@ SF	Carson Whisenhunt (3-4)
Fri, Jul 10th	@ CWS	Sean Burke (10-7)	#101	@ SF	Robbie Ray (13-8)	#127
Sat, Jul 11th	@ CWS	Bryan Hudson (5-4)	#221	@ SF	Tyler Mahle (7-10)	#53
Sun, Jul 12th	@ CWS	Noah Schultz (4-9)	#191	@ SF	Trevor McDonald (3-7)
Fri, Jul 17th	vs WSH	Cade Cavalli (13-5)	#48	vs CIN	Brady Singer (6-15)	#201
Sat, Jul 18th	vs WSH	Zack Littell (8-8)	#214	vs CIN	Rhett Lowder (6-12)	#293
Sun, Jul 19th	vs WSH	Foster Griffin (15-6)	#37	vs CIN	Hunter Greene (2-2)
Mon, Jul 20th	@ ARI	Mitch Bratt (1-3)		vs WSH	Andrew Alvarez (2-6)	#124
Tue, Jul 21st	@ ARI	Kohl Drake (0-1)	#257	vs WSH	Carson Palmquist (0-2)
Wed, Jul 22nd	@ ARI	Merrill Kelly (10-14)	#182	vs WSH	Cade Cavalli (13-5)	#48
Fri, Jul 24th	@ MIN	Zebby Matthews (9-11)	#140	@ MIL	Shane Drohan (7-5)	#70
Sat, Jul 25th	@ MIN	Kendry Rojas (1-1)		@ MIL	Robert Gasser (5-5)	#60
Sun, Jul 26th	@ MIN	Connor Prielipp (6-7)	#59	@ MIL	Jacob Misiorowski (15-5)	#12
Mon, Jul 27th	vs BOS	Payton Tolle (9-6)	#30
Tue, Jul 28th	vs BOS	Jake Bennett (9-7)	#103	@ SD	Michael King (12-10)	#43
Wed, Jul 29th	vs BOS	Patrick Sandoval (1-7)	#80	@ SD	Kyle Hart (1-3)	#215
Thu, Jul 30th	vs BOS	Sonny Gray (18-5)	#32
Fri, Jul 31st	vs DET	Tyler Holton (2-5)	#105	vs KC	Michael Wacha (9-9)	#97
Sat, Aug 1st	vs DET	Framber Valdez (10-12)	#74	vs KC	Luinder Avila (5-4)
Sun, Aug 2nd	vs DET	Keider Montero (10-9)	#107	vs KC	Seth Lugo (7-9)	#218
Tue, Aug 4th	@ CIN	Brady Singer (6-15)	#201	vs TB	Freddy Peralta (9-11)	#56
Wed, Aug 5th	@ CIN	Rhett Lowder (6-12)	#293	vs TB	Nick Martinez (15-5)	#85
Thu, Aug 6th	@ CIN	Andrew Abbott (6-11)	#131
Fri, Aug 7th	@ BOS	Payton Tolle (9-6)	#30	@ STL	Kyle Leahy (10-5)	#64
Sat, Aug 8th	@ BOS	Jake Bennett (9-7)	#103	@ STL	Matthew Liberatore (6-14)	#90
Sun, Aug 9th	@ BOS	Erik Miller		@ STL	Michael McGreevy (7-9)	#117
Mon, Aug 10th	vs TB	Freddy Peralta (9-11)	#56	@ ARI	Michael Soroka (9-5)	#49
Tue, Aug 11th	vs TB	Nick Martinez (15-5)	#85	@ ARI	Mitch Bratt (1-3)
Wed, Aug 12th	vs TB	Drew Rasmussen (16-5)	#18	@ ARI	Merrill Kelly (10-14)	#182
Fri, Aug 14th	vs TEX	Kumar Rocker (5-11)	#78	@ SF	Landen Roupp (9-14)	#102
Sat, Aug 15th	vs TEX	MacKenzie Gore (8-11)	#27	@ SF	Logan Webb (8-9)
Sun, Aug 16th	vs TEX	Cody Bradford (0-5)	#118	@ SF	Blade Tidwell (1-2)	#297
Mon, Aug 17th	@ KC	Michael Wacha (9-9)	#97	vs LAD	Blake Snell (4-1)	#23
Tue, Aug 18th	@ KC	Daniel Lynch (6-6)	#236	vs LAD	Eric Lauer (8-7)
Wed, Aug 19th	@ KC	Seth Lugo (7-9)	#218	vs LAD	Roki Sasaki (5-5)	#183
Thu, Aug 20th	@ KC	Randy Dobnak (3-4)	#334
Fri, Aug 21st	@ HOU	Hayden Wesneski (5-2)	#68	vs CLE	Joey Cantillo (10-9)	#58
Sat, Aug 22nd	@ HOU	Hunter Brown (6-3)	#20	vs CLE	Tanner Bibee (6-15)	#71
Sun, Aug 23rd	@ HOU	Cristian Javier (2-6)	#169	vs CLE	Foster Griffin (15-6)	#37
Mon, Aug 24th	vs MIN	Zebby Matthews (9-11)	#140	@ WSH	Cade Cavalli (13-5)	#48
Tue, Aug 25th	vs MIN	Taj Bradley (12-6)	#88	@ WSH	Andrew Alvarez (2-6)	#124
Wed, Aug 26th	vs MIN	Connor Prielipp (6-7)	#59	@ WSH	Matt Waldron (2-2)
Fri, Aug 28th	vs BAL	Brandon Young (9-5)	#92	@ ATL	Grant Holmes (10-5)	#148
Sat, Aug 29th	vs BAL	Shane Baz (6-15)	#63	@ ATL	Martin Perez (9-9)	#119
Sun, Aug 30th	vs BAL	Chris Bassitt (9-5)	#95	@ ATL	Tyler Mahle (7-10)	#53
Mon, Aug 31st	@ TEX	Jacob deGrom (11-10)	#5	vs BAL	Cade Povich (2-1)	#185
Tue, Sep 1st	@ TEX	MacKenzie Gore (8-11)	#27	vs BAL	Kyle Bradish (7-14)
Wed, Sep 2nd	@ TEX	Cody Bradford (0-5)	#118	vs BAL	Trevor Rogers (10-11)	#39
Thu, Sep 3rd	@ SEA	Kade Anderson (2-2)	#24
Fri, Sep 4th	@ SEA	Logan Gilbert (12-11)	#4	vs STL	Andre Pallante (12-8)	#94
Sat, Sep 5th	@ SEA	George Kirby (9-11)	#15	vs STL	Matthew Liberatore (6-14)	#90
Sun, Sep 6th	@ SEA	Bryan Woo (12-9)	#3	vs STL	Kyle Leahy (10-5)	#64
Mon, Sep 7th	vs TOR	Dylan Cease (11-6)	#128
Tue, Sep 8th	vs TOR	Jose Soriano (12-8)	#19	@ NYY	Cam Schlittler (14-6)	#14
Wed, Sep 9th	vs TOR	Braydon Fisher (3-4)	#195	@ NYY	Will Warren (10-6)	#89
Fri, Sep 11th	vs SEA	George Kirby (9-11)	#15	@ DET	Framber Valdez (10-12)	#74
Sat, Sep 12th	vs SEA	Bryan Woo (12-9)	#3	@ DET	Andrew Sears (0-1)	#200
Sun, Sep 13th	vs SEA	Bryce Miller (4-9)	#22	@ DET	Jackson Jobe (2-3)	#154
Tue, Sep 15th	@ TB	Griffin Jax (8-10)	#40	vs SD	Walker Buehler (9-6)	#139
Wed, Sep 16th	@ TB	Nick Martinez (15-5)	#85	vs SD	Robbie Ray (13-8)	#127
Thu, Sep 17th	@ TB	Drew Rasmussen (16-5)	#18	vs SD	Michael King (12-10)	#43
Fri, Sep 18th	@ CLE	Daniel Espino (0-0)	#145	vs SEA	Bryan Woo (12-9)	#3
Sat, Sep 19th	@ CLE	Tanner Bibee (6-15)	#71	vs SEA	Bryce Miller (4-9)	#22
Sun, Sep 20th	@ CLE	Gavin Williams (14-8)	#17	vs SEA	Kade Anderson (2-2)	#24
Tue, Sep 22nd	vs LAA	Yusei Kikuchi (1-6)	#79	vs ARI	Michael Soroka (9-5)	#49
Wed, Sep 23rd	vs LAA	Walbert Urena (9-11)	#113	vs ARI	Merrill Kelly (10-14)	#182
Thu, Sep 24th	vs HOU	Peter Lambert (8-10)	#151	vs ARI	Eduardo Rodriguez (15-7)	#86
Fri, Sep 25th	vs HOU	Hayden Wesneski (5-2)	#68	@ CWS	Sean Burke (10-7)	#101
Sat, Sep 26th	vs HOU	Hunter Brown (6-3)	#20	@ CWS	Davis Martin (9-7)	#96
Sun, Sep 27th	vs HOU	Cristian Javier (2-6)	#169	@ CWS	Anthony Kay (9-9)	#83
Mon, Apr 6th				vs HOU	Cody Bolton (0-1)	#314
Thu, Apr 23rd				vs SD	Matt Waldron (2-2)
Mon, May 4th				vs NYM	Huascar Brazoban (6-2)	#235
Mon, Jun 1st				@ LAA	Jose Soriano (12-8)	#19
Thu, Jun 11th				vs CHC	Edward Cabrera (5-5)	#197
Mon, Jun 22nd				vs BOS	Jake Bennett (9-7)	#103
Thu, Jul 2nd				vs MIA	Ryan Gusto (1-5)	#106
Mon, Jul 6th				@ LAD	Eric Lauer (8-7)
Mon, Aug 3rd				vs TB	Ian Seymour (9-7)	#57
Thu, Aug 27th				@ WSH	Jake Irvin (2-9)	#142
Thu, Sep 10th				@ NYY	Max Fried (5-5)	#13
Mon, Sep 14th				vs SD	Casey Mize (6-9)	#38