Who Should I Trade?

Jhonathan Diaz for Mark Leiter Jr. (2026)

Summary
Stats
Projections
News & Notes
Schedule

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

Rest of Season	# 265	‐
VBR	# 575	# 950

Projections

Strikeouts	18	3
Wins	1	0
Saves	0	0
ERA	4.17	3.92
WHIP	1.38	1.38

Misc

Injury Alert	IL15	MiLB

Expert Ranks

Kelly Kirby FantasyPros	# 233	‐

Kevin Spinelli KevScores	# 299	‐

Who Should I Trade? Player Statistics
	Mark Leiter Jr. RP - ATH	Jhonathan Diaz RP - SEA
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	‐

Who Should I Trade? Player Projections
	Mark Leiter Jr. RP - ATH	Jhonathan Diaz RP - SEA
2026 Projections


Games Played	19	9

Games Started	0	1

Innings Pitched	16.9	4.6

Wins	1	0

Losses	1	0

Saves	0	0

Blown Saves	0	0

Holds	2	0

Hits Allowed	16	5

Earned Runs	8	2

Home Runs Allowed	2	1

Strikeouts	18	3

Walks	6	1

ERA	4.17	3.92

WHIP	1.38	1.38

Who Should I Trade? Player Notes
	Mark Leiter Jr. RP - ATH	Jhonathan Diaz RP - SEA
News
	The Athletics placed Mark Leiter Jr. on the 15-day injured list with a right hip impingement. Ari Koslow Tue, Jul 21st	Lefthander Jhonathan Diaz has been reassigned to minor league camp by the Seattle Mariners. David Leisering Fri, Mar 20th
	The Athletics activated Mark Leiter Jr. from the injured list. Ari Koslow Fri, Jul 3rd	The Mariners have signed left-hander Jhonathan Diaz to a minor-league deal. Brenton Kemp Tue, Feb 10th
	Mark Leiter Jr. is going through a throwing progression. Ari Koslow Tue, Jun 23rd	The Mariners have outrighted left-hander Jhonathan Diaz to Triple-A Tacoma. Brenton Kemp Wed, Jan 28th
	The Athletics placed RHP Mark Leiter Jr. on the 15-day injured list with a right hip impingement. Ari Koslow Sat, Jun 20th	The Mariners designated LHP Jhonathan Díaz for assignment. Ari Koslow Fri, Jan 23rd
	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
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			Jhonathan Diaz RP - SEA
Thu, Mar 26th				vs CLE	Tanner Bibee (4-9)	#46
Fri, Mar 27th	@ TOR	Kevin Gausman (4-9)	#30	vs CLE	Gavin Williams (10-5)	#24
Sat, Mar 28th	@ TOR	Dylan Cease (6-5)	#12	vs CLE	Joey Cantillo (8-6)	#75
Sun, Mar 29th	@ TOR	Eric Lauer (5-5)	#389	vs CLE	Slade Cecconi (4-7)	#111
Mon, Mar 30th	@ ATL	Bryce Elder (6-6)	#149	vs NYY	Ryan Weathers (3-7)	#61
Tue, Mar 31st	@ ATL	Jose Suarez	#179	vs NYY	Max Fried (4-3)	#13
Wed, Apr 1st	@ ATL	Chris Sale (11-6)	#6	vs NYY	Cam Schlittler (10-6)	#22
Fri, Apr 3rd	vs HOU	Cristian Javier (0-1)	#199	@ LAA	Reid Detmers (3-7)	#40
Sat, Apr 4th	vs HOU	Tatsuya Imai (6-4)	#124	@ LAA	Jack Kochanowicz (2-5)
Sun, Apr 5th	vs HOU	Lance McCullers Jr. (2-3)	#176	@ LAA	George Klassen (0-1)	#317
Mon, Apr 6th				@ TEX	Jacob deGrom (7-6)	#7
Tue, Apr 7th	@ NYY	Cam Schlittler (10-6)	#22	@ TEX	Nathan Eovaldi (9-8)	#19
Wed, Apr 8th	@ NYY	Will Warren (7-4)	#62	@ TEX	MacKenzie Gore (6-8)	#32
Fri, Apr 10th	@ NYM	Clay Holmes (4-4)	#98	vs HOU	Tatsuya Imai (6-4)	#124
Sat, Apr 11th	@ NYM	Kodai Senga (0-7)	#197	vs HOU	Lance McCullers Jr. (2-3)	#176
Sun, Apr 12th	@ NYM	Freddy Peralta (5-9)	#42	vs HOU	Cody Bolton (0-1)	#310
Mon, Apr 13th	vs TEX	Nathan Eovaldi (9-8)	#19	vs HOU	Mike Burrows (4-9)	#220
Tue, Apr 14th	vs TEX	MacKenzie Gore (6-8)	#32	@ SD	Michael King (6-7)	#50
Wed, Apr 15th	vs TEX	Kumar Rocker (3-8)	#86	@ SD	Randy Vasquez (6-6)	#243
Thu, Apr 16th	vs TEX	Jack Leiter (3-7)	#130	@ SD	Walker Buehler (6-5)	#274
Fri, Apr 17th	vs CWS	Davis Martin (9-5)	#94	vs TEX	Jacob deGrom (7-6)	#7
Sat, Apr 18th	vs CWS	Erick Fedde (5-6)	#411	vs TEX	Nathan Eovaldi (9-8)	#19
Sun, Apr 19th	vs CWS	Noah Schultz (3-7)	#250	vs TEX	MacKenzie Gore (6-8)	#32
Mon, Apr 20th	@ SEA	Emerson Hancock (6-4)	#89	vs ATH	J.T. Ginn (8-6)	#146
Tue, Apr 21st	@ SEA	Luis Castillo (3-9)	#63	vs ATH	Jacob Lopez (5-4)	#217
Wed, Apr 22nd	@ SEA	Logan Gilbert (8-6)	#10	vs ATH	Aaron Civale (5-7)	#200
Fri, Apr 24th	@ TEX	Nathan Eovaldi (9-8)	#19	@ STL	Andre Pallante (10-6)	#135
Sat, Apr 25th	@ TEX	MacKenzie Gore (6-8)	#32	@ STL	Matthew Liberatore (5-7)	#110
Sun, Apr 26th	@ TEX	Kumar Rocker (3-8)	#86	@ STL	Michael McGreevy (4-8)	#84
Mon, Apr 27th				@ MIN	Connor Prielipp (2-5)	#120
Tue, Apr 28th	vs KC	Kris Bubic (3-2)	#123	@ MIN	Joe Ryan (6-6)	#15
Wed, Apr 29th	vs KC	Michael Wacha (5-7)	#68	@ MIN	Taj Bradley (9-4)	#45
Fri, May 1st	vs CLE	Joey Cantillo (8-6)	#75	vs KC	Cole Ragans (1-4)
Sat, May 2nd	vs CLE	Slade Cecconi (4-7)	#111	vs KC	Seth Lugo (4-6)	#139
Sun, May 3rd	vs CLE	Parker Messick (8-5)	#48	vs KC	Kris Bubic (3-2)	#123
Mon, May 4th				vs ATL	JR Ritchie (1-2)	#302
Tue, May 5th	@ PHI	Cristopher Sanchez (12-4)	#4	vs ATL	Bryce Elder (6-6)	#149
Wed, May 6th	@ PHI	Zack Wheeler (10-2)	#5	vs ATL	Martin Perez (6-6)	#192
Fri, May 8th	@ BAL	Kyle Bradish (7-9)	#41	@ CWS	Sean Burke (7-4)	#85
Sat, May 9th	@ BAL	Shane Baz (4-9)	#65	@ CWS	Anthony Kay (7-4)	#210
Sun, May 10th	@ BAL	Keegan Akin (0-1)		@ CWS	Davis Martin (9-5)	#94
Mon, May 11th				@ HOU	Peter Lambert (8-5)	#136
Tue, May 12th	vs STL	Andre Pallante (10-6)	#135	@ HOU	Tatsuya Imai (6-4)	#124
Wed, May 13th	vs STL	Matthew Liberatore (5-7)	#110	@ HOU	Lance McCullers Jr. (2-3)	#176
Thu, May 14th	vs STL	Michael McGreevy (4-8)	#84	@ HOU	Mike Burrows (4-9)	#220
Fri, May 15th	vs SF	Tyler Mahle (2-9)	#83	vs SD	Randy Vasquez (6-6)	#243
Sat, May 16th	vs SF	Trevor McDonald (3-7)	#233	vs SD	Walker Buehler (6-5)	#274
Sun, May 17th	vs SF	Adrian Houser (2-7)	#204	vs SD	Lucas Giolito (2-3)	#349
Mon, May 18th	@ LAA	Walbert Urena (6-7)	#330	vs CWS	Noah Schultz (3-7)	#250
Tue, May 19th	@ LAA	Reid Detmers (3-7)	#40	vs CWS	Anthony Kay (7-4)	#210
Wed, May 20th	@ LAA	Jack Kochanowicz (2-5)		vs CWS	Sean Burke (7-4)	#85
Fri, May 22nd	@ SD	Walker Buehler (6-5)	#274	@ KC	Noah Cameron (5-8)	#97
Sat, May 23rd	@ SD	Lucas Giolito (2-3)	#349	@ KC	Stephen Kolek (4-3)	#358
Sun, May 24th	@ SD	Michael King (6-7)	#50	@ KC	Seth Lugo (4-6)	#139
Mon, May 25th	vs SEA	Luis Castillo (3-9)	#63	@ ATH	Aaron Civale (5-7)	#200
Tue, May 26th	vs SEA	Emerson Hancock (6-4)	#89	@ ATH	Gage Jump (3-6)	#95
Wed, May 27th	vs SEA	Logan Gilbert (8-6)	#10	@ ATH	Jeffrey Springs (3-9)	#186
Fri, May 29th	vs NYY	Carlos Rodon (4-2)	#79	vs ARI	Zac Gallen (3-9)	#169
Sat, May 30th	vs NYY	Ryan Weathers (3-7)	#61	vs ARI	Ryne Nelson (3-5)	#202
Sun, May 31st	vs NYY	Will Warren (7-4)	#62	vs ARI	Merrill Kelly (8-8)	#116
Mon, Jun 1st				vs NYM	Austin Warren
Tue, Jun 2nd	@ CHC	Jameson Taillon (2-5)	#103	vs NYM	Huascar Brazoban (4-2)	#194
Wed, Jun 3rd	@ CHC	Colin Rea (7-7)	#195	vs NYM	Freddy Peralta (5-9)	#42
Fri, Jun 5th	@ HOU	Peter Lambert (8-5)	#136	@ DET	Framber Valdez (5-7)	#33
Sat, Jun 6th	@ HOU	Tatsuya Imai (6-4)	#124	@ DET	Keider Montero (7-5)	#145
Sun, Jun 7th	@ HOU	Mike Burrows (4-9)	#220	@ DET	Jack Flaherty (3-8)	#71
Mon, Jun 8th	vs MIL	Kyle Harrison (8-2)	#54	@ BAL	Trey Gibson (1-3)	#305
Tue, Jun 9th	vs MIL	Robert Gasser (2-4)	#129	@ BAL	Trevor Rogers (6-7)	#67
Wed, Jun 10th	vs MIL	Brandon Sproat (3-5)	#147	@ BAL	Brandon Young (8-2)	#127
Thu, Jun 11th				@ BAL	Kyle Bradish (7-9)	#41
Fri, Jun 12th	vs COL	Sean Sullivan (0-3)	#422	@ WSH	Zack Littell (7-8)	#175
Sat, Jun 13th	vs COL	Kyle Freeland (2-9)	#351	@ WSH	Cade Cavalli (7-4)	#59
Sun, Jun 14th	vs COL	Tomoyuki Sugano (10-4)	#433	@ WSH	PJ Poulin (3-0)	#294
Tue, Jun 16th	vs PIT	Mitch Keller (6-7)	#132	vs BAL	Brandon Young (8-2)	#127
Wed, Jun 17th	vs PIT	Braxton Ashcraft (9-4)	#27	vs BAL	Kyle Bradish (7-9)	#41
Thu, Jun 18th	vs LAA	Ryan Johnson (2-4)	#171	vs BAL	Shane Baz (4-9)	#65
Fri, Jun 19th	vs LAA	Jose Soriano (8-6)	#44	vs BOS	Ranger Suarez (4-3)	#29
Sat, Jun 20th	vs LAA	Walbert Urena (6-7)	#330	vs BOS	Connelly Early (7-5)	#138
Sun, Jun 21st	vs LAA	Reid Detmers (3-7)	#40	vs BOS	Payton Tolle (5-6)	#55
Tue, Jun 23rd	@ SF	Robbie Ray (8-6)	#101	@ PIT	Mitch Keller (6-7)	#132
Wed, Jun 24th	@ SF	Tyler Mahle (2-9)	#83	@ PIT	Braxton Ashcraft (9-4)	#27
Thu, Jun 25th	@ SF	Landen Roupp (7-8)	#64	@ PIT	Bubba Chandler (3-8)	#121
Fri, Jun 26th	@ LAA	Walbert Urena (6-7)	#330	@ CLE	Joey Cantillo (8-6)	#75
Sat, Jun 27th	@ LAA	Reid Detmers (3-7)	#40	@ CLE	Slade Cecconi (4-7)	#111
Sun, Jun 28th	@ LAA	Sam Aldegheri (3-4)	#428	@ CLE	Gavin Williams (10-5)	#24
Mon, Jun 29th	vs LAD	Eric Lauer (5-5)	#389	vs LAA	Ryan Johnson (2-4)	#171
Tue, Jun 30th	vs LAD	Justin Wrobleski (11-2)	#74	vs LAA	Jose Soriano (8-6)	#44
Thu, Jul 2nd				vs LAA	Walbert Urena (6-7)	#330
Fri, Jul 3rd	vs MIA	Tyler Phillips (2-5)	#297	vs TOR	Dylan Cease (6-5)	#12
Sat, Jul 4th	vs MIA	Sandy Alcantara (10-6)	#58	vs TOR	Shane Bieber (2-1)	#78
Sun, Jul 5th	vs MIA	Eury Perez (5-7)	#43	vs TOR	Trey Yesavage (4-5)	#77
Tue, Jul 7th	@ DET	Tarik Skubal (7-5)	#2	@ MIA	Max Meyer (9-1)	#82
Wed, Jul 8th	@ DET	Troy Melton (5-1)	#100	@ MIA	Tyler Phillips (2-5)	#297
Thu, Jul 9th	@ DET	Framber Valdez (5-7)	#33	@ MIA	Janson Junk (4-6)	#109
Fri, Jul 10th	@ CWS	Sean Burke (7-4)	#85	@ TB	Nick Martinez (9-2)	#104
Sat, Jul 11th	@ CWS	Bryan Hudson (3-3)	#153	@ TB	Griffin Jax (6-7)	#56
Sun, Jul 12th	@ CWS	Noah Schultz (3-7)	#250	@ TB	Ian Seymour (6-3)	#72
Fri, Jul 17th	vs WSH	Cade Cavalli (7-4)	#59	vs SF	Landen Roupp (7-8)	#64
Sat, Jul 18th	vs WSH	Zack Littell (7-8)	#175	vs SF	Logan Webb (5-7)	#16
Sun, Jul 19th	vs WSH	Foster Griffin (11-2)	#60	vs SF	Robbie Ray (8-6)	#101
Mon, Jul 20th	@ ARI	Mitch Bratt (0-0)	#193	vs CIN	Andrew Abbott (5-6)	#105
Tue, Jul 21st	@ ARI	Kohl Drake (0-0)	#273	vs CIN	Chase Burns (12-1)	#21
Wed, Jul 22nd	@ ARI	Merrill Kelly (8-8)	#116	vs CIN	Brady Singer (5-9)	#155
Fri, Jul 24th	@ MIN	Zebby Matthews (4-8)	#112	@ TEX	MacKenzie Gore (6-8)	#32
Sat, Jul 25th	@ MIN	Connor Prielipp (2-5)	#120	@ TEX	Nathan Eovaldi (9-8)	#19
Sun, Jul 26th	@ MIN	Joe Ryan (6-6)	#15	@ TEX	Jacob deGrom (7-6)	#7
Mon, Jul 27th	vs BOS			@ TEX	Kumar Rocker (3-8)	#86
Tue, Jul 28th	vs BOS	Jake Bennett (6-3)	#93	@ LAD	Eric Lauer (5-5)	#389
Wed, Jul 29th	vs BOS	Patrick Sandoval (0-0)	#144	@ LAD	Justin Wrobleski (11-2)	#74
Thu, Jul 30th	vs BOS	Sonny Gray (12-1)	#28	@ LAD	Roki Sasaki (4-5)	#108
Fri, Jul 31st	vs DET	Casey Mize (4-6)	#53	vs MIN	Zebby Matthews (4-8)	#112
Sat, Aug 1st	vs DET	Framber Valdez (5-7)	#33	vs MIN	Connor Prielipp (2-5)	#120
Sun, Aug 2nd	vs DET	Keider Montero (7-5)	#145	vs MIN
Tue, Aug 4th	@ CIN			vs DET
Wed, Aug 5th	@ CIN			vs DET
Thu, Aug 6th	@ CIN			vs DET
Fri, Aug 7th	@ BOS			vs TB
Sat, Aug 8th	@ BOS			vs TB
Sun, Aug 9th	@ BOS			vs TB
Tue, Aug 11th	vs TB			@ NYY
Wed, Aug 12th	vs TB			@ NYY
Thu, Aug 13th				@ NYY
Fri, Aug 14th	vs TEX			@ HOU
Sat, Aug 15th	vs TEX			@ HOU
Sun, Aug 16th	vs TEX			@ HOU
Tue, Aug 18th	@ KC			@ MIL
Wed, Aug 19th	@ KC			@ MIL
Thu, Aug 20th	@ KC			@ MIL
Fri, Aug 21st	@ HOU			vs CHC
Sat, Aug 22nd	@ HOU			vs CHC
Sun, Aug 23rd	@ HOU			vs CHC
Mon, Aug 24th	vs MIN			vs PHI
Tue, Aug 25th	vs MIN			vs PHI
Wed, Aug 26th	vs MIN			vs PHI
Fri, Aug 28th	vs BAL			@ TOR
Sat, Aug 29th	vs BAL			@ TOR
Sun, Aug 30th	vs BAL			@ TOR
Mon, Aug 31st	@ TEX			@ BOS
Tue, Sep 1st	@ TEX			@ BOS
Wed, Sep 2nd	@ TEX			@ BOS
Thu, Sep 3rd	@ SEA			vs ATH
Fri, Sep 4th	@ SEA			vs ATH
Sat, Sep 5th	@ SEA			vs ATH
Sun, Sep 6th	@ SEA			vs ATH
Tue, Sep 8th	vs TOR			vs TEX
Wed, Sep 9th	vs TOR			vs TEX
Thu, Sep 10th				vs TEX
Fri, Sep 11th	vs SEA			@ ATH
Sat, Sep 12th	vs SEA			@ ATH
Sun, Sep 13th	vs SEA			@ ATH
Mon, Sep 14th				@ LAA
Tue, Sep 15th	@ TB			@ LAA
Wed, Sep 16th	@ TB			@ LAA
Fri, Sep 18th	@ CLE			@ COL
Sat, Sep 19th	@ CLE			@ COL
Sun, Sep 20th	@ CLE			@ COL
Tue, Sep 22nd	vs LAA			vs HOU
Wed, Sep 23rd	vs LAA			vs HOU
Thu, Sep 24th	vs HOU			vs LAA
Fri, Sep 25th	vs HOU			vs LAA
Sat, Sep 26th	vs HOU			vs LAA
Sun, Sep 27th	vs HOU			vs LAA
Thu, Apr 9th	@ NYY	Ryan Weathers (3-7)	#61
Thu, Apr 30th	vs KC	Noah Cameron (5-8)	#97
Thu, May 7th	@ PHI	Andrew Painter (1-8)	#236
Thu, May 21st	@ LAA	Jose Soriano (8-6)	#44
Thu, Jun 4th	@ CHC	Shota Imanaga (6-8)	#26
Mon, Jun 15th	vs PIT	Jared Jones (2-1)	#51
Wed, Jul 1st	vs LAD	Jack Dreyer (4-1)	#159
Mon, Aug 10th	vs TB
Mon, Aug 17th	@ KC
Mon, Sep 7th	vs TOR
Thu, Sep 17th	@ TB

Who Should I Trade?

Jhonathan Diaz for Mark Leiter Jr. (2026)

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