Who Should I Trade?

Welinton Herrera for Yilber Diaz (2026)

Summary
Stats
Projections
News & Notes
Schedule

Who Should I Trade? Player Summaries
	Experts' Pick	Experts' Pick
	Welinton Herrera RP - COL	Yilber Diaz RP - DET
Expert Recommendation	0% Recommended by 0 of 0 experts	0% Recommended by 0 of 0 experts
Rankings

Rest of Season	‐	‐
VBR	‐	# 1047

Projections

Strikeouts	1	4
Wins	0	0
Saves	0	0
ERA	7.03	4.61
WHIP	1.56	1.53

Misc

Injury Alert	IL60	MiLB

Expert Ranks

Who Should I Trade? Player Statistics
	Welinton Herrera RP - COL	Yilber Diaz RP - DET
2026 Stats


Games Played	3	1

Games Started	0	0

Innings Pitched	2.1	0.2

Wins	0	0

Losses	0	0

Saves	0	0

Blown Saves	0	0

Holds	0	0

Hits Allowed	2	7

Earned Runs	0	7

Home Runs Allowed	0	1

Strikeouts	2	0

Walks	1	1

ERA	0.00	94.50

WHIP	1.29	12.00

Who Should I Trade? Player Projections
	Welinton Herrera RP - COL	Yilber Diaz RP - DET
2026 Projections


Games Played	1	8

Games Started	0	0

Innings Pitched	0.6	4.8

Wins	0	0

Losses	0	0

Saves	0	0

Blown Saves	0	0

Holds	0	0

Hits Allowed	1	4

Earned Runs	1	2

Home Runs Allowed	0	1

Strikeouts	1	4

Walks	1	3

ERA	7.03	4.61

WHIP	1.56	1.53

Who Should I Trade? Player Notes
	Welinton Herrera RP - COL	Yilber Diaz RP - DET
News
	Welinton Herrera will undergo season-ending Tommy John surgery. Nicholas Rodriguez Tue, Jun 30th	The Tigers optioned Yilber Diaz to Triple-A Toledo. Ari Koslow Fri, Jun 26th
	Welinton Herrera is receiving a second opinion on his UCL tear. Nicholas Rodriguez Sat, Jun 6th	The Tigers have claimed pitcher Yilber Diaz off waivers from the Diamondbacks. Ari Koslow Fri, Jun 26th
	Welinton Herrera (elbow) has been transferred to the 60-day IL by the Colorado Rockies. The move allows an open spot on the 40-man roster for righthander TJ Shook, who was called up on Monday. David Leisering Mon, Jun 1st	The Diamondbacks designated RHP Yilber Díaz for assignment. Ari Koslow Sun, Jun 21st
	The Rockies placed Welinton Herrera on the 15-day injured list with left elbow inflammation. Ari Koslow Sat, May 30th	Yilber Diaz is being called up to the Arizona Diamondbacks. Diego Sandoval Fri, Jun 19th
	The Rockies recalled LHP Welinton Herrera from Triple-A Albuquerque. Ari Koslow Mon, May 25th	Diaz transitioned to a relief role at Triple-A Reno last season and issued 73 walks across 57 innings in the minors. He allowed four runs on three hits and two walks over 1.2 innings this spring. Bruno Mulé Thu, Mar 5th
Notes
There are no recent notes for these players

Who Should I Trade? Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	Welinton Herrera RP - COL			Yilber Diaz RP - DET
Fri, Mar 27th	@ MIA	Sandy Alcantara (10-6)	#58	@ SD	Michael King (6-7)	#50
Sat, Mar 28th	@ MIA	Eury Perez (5-7)	#43	@ SD	Randy Vasquez (6-6)	#243
Sun, Mar 29th	@ MIA	Max Meyer (9-1)	#82
Mon, Mar 30th	@ TOR	Cody Ponce (0-0)		@ ARI	Michael Soroka (8-3)	#70
Tue, Mar 31st	@ TOR	Max Scherzer (1-4)	#137	@ ARI	Brandon Pfaadt (5-1)	#69
Wed, Apr 1st	@ TOR	Kevin Gausman (4-9)	#30	@ ARI	Zac Gallen (3-9)	#169
Fri, Apr 3rd	vs PHI	Aaron Nola (3-8)	#52	vs STL	Michael McGreevy (4-8)	#84
Sat, Apr 4th	vs PHI	Jesus Luzardo (9-5)	#9	vs STL	Dustin May (5-7)	#47
Sun, Apr 5th	vs PHI	Taijuan Walker (1-4)		vs STL	Kyle Leahy (7-4)	#119
Mon, Apr 6th	vs HOU	Cody Bolton (0-1)	#310	@ MIN	Joe Ryan (6-6)	#15
Tue, Apr 7th	vs HOU	Mike Burrows (4-9)	#220	@ MIN	Taj Bradley (9-4)	#45
Wed, Apr 8th	vs HOU	Cristian Javier (0-1)	#199	@ MIN	Bailey Ober (7-3)	#88
Thu, Apr 9th	@ SD	Randy Vasquez (6-6)	#243	@ MIN	Mick Abel (1-2)
Fri, Apr 10th	@ SD	Walker Buehler (6-5)	#274	vs MIA	Chris Paddack (0-7)
Sat, Apr 11th	@ SD	German Marquez (4-2)	#388	vs MIA	Janson Junk (4-6)	#109
Sun, Apr 12th	@ SD	Nick Pivetta (1-2)	#90	vs MIA	Sandy Alcantara (10-6)	#58
Tue, Apr 14th	@ HOU	Colton Gordon (0-0)	#234	vs KC	Cole Ragans (1-4)
Wed, Apr 15th	@ HOU	Spencer Arrighetti (7-5)	#152	vs KC	Seth Lugo (4-6)	#139
Thu, Apr 16th	@ HOU	Ryan Weiss (0-3)	#384	vs KC	Kris Bubic (3-2)	#123
Fri, Apr 17th	vs LAD	Tyler Glasnow (3-0)	#73	@ BOS	Ranger Suarez (4-3)	#29
Sat, Apr 18th	vs LAD	Emmet Sheehan (4-7)	#35	@ BOS	Brayan Bello (2-6)	#131
Sun, Apr 19th	vs LAD	Roki Sasaki (4-5)	#108	@ BOS	Garrett Crochet (3-3)	#183
Mon, Apr 20th	vs LAD	Justin Wrobleski (11-2)	#74	@ BOS	Sonny Gray (12-1)	#28
Tue, Apr 21st	vs SD	Randy Vasquez (6-6)	#243	vs MIL	Kyle Harrison (8-2)	#54
Wed, Apr 22nd	vs SD	Walker Buehler (6-5)	#274	vs MIL	DL Hall (0-0)	#209
Thu, Apr 23rd	vs SD	Matt Waldron (1-2)	#262	vs MIL	Brandon Sproat (3-5)	#147
Fri, Apr 24th	@ NYM	Freddy Peralta (5-9)	#42	@ CIN	Andrew Abbott (5-6)	#105
Sun, Apr 26th	@ NYM	Kodai Senga (0-7)	#197	@ CIN	Rhett Lowder (3-7)	#298
Tue, Apr 28th	@ CIN	Chase Burns (12-1)	#21	@ ATL	Martin Perez (6-6)	#192
Wed, Apr 29th	@ CIN	Brandon Williamson (2-3)	#418	@ ATL	JR Ritchie (1-2)	#302
Thu, Apr 30th	@ CIN	Andrew Abbott (5-6)	#105	@ ATL	Bryce Elder (6-6)	#149
Fri, May 1st	vs ATL	Grant Holmes (6-4)	#154	vs TEX	MacKenzie Gore (6-8)	#32
Sat, May 2nd	vs ATL	Chris Sale (11-6)	#6	vs TEX	Kumar Rocker (3-8)	#86
Sun, May 3rd	vs ATL	Spencer Strider (4-2)	#285	vs TEX	Jack Leiter (3-7)	#130
Mon, May 4th	vs NYM	Huascar Brazoban (4-2)	#194	vs BOS	Payton Tolle (5-6)	#55
Wed, May 6th	vs NYM	Freddy Peralta (5-9)	#42	vs BOS	Sonny Gray (12-1)	#28
Thu, May 7th	vs NYM	Christian Scott (3-2)	#57
Fri, May 8th	@ PHI	Jesus Luzardo (9-5)	#9	@ KC	Kris Bubic (3-2)	#123
Sat, May 9th	@ PHI	Aaron Nola (3-8)	#52	@ KC	Michael Wacha (5-7)	#68
Sun, May 10th	@ PHI	Cristopher Sanchez (12-4)	#4	@ KC	Noah Cameron (5-8)	#97
Tue, May 12th	@ PIT	Paul Skenes (9-8)	#3	@ NYM	Freddy Peralta (5-9)	#42
Wed, May 13th	@ PIT	Mitch Keller (6-7)	#132	@ NYM	Christian Scott (3-2)	#57
Thu, May 14th	@ PIT	Mason Montgomery (3-3)	#125	@ NYM	Nolan McLean (7-6)	#31
Fri, May 15th	vs ARI	Merrill Kelly (8-8)	#116	vs TOR	Trey Yesavage (4-5)	#77
Sat, May 16th	vs ARI	Eduardo Rodriguez (9-3)	#114	vs TOR	Mason Fluharty (4-1)	#162
Sun, May 17th	vs ARI	Michael Soroka (8-3)	#70	vs TOR	Kevin Gausman (4-9)	#30
Mon, May 18th	vs TEX	MacKenzie Gore (6-8)	#32	vs CLE	Slade Cecconi (4-7)	#111
Tue, May 19th	vs TEX	Tyler Alexander (1-1)	#182	vs CLE	Parker Messick (8-5)	#48
Wed, May 20th	vs TEX	Jack Leiter (3-7)	#130	vs CLE	Tanner Bibee (4-9)	#46
Thu, May 21st	@ ARI	Eduardo Rodriguez (9-3)	#114	vs CLE	Joey Cantillo (8-6)	#75
Fri, May 22nd	@ ARI	Michael Soroka (8-3)	#70	@ BAL	Keegan Akin (0-1)
Sat, May 23rd	@ ARI	Zac Gallen (3-9)	#169
Sun, May 24th	@ ARI	Ryne Nelson (3-5)	#202	@ BAL	Trevor Rogers (6-7)	#67
Mon, May 25th	@ LAD	Emmet Sheehan (4-7)	#35
Tue, May 26th	@ LAD	Eric Lauer (5-5)	#389	vs LAA	Jack Kochanowicz (2-5)
Wed, May 27th	@ LAD	Shohei Ohtani (8-2)	#1	vs LAA	Jose Soriano (8-6)	#44
Fri, May 29th	vs SF	Logan Webb (5-7)	#16	@ CWS	Brandon Eisert (2-2)	#223
Sat, May 30th	vs SF	Adrian Houser (2-7)	#204	@ CWS	Anthony Kay (7-4)	#210
Sun, May 31st	vs SF	Robbie Ray (8-6)	#101	@ CWS	Sean Burke (7-4)	#85
Mon, Jun 1st	@ LAA	Jose Soriano (8-6)	#44	@ TB	Griffin Jax (6-7)	#56
Tue, Jun 2nd	@ LAA	Grayson Rodriguez (3-3)	#99	@ TB	Steven Matz (4-4)	#205
Wed, Jun 3rd	@ LAA	Walbert Urena (6-7)	#330	@ TB	Nick Martinez (9-2)	#104
Fri, Jun 5th	vs MIL	Brandon Sproat (3-5)	#147	vs SEA	Bryan Woo (7-6)	#14
Sat, Jun 6th	vs MIL	Jacob Misiorowski (10-4)	#8	vs SEA	Bryce Miller (4-5)	#34
Sun, Jun 7th	vs MIL	Shane Drohan (5-4)	#81	vs SEA	Luis Castillo (3-9)	#63
Tue, Jun 9th	vs CHC	Colin Rea (7-7)	#195	vs MIN	Taj Bradley (9-4)	#45
Wed, Jun 10th	vs CHC	Shota Imanaga (6-8)	#26	vs MIN	Mike Paredes (0-3)	#343
Thu, Jun 11th	vs CHC	Edward Cabrera (5-4)	#117	vs MIN	Zebby Matthews (4-8)	#112
Fri, Jun 12th	@ ATH	Gage Jump (3-6)	#95	@ CLE	Tanner Bibee (4-9)	#46
Sat, Jun 13th	@ ATH	Joey Estes (0-0)	#426	@ CLE	Joey Cantillo (8-6)	#75
Sun, Jun 14th	@ ATH	Jeffrey Springs (3-9)	#186
Mon, Jun 15th	@ CHC	Shota Imanaga (6-8)	#26	@ HOU	Kai-Wei Teng (5-6)	#232
Tue, Jun 16th	@ CHC	Edward Cabrera (5-4)	#117	@ HOU	Hunter Brown (1-1)	#23
Wed, Jun 17th	@ CHC	Javier Assad (6-1)	#239	@ HOU	Peter Lambert (8-5)	#136
Fri, Jun 19th	vs PIT	Bubba Chandler (3-8)	#121	vs CWS	Brandon Eisert (2-2)	#223
Sat, Jun 20th	vs PIT	Paul Skenes (9-8)	#3	vs CWS	Sean Newcomb (0-2)	#143
Sun, Jun 21st	vs PIT	Jared Jones (2-1)	#51	vs CWS	Davis Martin (9-5)	#94
Mon, Jun 22nd	vs BOS	Jake Bennett (6-3)	#93	vs NYY	Gerrit Cole (3-5)	#25
Tue, Jun 23rd	vs BOS	Sonny Gray (12-1)	#28	vs NYY	Carlos Rodon (4-2)	#79
Wed, Jun 24th	vs BOS	Ranger Suarez (4-3)	#29	vs NYY	Ryan Weathers (3-7)	#61
Fri, Jun 26th	@ MIN	Taj Bradley (9-4)	#45	vs HOU	Spencer Arrighetti (7-5)	#152
Sat, Jun 27th	@ MIN	Mike Paredes (0-3)	#343	vs HOU	Kai-Wei Teng (5-6)	#232
Sun, Jun 28th	@ MIN	Connor Prielipp (2-5)	#120	vs HOU	Hunter Brown (1-1)	#23
Mon, Jun 29th	vs MIA	Sandy Alcantara (10-6)	#58	@ NYY	Ryan Weathers (3-7)	#61
Tue, Jun 30th	vs MIA	Eury Perez (5-7)	#43	@ NYY	Cam Schlittler (10-6)	#22
Wed, Jul 1st	vs MIA	Max Meyer (9-1)	#82	@ NYY	Will Warren (7-4)	#62
Thu, Jul 2nd	vs MIA	Ryan Gusto (0-2)	#207	@ TEX	Nathan Eovaldi (9-8)	#19
Fri, Jul 3rd	vs SF	Logan Webb (5-7)	#16
Sat, Jul 4th	vs SF	Robbie Ray (8-6)	#101	@ TEX	Cal Quantrill (3-3)	#325
Sun, Jul 5th	vs SF	Tyler Mahle (2-9)	#83	@ TEX	Kumar Rocker (3-8)	#86
Mon, Jul 6th	@ LAD	Eric Lauer (5-5)	#389
Tue, Jul 7th	@ LAD	Justin Wrobleski (11-2)	#74	vs ATH	J.T. Ginn (8-6)	#146
Wed, Jul 8th	@ LAD	Roki Sasaki (4-5)	#108	vs ATH	Jeffrey Springs (3-9)	#186
Thu, Jul 9th	@ SF	Carson Whisenhunt (2-0)	#184	vs ATH	Jose Suarez	#179
Fri, Jul 10th	@ SF	Robbie Ray (8-6)	#101	vs PHI	Aaron Nola (3-8)	#52
Sat, Jul 11th	@ SF	Tyler Mahle (2-9)	#83	vs PHI	Cristopher Sanchez (12-4)	#4
Sun, Jul 12th	@ SF	Trevor McDonald (3-7)	#233	vs PHI	Zack Wheeler (10-2)	#5
Fri, Jul 17th	vs CIN	Brady Singer (5-9)	#155	@ LAA	Reid Detmers (3-7)	#40
Sat, Jul 18th	vs CIN	Rhett Lowder (3-7)	#298	@ LAA	Grayson Rodriguez (3-3)	#99
Sun, Jul 19th	vs CIN	Hunter Greene (2-1)	#17	@ LAA	Ryan Johnson (2-4)	#171
Mon, Jul 20th	vs WSH	Andrew Alvarez (2-3)	#148	@ CHC	Jameson Taillon (2-5)	#103
Tue, Jul 21st	vs WSH	Carson Palmquist (0-1)	#318	@ CHC	David Peterson (5-7)	#76
Wed, Jul 22nd	vs WSH	Cade Cavalli (7-4)	#59	@ CHC	Colin Rea (7-7)	#195
Fri, Jul 24th	@ MIL	Shane Drohan (5-4)	#81	vs KC	Beck Way (1-1)	#366
Sat, Jul 25th	@ MIL	Robert Gasser (2-4)	#129	vs KC	Michael Wacha (5-7)	#68
Sun, Jul 26th	@ MIL	Jacob Misiorowski (10-4)	#8	vs KC	Luinder Avila (5-3)	#267
Tue, Jul 28th	@ SD	Michael King (6-7)	#50	vs BAL	Dean Kremer (1-3)	#87
Wed, Jul 29th	@ SD	Griffin Canning (1-9)	#172	vs BAL	Trevor Rogers (6-7)	#67
Fri, Jul 31st	vs KC	Michael Wacha (5-7)	#68	@ ATH	Jeffrey Springs (3-9)	#186
Sat, Aug 1st	vs KC	Luinder Avila (5-3)	#267	@ ATH	Jack Perkins (2-5)	#106
Sun, Aug 2nd	vs KC	Seth Lugo (4-6)	#139	@ ATH	Gage Jump (3-6)	#95
Mon, Aug 3rd	vs TB	Ian Seymour (6-3)	#72
Tue, Aug 4th	vs TB			@ SEA
Wed, Aug 5th	vs TB			@ SEA
Fri, Aug 7th	@ STL			@ SF
Sat, Aug 8th	@ STL			@ SF
Sun, Aug 9th	@ STL			@ SF
Mon, Aug 10th	@ ARI
Tue, Aug 11th	@ ARI			vs CLE
Wed, Aug 12th	@ ARI			vs CLE
Fri, Aug 14th	@ SF			vs CWS
Sat, Aug 15th	@ SF			vs CWS
Sun, Aug 16th	@ SF			vs CWS
Mon, Aug 17th	vs LAD			@ PIT
Tue, Aug 18th	vs LAD			@ PIT
Wed, Aug 19th	vs LAD			@ PIT
Fri, Aug 21st	vs CLE			@ KC
Sat, Aug 22nd	vs CLE			@ KC
Sun, Aug 23rd	vs CLE			@ KC
Mon, Aug 24th	@ WSH			vs TB
Tue, Aug 25th	@ WSH			vs TB
Wed, Aug 26th	@ WSH			vs TB
Thu, Aug 27th	@ WSH
Fri, Aug 28th	@ ATL			vs LAD
Sat, Aug 29th	@ ATL			vs LAD
Sun, Aug 30th	@ ATL			vs LAD
Mon, Aug 31st	vs BAL			@ MIN
Tue, Sep 1st	vs BAL			@ MIN
Wed, Sep 2nd	vs BAL			@ MIN
Fri, Sep 4th	vs STL			@ CLE
Sat, Sep 5th	vs STL			@ CLE
Sun, Sep 6th	vs STL			@ CLE
Tue, Sep 8th	@ NYY			vs MIN
Wed, Sep 9th	@ NYY			vs MIN
Thu, Sep 10th	@ NYY
Fri, Sep 11th	@ DET			vs COL
Sat, Sep 12th	@ DET			vs COL
Sun, Sep 13th	@ DET			vs COL
Mon, Sep 14th	vs SD			@ TOR
Tue, Sep 15th	vs SD			@ TOR
Wed, Sep 16th	vs SD			@ TOR
Thu, Sep 17th	vs SD			@ CWS
Fri, Sep 18th	vs SEA			@ CWS
Sat, Sep 19th	vs SEA			@ CWS
Sun, Sep 20th	vs SEA			@ CWS
Tue, Sep 22nd	vs ARI			vs WSH
Wed, Sep 23rd	vs ARI			vs WSH
Thu, Sep 24th	vs ARI
Fri, Sep 25th	@ CWS			vs PIT
Sat, Sep 26th	@ CWS			vs PIT
Sun, Sep 27th	@ CWS			vs PIT
Thu, Mar 26th				@ SD	Nick Pivetta (1-2)	#90
Sat, Apr 25th				@ CIN	Brady Singer (5-9)	#155
Tue, May 5th				vs BOS	Jovani Moran (2-2)	#164
Thu, May 28th				vs LAA	Grayson Rodriguez (3-3)	#99
Thu, Jun 25th				vs HOU	Tatsuya Imai (6-4)	#124
Thu, Jul 23rd				vs KC	Randy Dobnak (0-0)	#430
Mon, Jul 27th				vs BAL	Kyle Bradish (7-9)	#41
Thu, Aug 6th				@ SEA
Thu, Aug 13th				vs CLE
Mon, Sep 7th				vs MIN
Mon, Sep 21st				vs WSH

Who Should I Trade?

Welinton Herrera for Yilber Diaz (2026)

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