Who Should I Trade?

Cionel Perez for Mark Leiter Jr. (2026)

Summary
Stats
Projections
News & Notes
Schedule

Who Should I Trade? Player Summaries
	Experts' Pick
	Mark Leiter Jr. RP - ATH	Cionel Perez RP - NYM
Expert Recommendation	100% Recommended by 2 of 2 experts	0% Recommended by 0 of 2 experts
Rankings

Rest of Season	# 265	‐
VBR	# 575	# 731

Projections

Strikeouts	18	17
Wins	1	1
Saves	0	0
ERA	4.17	4.25
WHIP	1.38	1.52

Misc

Injury Alert	IL15	-

Expert Ranks

Kelly Kirby FantasyPros	# 233	‐

Kevin Spinelli KevScores	# 299	# 408

Who Should I Trade? Player Statistics
	Mark Leiter Jr. RP - ATH	Cionel Perez RP - NYM
2026 Stats


Games Played	36	34

Games Started	0	2

Innings Pitched	33.2	38.2

Wins	0	3

Losses	1	3

Saves	4	0

Blown Saves	2	0

Holds	5	5

Hits Allowed	32	44

Earned Runs	16	23

Home Runs Allowed	2	7

Strikeouts	38	37

Walks	11	16

ERA	4.28	5.35

WHIP	1.28	1.55

Who Should I Trade? Player Projections
	Mark Leiter Jr. RP - ATH	Cionel Perez RP - NYM
2026 Projections


Games Played	19	22

Games Started	0	0

Innings Pitched	16.9	18.3

Wins	1	1

Losses	1	1

Saves	0	0

Blown Saves	0	0

Holds	2	4

Hits Allowed	16	17

Earned Runs	8	9

Home Runs Allowed	2	2

Strikeouts	18	17

Walks	6	10

ERA	4.17	4.25

WHIP	1.38	1.52

Who Should I Trade? Player Notes
	Mark Leiter Jr. RP - ATH	Cionel Perez RP - NYM
News
	The Athletics placed Mark Leiter Jr. on the 15-day injured list with a right hip impingement. Ari Koslow Tue, Jul 21st	The Mets selected the contract of LHP Cionel Pérez from Triple-A Syracuse. Ari Koslow Sat, May 30th
	The Athletics activated Mark Leiter Jr. from the injured list. Ari Koslow Fri, Jul 3rd	The Mets signed LHP Cionel Pérez to a minor-league contract. Ari Koslow Wed, May 6th
	Mark Leiter Jr. is going through a throwing progression. Ari Koslow Tue, Jun 23rd	Cionel Perez has elected free agency. Ari Koslow Mon, May 4th
	The Athletics placed RHP Mark Leiter Jr. on the 15-day injured list with a right hip impingement. Ari Koslow Sat, Jun 20th	The Nationals sent LHP Cionel Pérez outright to Triple-A Rochester. Ari Koslow Sat, May 2nd
	Mark Leiter Jr. allowed two hits and struck out one over a scoreless frame to earn the save in Tuesday’s 5-2 win over Atlanta. Chris Schommer Wed, Apr 1st	Cionel Pérez has been informed that he has made the Washington Nationals Opening Day roster. Ari Koslow Mon, Mar 23rd
Notes
There are no recent notes for these players

Who Should I Trade? Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	Mark Leiter Jr. RP - ATH			Cionel Perez RP - NYM
Thu, Mar 26th				vs PIT	Paul Skenes (9-8)	#3
Sat, Mar 28th	@ TOR	Dylan Cease (6-5)	#12	vs PIT	Mitch Keller (6-7)	#132
Sun, Mar 29th	@ TOR	Eric Lauer (5-5)	#389	vs PIT	Carmen Mlodzinski (6-3)	#134
Mon, Mar 30th	@ ATL	Bryce Elder (6-6)	#149	@ STL	Kyle Leahy (7-4)	#119
Tue, Mar 31st	@ ATL	Jose Suarez	#179	@ STL	Andre Pallante (10-6)	#135
Wed, Apr 1st	@ ATL	Chris Sale (11-6)	#6	@ STL	Matthew Liberatore (5-7)	#110
Thu, Apr 2nd				@ SF	Robbie Ray (8-6)	#101
Fri, Apr 3rd	vs HOU	Cristian Javier (0-1)	#199	@ SF	Tyler Mahle (2-9)	#83
Sat, Apr 4th	vs HOU	Tatsuya Imai (6-4)	#124	@ SF	Landen Roupp (7-8)	#64
Sun, Apr 5th	vs HOU	Lance McCullers Jr. (2-3)	#176	@ SF	Logan Webb (5-7)	#16
Tue, Apr 7th	@ NYY	Cam Schlittler (10-6)	#22	vs ARI	Zac Gallen (3-9)	#169
Wed, Apr 8th	@ NYY	Will Warren (7-4)	#62	vs ARI	Ryne Nelson (3-5)	#202
Thu, Apr 9th	@ NYY	Ryan Weathers (3-7)	#61	vs ARI	Eduardo Rodriguez (9-3)	#114
Fri, Apr 10th	@ NYM	Clay Holmes (4-4)	#98	vs ATH	J.T. Ginn (8-6)	#146
Sat, Apr 11th	@ NYM	Kodai Senga (0-7)	#197	vs ATH	Jacob Lopez (5-4)	#217
Sun, Apr 12th	@ NYM	Freddy Peralta (5-9)	#42	vs ATH	Aaron Civale (5-7)	#200
Mon, Apr 13th	vs TEX	Nathan Eovaldi (9-8)	#19	@ LAD	Justin Wrobleski (11-2)	#74
Tue, Apr 14th	vs TEX	MacKenzie Gore (6-8)	#32	@ LAD	Yoshinobu Yamamoto (10-6)	#11
Wed, Apr 15th	vs TEX	Kumar Rocker (3-8)	#86	@ LAD	Shohei Ohtani (8-2)	#1
Fri, Apr 17th	vs CWS	Davis Martin (9-5)	#94	@ CHC	Edward Cabrera (5-4)	#117
Sat, Apr 18th	vs CWS	Erick Fedde (5-6)	#411	@ CHC	Jameson Taillon (2-5)	#103
Sun, Apr 19th	vs CWS	Noah Schultz (3-7)	#250	@ CHC	Javier Assad (6-1)	#239
Tue, Apr 21st	@ SEA	Luis Castillo (3-9)	#63	vs MIN	Simeon Woods Richardson (1-7)	#348
Wed, Apr 22nd	@ SEA	Logan Gilbert (8-6)	#10	vs MIN	Connor Prielipp (2-5)	#120
Thu, Apr 23rd				vs MIN	Joe Ryan (6-6)	#15
Fri, Apr 24th	@ TEX	Nathan Eovaldi (9-8)	#19	vs COL	Michael Lorenzen (3-9)	#431
Sun, Apr 26th	@ TEX	Kumar Rocker (3-8)	#86	vs COL	Chase Dollander (3-3)
Tue, Apr 28th	vs KC	Kris Bubic (3-2)	#123	vs WSH	Zack Littell (7-8)	#175
Wed, Apr 29th	vs KC	Michael Wacha (5-7)	#68	vs WSH	Cade Cavalli (7-4)	#59
Thu, Apr 30th	vs KC	Noah Cameron (5-8)	#97	vs WSH	Miles Mikolas (3-7)	#308
Fri, May 1st	vs CLE	Joey Cantillo (8-6)	#75	@ LAA	Walbert Urena (6-7)	#330
Sat, May 2nd	vs CLE	Slade Cecconi (4-7)	#111	@ LAA	Reid Detmers (3-7)	#40
Sun, May 3rd	vs CLE	Parker Messick (8-5)	#48	@ LAA	Jack Kochanowicz (2-5)
Mon, May 4th				@ COL	Tomoyuki Sugano (10-4)	#433
Wed, May 6th	@ PHI	Zack Wheeler (10-2)	#5	@ COL	Michael Lorenzen (3-9)	#431
Thu, May 7th	@ PHI	Andrew Painter (1-8)	#236	@ COL	Jose Quintana (2-3)	#429
Fri, May 8th	@ BAL	Kyle Bradish (7-9)	#41	@ ARI	Ryne Nelson (3-5)	#202
Sat, May 9th	@ BAL	Shane Baz (4-9)	#65	@ ARI	Merrill Kelly (8-8)	#116
Sun, May 10th	@ BAL	Keegan Akin (0-1)		@ ARI	Eduardo Rodriguez (9-3)	#114
Tue, May 12th	vs STL	Andre Pallante (10-6)	#135	vs DET	Jack Flaherty (3-8)	#71
Wed, May 13th	vs STL	Matthew Liberatore (5-7)	#110	vs DET	Framber Valdez (5-7)	#33
Thu, May 14th	vs STL	Michael McGreevy (4-8)	#84	vs DET	Keider Montero (7-5)	#145
Fri, May 15th	vs SF	Tyler Mahle (2-9)	#83	vs NYY	Cam Schlittler (10-6)	#22
Sat, May 16th	vs SF	Trevor McDonald (3-7)	#233	vs NYY	Carlos Rodon (4-2)	#79
Sun, May 17th	vs SF	Adrian Houser (2-7)	#204	vs NYY	Elmer Rodriguez (0-2)	#264
Mon, May 18th	@ LAA	Walbert Urena (6-7)	#330	@ WSH	Jake Irvin (2-4)	#173
Tue, May 19th	@ LAA	Reid Detmers (3-7)	#40	@ WSH	Foster Griffin (11-2)	#60
Wed, May 20th	@ LAA	Jack Kochanowicz (2-5)		@ WSH	Zack Littell (7-8)	#175
Thu, May 21st	@ LAA	Jose Soriano (8-6)	#44	@ WSH	Cade Cavalli (7-4)	#59
Fri, May 22nd	@ SD	Walker Buehler (6-5)	#274	@ MIA	Eury Perez (5-7)	#43
Sat, May 23rd	@ SD	Lucas Giolito (2-3)	#349	@ MIA	Max Meyer (9-1)	#82
Sun, May 24th	@ SD	Michael King (6-7)	#50	@ MIA	Tyler Phillips (2-5)	#297
Mon, May 25th	vs SEA	Luis Castillo (3-9)	#63	vs CIN	Nick Lodolo (3-2)	#102
Tue, May 26th	vs SEA	Emerson Hancock (6-4)	#89	vs CIN	Chase Burns (12-1)	#21
Wed, May 27th	vs SEA	Logan Gilbert (8-6)	#10	vs CIN	Andrew Abbott (5-6)	#105
Fri, May 29th	vs NYY	Carlos Rodon (4-2)	#79	vs MIA	Max Meyer (9-1)	#82
Sat, May 30th	vs NYY	Ryan Weathers (3-7)	#61	vs MIA	Tyler Phillips (2-5)	#297
Sun, May 31st	vs NYY	Will Warren (7-4)	#62	vs MIA	John King
Mon, Jun 1st				@ SEA	Emerson Hancock (6-4)	#89
Tue, Jun 2nd	@ CHC	Jameson Taillon (2-5)	#103	@ SEA	Logan Gilbert (8-6)	#10
Wed, Jun 3rd	@ CHC	Colin Rea (7-7)	#195	@ SEA	George Kirby (8-8)	#20
Fri, Jun 5th	@ HOU	Peter Lambert (8-5)	#136	@ SD	Michael King (6-7)	#50
Sat, Jun 6th	@ HOU	Tatsuya Imai (6-4)	#124	@ SD	Griffin Canning (1-9)	#172
Sun, Jun 7th	@ HOU	Mike Burrows (4-9)	#220	@ SD	Randy Vasquez (6-6)	#243
Tue, Jun 9th	vs MIL	Robert Gasser (2-4)	#129	vs STL	Dustin May (5-7)	#47
Wed, Jun 10th	vs MIL	Brandon Sproat (3-5)	#147	vs STL	Andre Pallante (10-6)	#135
Thu, Jun 11th				vs STL	Hunter Dobbins (2-1)	#166
Fri, Jun 12th	vs COL	Sean Sullivan (0-3)	#422	vs ATL	Spencer Strider (4-2)	#285
Sat, Jun 13th	vs COL	Kyle Freeland (2-9)	#351	vs ATL	Martin Perez (6-6)	#192
Sun, Jun 14th	vs COL	Tomoyuki Sugano (10-4)	#433	vs ATL	Bryce Elder (6-6)	#149
Mon, Jun 15th	vs PIT	Jared Jones (2-1)	#51	@ CIN	Chase Burns (12-1)	#21
Tue, Jun 16th	vs PIT	Mitch Keller (6-7)	#132	@ CIN	Brady Singer (5-9)	#155
Wed, Jun 17th	vs PIT	Braxton Ashcraft (9-4)	#27	@ CIN	Nick Lodolo (3-2)	#102
Thu, Jun 18th	vs LAA	Ryan Johnson (2-4)	#171	@ PHI	Aaron Nola (3-8)	#52
Sat, Jun 20th	vs LAA	Walbert Urena (6-7)	#330	@ PHI	Cristopher Sanchez (12-4)	#4
Sun, Jun 21st	vs LAA	Reid Detmers (3-7)	#40	@ PHI	Zack Wheeler (10-2)	#5
Tue, Jun 23rd	@ SF	Robbie Ray (8-6)	#101	vs CHC	Edward Cabrera (5-4)	#117
Wed, Jun 24th	@ SF	Tyler Mahle (2-9)	#83	vs CHC	Shota Imanaga (6-8)	#26
Thu, Jun 25th	@ SF	Landen Roupp (7-8)	#64	vs CHC	Matthew Boyd (6-1)	#36
Fri, Jun 26th	@ LAA	Walbert Urena (6-7)	#330	vs PHI	Zack Wheeler (10-2)	#5
Sat, Jun 27th	@ LAA	Reid Detmers (3-7)	#40	vs PHI	Tim Mayza (2-3)	#180
Sun, Jun 28th	@ LAA	Sam Aldegheri (3-4)	#428	vs PHI	Jesus Luzardo (9-5)	#9
Mon, Jun 29th	vs LAD	Eric Lauer (5-5)	#389	@ TOR	Trey Yesavage (4-5)	#77
Tue, Jun 30th	vs LAD	Justin Wrobleski (11-2)	#74	@ TOR	Kevin Gausman (4-9)	#30
Wed, Jul 1st	vs LAD	Jack Dreyer (4-1)	#159	@ TOR	Braydon Fisher (3-3)	#170
Fri, Jul 3rd	vs MIA	Tyler Phillips (2-5)	#297	@ ATL	Grant Holmes (6-4)	#154
Sat, Jul 4th	vs MIA	Sandy Alcantara (10-6)	#58	@ ATL	Chris Sale (11-6)	#6
Sun, Jul 5th	vs MIA	Eury Perez (5-7)	#43	@ ATL	Martin Perez (6-6)	#192
Mon, Jul 6th				@ ATL	Reynaldo Lopez (4-3)	#92
Tue, Jul 7th	@ DET	Tarik Skubal (7-5)	#2	vs KC	Seth Lugo (4-6)	#139
Wed, Jul 8th	@ DET	Troy Melton (5-1)	#100	vs KC	Steven Cruz
Thu, Jul 9th	@ DET	Framber Valdez (5-7)	#33	vs KC	Michael Wacha (5-7)	#68
Fri, Jul 10th	@ CWS	Sean Burke (7-4)	#85	vs BOS	Sonny Gray (12-1)	#28
Sat, Jul 11th	@ CWS	Bryan Hudson (3-3)	#153	vs BOS	Eduardo Rivera (0-1)	#213
Sun, Jul 12th	@ CWS	Noah Schultz (3-7)	#250	vs BOS	Payton Tolle (5-6)	#55
Thu, Jul 16th				@ PHI	Aaron Nola (3-8)	#52
Sat, Jul 18th	vs WSH	Zack Littell (7-8)	#175	@ PHI	Jesus Luzardo (9-5)	#9
Sun, Jul 19th	vs WSH	Foster Griffin (11-2)	#60	@ PHI	Alan Rangel (0-3)	#304
Mon, Jul 20th	@ ARI	Mitch Bratt (0-0)	#193	@ MIL	Jacob Misiorowski (10-4)	#8
Tue, Jul 21st	@ ARI	Kohl Drake (0-0)	#273	@ MIL	Brandon Sproat (3-5)	#147
Wed, Jul 22nd	@ ARI	Merrill Kelly (8-8)	#116	@ MIL	Logan Henderson (4-1)	#49
Fri, Jul 24th	@ MIN	Zebby Matthews (4-8)	#112	vs LAD	Roki Sasaki (4-5)	#108
Sat, Jul 25th	@ MIN	Mike Paredes (0-3)	#343	vs LAD	Yoshinobu Yamamoto (10-6)	#11
Sun, Jul 26th	@ MIN	Connor Prielipp (2-5)	#120	vs LAD	Emmet Sheehan (4-7)	#35
Mon, Jul 27th	vs BOS	Payton Tolle (5-6)	#55	vs ATL	Martin Perez (6-6)	#192
Tue, Jul 28th	vs BOS	Jake Bennett (6-3)	#93	vs ATL	Chris Sale (11-6)	#6
Wed, Jul 29th	vs BOS	Patrick Sandoval (0-0)	#144	vs ATL	Grant Holmes (6-4)	#154
Thu, Jul 30th	vs BOS	Sonny Gray (12-1)	#28	vs MIA	Eury Perez (5-7)	#43
Fri, Jul 31st	vs DET	Casey Mize (4-6)	#53	vs MIA	Janson Junk (4-6)	#109
Sat, Aug 1st	vs DET	Framber Valdez (5-7)	#33	vs MIA	Tyler Phillips (2-5)	#297
Sun, Aug 2nd	vs DET	Keider Montero (7-5)	#145	vs MIA	Sandy Alcantara (10-6)	#58
Tue, Aug 4th	@ CIN			@ CLE
Wed, Aug 5th	@ CIN			@ CLE
Thu, Aug 6th	@ CIN			@ CLE
Fri, Aug 7th	@ BOS			@ PIT
Sat, Aug 8th	@ BOS			@ PIT
Sun, Aug 9th	@ BOS			@ PIT
Mon, Aug 10th	vs TB			@ ATL
Tue, Aug 11th	vs TB			@ ATL
Wed, Aug 12th	vs TB			@ ATL
Fri, Aug 14th	vs TEX			vs WSH
Sat, Aug 15th	vs TEX			vs WSH
Sun, Aug 16th	vs TEX			vs WSH
Mon, Aug 17th	@ KC			vs SD
Tue, Aug 18th	@ KC			vs SD
Wed, Aug 19th	@ KC			vs SD
Fri, Aug 21st	@ HOU			@ CWS
Sat, Aug 22nd	@ HOU			@ CWS
Sun, Aug 23rd	@ HOU			@ CWS
Tue, Aug 25th	vs MIN			vs MIL
Wed, Aug 26th	vs MIN			vs MIL
Thu, Aug 27th				vs MIL
Fri, Aug 28th	vs BAL			vs HOU
Sat, Aug 29th	vs BAL			vs HOU
Sun, Aug 30th	vs BAL			vs HOU
Mon, Aug 31st	@ TEX			@ TB
Tue, Sep 1st	@ TEX			@ TB
Wed, Sep 2nd	@ TEX			@ TB
Fri, Sep 4th	@ SEA			vs SF
Sat, Sep 5th	@ SEA			vs SF
Sun, Sep 6th	@ SEA			vs SF
Mon, Sep 7th	vs TOR			@ MIA
Tue, Sep 8th	vs TOR			@ MIA
Wed, Sep 9th	vs TOR			@ MIA
Fri, Sep 11th	vs SEA			@ NYY
Sat, Sep 12th	vs SEA			@ NYY
Sun, Sep 13th	vs SEA			@ NYY
Mon, Sep 14th				vs BAL
Tue, Sep 15th	@ TB			vs BAL
Wed, Sep 16th	@ TB			vs BAL
Thu, Sep 17th	@ TB			vs PHI
Fri, Sep 18th	@ CLE			vs PHI
Sat, Sep 19th	@ CLE			vs PHI
Sun, Sep 20th	@ CLE			vs PHI
Tue, Sep 22nd	vs LAA			@ TEX
Wed, Sep 23rd	vs LAA			@ TEX
Thu, Sep 24th	vs HOU			@ TEX
Fri, Sep 25th	vs HOU			@ WSH
Sat, Sep 26th	vs HOU			@ WSH
Sun, Sep 27th	vs HOU			@ WSH
Fri, Mar 27th	@ TOR	Kevin Gausman (4-9)	#30
Thu, Apr 16th	vs TEX	Jack Leiter (3-7)	#130
Mon, Apr 20th	@ SEA	Emerson Hancock (6-4)	#89
Sat, Apr 25th	@ TEX	MacKenzie Gore (6-8)	#32
Tue, May 5th	@ PHI	Cristopher Sanchez (12-4)	#4
Thu, Jun 4th	@ CHC	Shota Imanaga (6-8)	#26
Mon, Jun 8th	vs MIL	Kyle Harrison (8-2)	#54
Fri, Jun 19th	vs LAA	Jose Soriano (8-6)	#44
Fri, Jul 17th	vs WSH	Cade Cavalli (7-4)	#59
Thu, Aug 20th	@ KC
Mon, Aug 24th	vs MIN
Thu, Sep 3rd	@ SEA

Who Should I Trade?

Cionel Perez for Mark Leiter Jr. (2026)

ExpertRecommendation

Expert
Recommendation