Who Should I Trade?

Jhonathan Diaz for Zack Kelly (2026)

Summary
Stats
Projections
News & Notes
Schedule

Who Should I Trade? Player Summaries
	Experts' Pick
	Zack Kelly SP,RP - BOS	Jhonathan Diaz RP - SEA
Expert Recommendation	100% Recommended by 1 of 1 experts	0% Recommended by 0 of 1 experts
Rankings

Rest of Season	‐	‐
VBR	# 1054	# 927

Projections

Strikeouts	4	3
Wins	0	0
Saves	0	0
ERA	4.90	4.22
WHIP	1.47	1.25

Misc

Injury Alert	IL60	MiLB

Expert Ranks

Kevin Spinelli KevScores	# 482	‐

Who Should I Trade? Player Statistics
	Zack Kelly SP,RP - BOS	Jhonathan Diaz RP - SEA
2026 Stats


Games Played	17	‐

Games Started	0	‐

Innings Pitched	16.1	‐

Wins	0	‐

Losses	2	‐

Saves	0	‐

Blown Saves	1	‐

Holds	3	‐

Hits Allowed	14	‐

Earned Runs	6	‐

Home Runs Allowed	1	‐

Strikeouts	14	‐

Walks	7	‐

ERA	3.31	‐

WHIP	1.29	‐

Who Should I Trade? Player Projections
	Zack Kelly SP,RP - BOS	Jhonathan Diaz RP - SEA
2026 Projections


Games Played	5	10

Games Started	0	1

Innings Pitched	4.6	4.3

Wins	0	0

Losses	0	0

Saves	0	0

Blown Saves	0	0

Holds	0	0

Hits Allowed	5	4

Earned Runs	3	2

Home Runs Allowed	1	1

Strikeouts	4	3

Walks	2	1

ERA	4.90	4.22

WHIP	1.47	1.25

Who Should I Trade? Player Notes
	Zack Kelly SP,RP - BOS	Jhonathan Diaz RP - SEA
News
	The Red Sox placed Zack Kelly on the 60-day injured list. 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 Red Sox officially optioned Zack Kelly to Triple-A. Ari Koslow Fri, May 22nd	The Mariners have signed left-hander Jhonathan Diaz to a minor-league deal. Brenton Kemp Tue, Feb 10th
	The Red Sox optioned Zack Kelly to Triple-A Worcester. Ari Koslow Thu, May 21st	The Mariners have outrighted left-hander Jhonathan Diaz to Triple-A Tacoma. Brenton Kemp Wed, Jan 28th
	Zack Kelly has been called up from Triple-A. Vince DiSilvio Fri, Apr 3rd	The Mariners designated LHP Jhonathan Díaz for assignment. Ari Koslow Fri, Jan 23rd
	The Red Sox optioned RHP Zack Kelly to Triple-A Worcester. 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
	Zack Kelly SP,RP - BOS			Jhonathan Diaz RP - SEA
Thu, Mar 26th	@ CIN	Andrew Abbott (5-6)	#105	vs CLE	Tanner Bibee (4-11)	#54
Fri, Mar 27th				vs CLE	Gavin Williams (10-6)	#25
Sat, Mar 28th	@ CIN	Brady Singer (5-10)	#148	vs CLE	Joey Cantillo (8-6)	#89
Sun, Mar 29th	@ CIN	Rhett Lowder (3-7)	#290	vs CLE	Slade Cecconi (4-7)	#131
Mon, Mar 30th	@ HOU	Lance McCullers Jr. (2-3)	#298	vs NYY	Ryan Weathers (4-7)	#69
Tue, Mar 31st	@ HOU	Hunter Brown (3-1)	#18	vs NYY	Max Fried (4-3)	#16
Wed, Apr 1st	@ HOU	Mike Burrows (4-9)	#215	vs NYY	Cam Schlittler (10-6)	#15
Fri, Apr 3rd	vs SD	Michael King (6-7)	#57	@ LAA	Reid Detmers (3-7)	#34
Sat, Apr 4th	vs SD	Randy Vasquez (6-6)	#251	@ LAA	Jack Kochanowicz (2-5)
Sun, Apr 5th	vs SD	Walker Buehler (6-5)	#229	@ LAA	George Klassen (0-1)	#309
Mon, Apr 6th	vs MIL	Brandon Woodruff (2-2)		@ TEX	Jacob deGrom (7-6)	#8
Tue, Apr 7th	vs MIL	Jacob Misiorowski (11-4)	#6	@ TEX	Nathan Eovaldi (10-9)	#14
Wed, Apr 8th	vs MIL	Shane Drohan (6-4)	#72	@ TEX	MacKenzie Gore (6-9)	#35
Fri, Apr 10th	@ STL	Dustin May (5-7)	#56	vs HOU	Tatsuya Imai (6-4)	#146
Sat, Apr 11th	@ STL	Kyle Leahy (7-4)	#103	vs HOU	Lance McCullers Jr. (2-3)	#298
Sun, Apr 12th	@ STL	Andre Pallante (11-6)	#110	vs HOU	Cody Bolton (0-1)	#322
Mon, Apr 13th	@ MIN	Bailey Ober (7-3)	#86	vs HOU	Mike Burrows (4-9)	#215
Tue, Apr 14th	@ MIN	Mick Abel (1-2)		@ SD	Michael King (6-7)	#57
Wed, Apr 15th	@ MIN	Simeon Woods Richardson (1-7)		@ SD	Randy Vasquez (6-6)	#251
Thu, Apr 16th				@ SD	Walker Buehler (6-5)	#229
Fri, Apr 17th	vs DET	Casey Mize (4-6)	#44	vs TEX	Jacob deGrom (7-6)	#8
Sat, Apr 18th	vs DET	Tarik Skubal (7-5)	#2	vs TEX	Nathan Eovaldi (10-9)	#14
Sun, Apr 19th	vs DET	Framber Valdez (5-7)	#33	vs TEX	MacKenzie Gore (6-9)	#35
Mon, Apr 20th	vs DET	Jack Flaherty (3-8)	#96	vs ATH	J.T. Ginn (8-6)	#161
Tue, Apr 21st	vs NYY	Luis Gil (1-2)	#391	vs ATH	Jacob Lopez (5-4)	#183
Wed, Apr 22nd	vs NYY	Max Fried (4-3)	#16	vs ATH	Aaron Civale (5-7)	#192
Fri, Apr 24th	@ BAL	Brandon Young (8-2)	#134	@ STL	Andre Pallante (11-6)	#110
Sat, Apr 25th	@ BAL	Trevor Rogers (6-7)	#65	@ STL	Matthew Liberatore (5-8)	#125
Sun, Apr 26th	@ BAL	Kyle Bradish (7-9)	#49	@ STL	Michael McGreevy (4-9)	#98
Mon, Apr 27th	@ TOR	Dylan Cease (7-5)	#9	@ MIN	Connor Prielipp (3-5)	#99
Tue, Apr 28th	@ TOR	Trey Yesavage (5-5)	#67	@ MIN	Joe Ryan (6-7)	#20
Wed, Apr 29th	@ TOR	Eric Lauer (6-5)	#338	@ MIN	Taj Bradley (9-4)	#51
Fri, May 1st	vs HOU	Mike Burrows (4-9)	#215	vs KC	Cole Ragans (1-4)
Sat, May 2nd	vs HOU	Spencer Arrighetti (7-5)	#268	vs KC	Seth Lugo (4-6)	#130
Sun, May 3rd	vs HOU	Cody Bolton (0-1)	#322	vs KC	Kris Bubic (3-2)	#111
Mon, May 4th	@ DET	Tyler Holton (1-4)	#135	vs ATL	JR Ritchie (1-2)	#283
Tue, May 5th	@ DET	Framber Valdez (5-7)	#33	vs ATL	Bryce Elder (7-6)	#132
Wed, May 6th	@ DET	Jack Flaherty (3-8)	#96	vs ATL	Martin Perez (6-6)	#235
Fri, May 8th	vs TB	Jesse Scholtens (5-3)	#358	@ CWS	Sean Burke (7-5)	#68
Sat, May 9th				@ CWS	Anthony Kay (7-5)	#188
Sun, May 10th	vs TB	Nick Martinez (10-3)	#93	@ CWS	Davis Martin (9-5)	#92
Mon, May 11th				@ HOU	Peter Lambert (8-5)	#150
Tue, May 12th	vs PHI	Zack Wheeler (10-2)	#5	@ HOU	Tatsuya Imai (6-4)	#146
Wed, May 13th	vs PHI	Andrew Painter (1-8)	#219	@ HOU	Lance McCullers Jr. (2-3)	#298
Thu, May 14th	vs PHI	Jesus Luzardo (9-5)	#11	@ HOU	Mike Burrows (4-9)	#215
Fri, May 15th	@ ATL	Spencer Strider (4-2)	#296	vs SD	Randy Vasquez (6-6)	#251
Sat, May 16th	@ ATL	Bryce Elder (7-6)	#132	vs SD	Walker Buehler (6-5)	#229
Sun, May 17th	@ ATL	Grant Holmes (6-4)	#142	vs SD	Lucas Giolito (2-3)	#319
Mon, May 18th	@ KC	Seth Lugo (4-6)	#130	vs CWS	Noah Schultz (3-7)	#204
Tue, May 19th	@ KC	Bailey Falter (0-2)		vs CWS	Anthony Kay (7-5)	#188
Wed, May 20th	@ KC	Michael Wacha (5-8)	#74	vs CWS	Sean Burke (7-5)	#68
Fri, May 22nd	vs MIN	Connor Prielipp (3-5)	#99	@ KC	Noah Cameron (5-8)	#84
Sat, May 23rd	vs MIN	Taj Bradley (9-4)	#51	@ KC	Stephen Kolek (4-3)	#363
Sun, May 24th	vs MIN	Bailey Ober (7-3)	#86	@ KC	Seth Lugo (4-6)	#130
Mon, May 25th				@ ATH	Aaron Civale (5-7)	#192
Tue, May 26th	vs ATL	Spencer Strider (4-2)	#296	@ ATH	Gage Jump (4-6)	#87
Wed, May 27th	vs ATL	Bryce Elder (7-6)	#132	@ ATH	Jeffrey Springs (3-11)	#242
Fri, May 29th	@ CLE	Slade Cecconi (4-7)	#131	vs ARI	Zac Gallen (3-9)	#166
Sat, May 30th	@ CLE	Parker Messick (8-6)	#45	vs ARI	Ryne Nelson (3-5)	#200
Sun, May 31st	@ CLE	Tanner Bibee (4-11)	#54	vs ARI	Merrill Kelly (8-8)	#122
Mon, Jun 1st				vs NYM	Austin Warren
Tue, Jun 2nd	vs BAL	Shane Baz (4-9)	#71	vs NYM	Huascar Brazoban (5-2)	#184
Wed, Jun 3rd	vs BAL	Chris Bassitt (4-4)	#181	vs NYM	Freddy Peralta (5-9)	#37
Fri, Jun 5th	@ NYY	Ryan Weathers (4-7)	#69	@ DET	Framber Valdez (5-7)	#33
Sat, Jun 6th				@ DET	Keider Montero (7-6)	#145
Sun, Jun 7th	@ NYY	Cam Schlittler (10-6)	#15	@ DET	Jack Flaherty (3-8)	#96
Mon, Jun 8th	@ TB	Ian Seymour (7-3)	#77	@ BAL	Trey Gibson (1-3)	#292
Tue, Jun 9th	@ TB	Nick Martinez (10-3)	#93	@ BAL	Trevor Rogers (6-7)	#65
Wed, Jun 10th	@ TB	Drew Rasmussen (9-5)	#19	@ BAL	Brandon Young (8-2)	#134
Thu, Jun 11th				@ BAL	Kyle Bradish (7-9)	#49
Fri, Jun 12th	vs TEX	Jack Leiter (3-7)	#124	@ WSH	Zack Littell (7-8)	#225
Sat, Jun 13th	vs TEX	Jacob deGrom (7-6)	#8	@ WSH	Cade Cavalli (8-4)	#55
Sun, Jun 14th	vs TEX	Nathan Eovaldi (10-9)	#14	@ WSH	PJ Poulin (3-0)	#308
Tue, Jun 16th	vs TOR	Dylan Cease (7-5)	#9	vs BAL	Brandon Young (8-2)	#134
Wed, Jun 17th	vs TOR	Braydon Fisher (3-3)	#172	vs BAL	Kyle Bradish (7-9)	#49
Thu, Jun 18th	vs TOR	Trey Yesavage (5-5)	#67	vs BAL	Shane Baz (4-9)	#71
Fri, Jun 19th	@ SEA	Bryce Miller (4-5)	#36	vs BOS	Ranger Suarez (4-3)	#23
Sat, Jun 20th	@ SEA	Emerson Hancock (6-5)	#107	vs BOS	Connelly Early (7-5)	#156
Sun, Jun 21st	@ SEA	Logan Gilbert (8-6)	#10	vs BOS	Payton Tolle (6-6)	#46
Tue, Jun 23rd	@ COL	Sean Sullivan (0-3)	#425	@ PIT	Mitch Keller (6-7)	#113
Wed, Jun 24th	@ COL	Kyle Freeland (2-10)	#362	@ PIT	Braxton Ashcraft (10-4)	#32
Thu, Jun 25th	vs NYY	Cam Schlittler (10-6)	#15	@ PIT	Bubba Chandler (3-8)	#106
Fri, Jun 26th	vs NYY	Will Warren (8-5)	#70	@ CLE	Joey Cantillo (8-6)	#89
Sat, Jun 27th	vs NYY	Gerrit Cole (4-5)	#24	@ CLE	Slade Cecconi (4-7)	#131
Sun, Jun 28th	vs NYY	Carlos Rodon (4-2)	#108	@ CLE	Gavin Williams (10-6)	#25
Mon, Jun 29th	vs WSH	Miles Mikolas (3-7)	#295	vs LAA	Ryan Johnson (2-6)	#163
Tue, Jun 30th	vs WSH	Cade Cavalli (8-4)	#55	vs LAA	Jose Soriano (9-6)	#52
Thu, Jul 2nd				vs LAA	Walbert Urena (6-7)	#286
Fri, Jul 3rd	@ LAA	Reid Detmers (3-7)	#34	vs TOR	Dylan Cease (7-5)	#9
Sat, Jul 4th	@ LAA	Sam Aldegheri (3-4)	#421	vs TOR	Shane Bieber (2-2)	#90
Sun, Jul 5th	@ LAA	Ryan Johnson (2-6)	#163	vs TOR	Trey Yesavage (5-5)	#67
Tue, Jul 7th	@ CWS	Noah Schultz (3-7)	#204	@ MIA	Max Meyer (9-1)	#78
Wed, Jul 8th	@ CWS	Davis Martin (9-5)	#92	@ MIA	Tyler Phillips (2-5)	#277
Thu, Jul 9th	@ CWS	Anthony Kay (7-5)	#188	@ MIA	Janson Junk (5-6)	#120
Fri, Jul 10th	@ NYM	Nolan McLean (7-7)	#29	@ TB	Nick Martinez (10-3)	#93
Sat, Jul 11th	@ NYM	Freddy Peralta (5-9)	#37	@ TB	Griffin Jax (6-8)	#58
Sun, Jul 12th	@ NYM	Zac Thornton (2-1)	#147	@ TB	Ian Seymour (7-3)	#77
Fri, Jul 17th	vs TB	Mason Englert (0-3)	#178	vs SF	Landen Roupp (7-9)	#62
Sat, Jul 18th	vs TB	Ian Seymour (7-3)	#77	vs SF	Logan Webb (6-7)	#17
Sun, Jul 19th	vs TB	Shane McClanahan (9-6)	#41	vs SF	Robbie Ray (10-6)	#100
Mon, Jul 20th	vs BAL	Shane Baz (4-9)	#71	vs CIN	Andrew Abbott (5-6)	#105
Tue, Jul 21st				vs CIN	Chase Burns (12-1)	#31
Wed, Jul 22nd	vs BAL	Kyle Bradish (7-9)	#49	vs CIN	Brady Singer (5-10)	#148
Fri, Jul 24th	vs TOR	Trey Yesavage (5-5)	#67	@ TEX	MacKenzie Gore (6-9)	#35
Sat, Jul 25th	vs TOR	Dylan Cease (7-5)	#9	@ TEX	Nathan Eovaldi (10-9)	#14
Sun, Jul 26th	vs TOR	Kevin Gausman (4-10)	#27	@ TEX	Jacob deGrom (7-6)	#8
Mon, Jul 27th	@ ATH	Jack Perkins (2-6)	#102	@ TEX	Kumar Rocker (4-8)	#80
Tue, Jul 28th	@ ATH	Gage Jump (4-6)	#87	@ LAD	Justin Wrobleski (11-2)	#79
Wed, Jul 29th	@ ATH	Jacob Lopez (5-4)	#183	@ LAD	Eric Lauer (6-5)	#338
Thu, Jul 30th	@ ATH	Mason Barnett (1-1)	#353	@ LAD	Roki Sasaki (5-5)	#94
Fri, Jul 31st	@ LAD	Edgardo Henriquez		vs MIN	Zebby Matthews (4-8)	#127
Sat, Aug 1st	@ LAD	Yoshinobu Yamamoto (11-6)	#12	vs MIN	Connor Prielipp (3-5)	#99
Sun, Aug 2nd	@ LAD	Emmet Sheehan (4-7)	#42	vs MIN	Taj Bradley (9-4)	#51
Tue, Aug 4th	vs CWS	Davis Martin (9-5)	#92	vs DET	Casey Mize (4-6)	#44
Wed, Aug 5th	vs CWS	Sean Burke (7-5)	#68	vs DET	Tarik Skubal (7-5)	#2
Thu, Aug 6th	vs CWS	Erick Fedde (6-6)	#381	vs DET
Fri, Aug 7th	vs ATH			vs TB	Drew Rasmussen (9-5)	#19
Sat, Aug 8th	vs ATH	Gage Jump (4-6)	#87	vs TB	Griffin Jax (6-8)	#58
Sun, Aug 9th	vs ATH	J.T. Ginn (8-6)	#161	vs TB	Ian Seymour (7-3)	#77
Tue, Aug 11th	@ TOR			@ NYY
Wed, Aug 12th	@ TOR			@ NYY
Thu, Aug 13th	@ TOR			@ NYY
Fri, Aug 14th	@ PIT			@ HOU
Sat, Aug 15th	@ PIT			@ HOU
Sun, Aug 16th	@ PIT			@ HOU
Tue, Aug 18th	vs ARI			@ MIL
Wed, Aug 19th	vs ARI			@ MIL
Thu, Aug 20th				@ MIL
Fri, Aug 21st	vs SF			vs CHC
Sat, Aug 22nd	vs SF			vs CHC
Sun, Aug 23rd	vs SF			vs CHC
Mon, Aug 24th	@ MIA			vs PHI
Tue, Aug 25th	@ MIA			vs PHI
Wed, Aug 26th	@ MIA			vs PHI
Fri, Aug 28th	@ NYY			@ TOR
Sat, Aug 29th	@ NYY			@ TOR
Sun, Aug 30th	@ NYY			@ TOR
Mon, Aug 31st	vs SEA			@ BOS
Tue, Sep 1st	vs SEA			@ BOS
Wed, Sep 2nd	vs SEA			@ BOS
Thu, Sep 3rd	@ BAL			vs ATH
Fri, Sep 4th	@ BAL			vs ATH
Sat, Sep 5th	@ BAL			vs ATH
Sun, Sep 6th	@ BAL			vs ATH
Tue, Sep 8th	vs LAA			vs TEX
Wed, Sep 9th	vs LAA			vs TEX
Thu, Sep 10th				vs TEX
Fri, Sep 11th	vs KC			@ ATH
Sat, Sep 12th	vs KC			@ ATH
Sun, Sep 13th	vs KC			@ ATH
Mon, Sep 14th				@ LAA
Tue, Sep 15th	@ TEX			@ LAA
Wed, Sep 16th	@ TEX			@ LAA
Fri, Sep 18th	@ TB			@ COL
Sat, Sep 19th	@ TB			@ COL
Sun, Sep 20th	@ TB			@ COL
Tue, Sep 22nd	vs CLE			vs HOU
Wed, Sep 23rd	vs CLE			vs HOU
Thu, Sep 24th	vs CLE			vs LAA
Fri, Sep 25th	vs CHC			vs LAA
Sat, Sep 26th	vs CHC			vs LAA
Sun, Sep 27th	vs CHC			vs LAA
Thu, Apr 23rd	vs NYY	Cam Schlittler (10-6)	#15
Thu, May 7th	vs TB	Griffin Jax (6-8)	#58
Thu, May 28th	vs ATL	Chris Sale (12-6)	#7
Thu, Jun 4th	vs BAL	Trevor Rogers (6-7)	#65
Mon, Jun 22nd	@ COL	Ryan Feltner (3-5)	#432
Wed, Jul 1st	vs WSH	Brad Lord (5-2)	#227
Mon, Aug 10th	@ TOR
Mon, Aug 17th	vs ARI
Mon, Sep 7th	vs LAA
Thu, Sep 17th	@ TEX

Who Should I Trade?

Jhonathan Diaz for Zack Kelly (2026)

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