Jhonathan Diaz or Michael Kopech

Baseball Stats Comparison

Stats
Projections
News & Notes
Schedule

Jhonathan Diaz or Michael Kopech Player Statistics
	Michael Kopech RP - FA	Jhonathan Diaz RP - SEA
2026 Stats


Games Played	‐	1

Games Started	‐	0

Innings Pitched	‐	1.1

Wins	‐	0

Losses	‐	0

Saves	‐	0

Blown Saves	‐	0

Holds	‐	0

Hits Allowed	‐	2

Earned Runs	‐	1

Home Runs Allowed	‐	1

Strikeouts	‐	1

Walks	‐	0

ERA	‐	6.75

WHIP	‐	1.50

Jhonathan Diaz or Michael Kopech Player Projections
	Michael Kopech RP - FA	Jhonathan Diaz RP - SEA
2026 Projections


Games Played	33	6

Games Started	1	1

Innings Pitched	36.0	9.8

Wins	2	0

Losses	2	0

Saves	1	0

Blown Saves	1	0

Holds	4	0

Hits Allowed	30	11

Earned Runs	20	10

Home Runs Allowed	5	2

Strikeouts	40	8

Walks	21	4

ERA	5.12	9.46

WHIP	1.42	1.52

Jhonathan Diaz or Michael Kopech Player Notes
	Michael Kopech RP - FA	Jhonathan Diaz RP - SEA
News
		The Mariners designated LHP Jhonathan Díaz for assignmnent. Ari Koslow Sat, Aug 22nd
		The Mariners have called up Jhonathan Diaz. Ari Koslow Wed, Aug 19th
		Lefthander Jhonathan Diaz has been reassigned to minor league camp by the Seattle Mariners. David Leisering Fri, Mar 20th
		The Mariners have signed left-hander Jhonathan Diaz to a minor-league deal. Brenton Kemp Tue, Feb 10th
		The Mariners have outrighted left-hander Jhonathan Diaz to Triple-A Tacoma. Brenton Kemp Wed, Jan 28th
Notes
There are no recent notes for these players

Jhonathan Diaz or Michael Kopech Player Schedules
Date	Opp	Opp	Opp Pitcher	VBR
	Michael Kopech RP - FA	Jhonathan Diaz RP - SEA
Thu, Mar 26th		vs CLE	Tanner Bibee (5-15)	#64
Fri, Mar 27th		vs CLE	Gavin Williams (13-7)	#20
Sat, Mar 28th		vs CLE	Joey Cantillo (9-9)	#72
Sun, Mar 29th		vs CLE	Slade Cecconi (4-7)	#180
Mon, Mar 30th		vs NYY	Ryan Weathers (5-8)	#177
Tue, Mar 31st		vs NYY	Max Fried (4-4)	#15
Wed, Apr 1st		vs NYY	Cam Schlittler (12-6)	#18
Fri, Apr 3rd		@ LAA	Reid Detmers (4-8)	#22
Sat, Apr 4th		@ LAA	Jack Kochanowicz (2-5)
Sun, Apr 5th		@ LAA	George Klassen (2-2)	#353
Mon, Apr 6th		@ TEX	Jacob deGrom (10-9)	#12
Tue, Apr 7th		@ TEX	Nathan Eovaldi (10-9)	#162
Wed, Apr 8th		@ TEX	MacKenzie Gore (8-10)	#48
Fri, Apr 10th		vs HOU	Tatsuya Imai (6-4)	#118
Sat, Apr 11th		vs HOU	Lance McCullers Jr. (2-3)
Sun, Apr 12th		vs HOU	Cody Bolton (0-1)	#325
Mon, Apr 13th		vs HOU	Mike Burrows (4-9)	#287
Tue, Apr 14th		@ SD	Michael King (10-9)	#58
Wed, Apr 15th		@ SD	Randy Vasquez (10-6)	#205
Thu, Apr 16th		@ SD	Walker Buehler (8-6)	#192
Fri, Apr 17th		vs TEX	Jacob deGrom (10-9)	#12
Sat, Apr 18th		vs TEX	Nathan Eovaldi (10-9)	#162
Sun, Apr 19th		vs TEX	MacKenzie Gore (8-10)	#48
Mon, Apr 20th		vs ATH	J.T. Ginn (9-8)	#254
Tue, Apr 21st		vs ATH	Jacob Lopez (6-4)	#139
Wed, Apr 22nd		vs ATH	Aaron Civale (6-7)	#174
Fri, Apr 24th		@ STL	Andre Pallante (12-6)	#122
Sat, Apr 25th		@ STL	Matthew Liberatore (5-14)	#79
Sun, Apr 26th		@ STL	Michael McGreevy (6-9)	#107
Mon, Apr 27th		@ MIN	Connor Prielipp (4-7)	#73
Tue, Apr 28th		@ MIN	Joe Ryan (6-9)	#29
Wed, Apr 29th		@ MIN	Taj Bradley (11-6)	#41
Fri, May 1st		vs KC	Cole Ragans (1-4)
Sat, May 2nd		vs KC	Seth Lugo (6-8)	#134
Sun, May 3rd		vs KC	Kris Bubic (3-2)	#163
Mon, May 4th		vs ATL	JR Ritchie (1-2)	#278
Tue, May 5th		vs ATL	Bryce Elder (8-8)	#144
Wed, May 6th		vs ATL	Martin Perez (8-9)	#181
Fri, May 8th		@ CWS	Sean Burke (8-6)	#65
Sat, May 9th		@ CWS	Anthony Kay (9-8)	#147
Sun, May 10th		@ CWS	Davis Martin (9-6)	#99
Mon, May 11th		@ HOU	Peter Lambert (8-8)	#137
Tue, May 12th		@ HOU	Tatsuya Imai (6-4)	#118
Wed, May 13th		@ HOU	Lance McCullers Jr. (2-3)
Thu, May 14th		@ HOU	Mike Burrows (4-9)	#287
Fri, May 15th		vs SD	Randy Vasquez (10-6)	#205
Sat, May 16th		vs SD	Walker Buehler (8-6)	#192
Sun, May 17th		vs SD	Lucas Giolito (2-3)
Mon, May 18th		vs CWS	Noah Schultz (3-9)	#309
Tue, May 19th		vs CWS	Anthony Kay (9-8)	#147
Wed, May 20th		vs CWS	Sean Burke (8-6)	#65
Fri, May 22nd		@ KC	Noah Cameron (9-8)	#91
Sat, May 23rd		@ KC	Stephen Kolek (4-3)
Sun, May 24th		@ KC	Seth Lugo (6-8)	#134
Mon, May 25th		@ ATH	Aaron Civale (6-7)	#174
Tue, May 26th		@ ATH	Gage Jump (6-10)	#114
Wed, May 27th		@ ATH	Jeffrey Springs (4-13)	#245
Fri, May 29th		vs ARI	Zac Gallen (3-9)	#138
Sat, May 30th		vs ARI	Ryne Nelson (3-5)	#193
Sun, May 31st		vs ARI	Merrill Kelly (9-13)	#158
Mon, Jun 1st		vs NYM	Austin Warren
Tue, Jun 2nd		vs NYM	Huascar Brazoban (5-2)	#282
Wed, Jun 3rd		vs NYM	Freddy Peralta (7-11)	#51
Fri, Jun 5th		@ DET	Framber Valdez (9-10)	#44
Sat, Jun 6th		@ DET	Keider Montero (9-8)	#116
Sun, Jun 7th		@ DET	Jack Flaherty (3-8)	#97
Mon, Jun 8th		@ BAL	Trey Gibson (1-3)	#336
Tue, Jun 9th		@ BAL	Trevor Rogers (10-9)	#53
Wed, Jun 10th		@ BAL	Brandon Young (9-3)	#123
Thu, Jun 11th		@ BAL	Kyle Bradish (7-13)	#54
Fri, Jun 12th		@ WSH	Zack Littell (8-8)	#317
Sat, Jun 13th		@ WSH	Cade Cavalli (12-5)	#37
Sun, Jun 14th		@ WSH	PJ Poulin (3-0)
Tue, Jun 16th		vs BAL	Brandon Young (9-3)	#123
Wed, Jun 17th		vs BAL	Kyle Bradish (7-13)	#54
Thu, Jun 18th		vs BAL	Shane Baz (5-15)	#75
Fri, Jun 19th		vs BOS	Ranger Suarez (6-4)	#36
Sat, Jun 20th		vs BOS	Connelly Early (7-5)	#183
Sun, Jun 21st		vs BOS	Payton Tolle (9-6)	#31
Tue, Jun 23rd		@ PIT	Mitch Keller (6-8)
Wed, Jun 24th		@ PIT	Braxton Ashcraft (14-6)	#27
Thu, Jun 25th		@ PIT	Bubba Chandler (6-9)	#117
Fri, Jun 26th		@ CLE	Joey Cantillo (9-9)	#72
Sat, Jun 27th		@ CLE	Slade Cecconi (4-7)	#180
Sun, Jun 28th		@ CLE	Gavin Williams (13-7)	#20
Mon, Jun 29th		vs LAA	Ryan Johnson (3-8)	#169
Tue, Jun 30th		vs LAA	Jose Soriano (11-7)	#40
Thu, Jul 2nd		vs LAA	Walbert Urena (9-10)	#168
Fri, Jul 3rd		vs TOR	Dylan Cease (10-5)	#6
Sat, Jul 4th		vs TOR	Shane Bieber (5-2)	#198
Sun, Jul 5th		vs TOR	Trey Yesavage (5-5)	#214
Tue, Jul 7th		@ MIA	Max Meyer (9-1)
Wed, Jul 8th		@ MIA	Tyler Phillips (5-6)	#184
Thu, Jul 9th		@ MIA	Janson Junk (6-9)	#100
Fri, Jul 10th		@ TB	Nick Martinez (14-4)	#84
Sat, Jul 11th		@ TB	Griffin Jax (6-10)	#30
Sun, Jul 12th		@ TB	Ian Seymour (9-6)	#43
Fri, Jul 17th		vs SF	Landen Roupp (8-13)	#87
Sat, Jul 18th		vs SF	Logan Webb (8-8)	#21
Sun, Jul 19th		vs SF	Robbie Ray (11-8)	#106
Mon, Jul 20th		vs CIN	Andrew Abbott (6-10)	#130
Tue, Jul 21st		vs CIN	Chase Burns (15-3)	#34
Wed, Jul 22nd		vs CIN	Brady Singer (6-13)	#157
Fri, Jul 24th		@ TEX	MacKenzie Gore (8-10)	#48
Sat, Jul 25th		@ TEX	Nathan Eovaldi (10-9)	#162
Sun, Jul 26th		@ TEX	Jacob deGrom (10-9)	#12
Mon, Jul 27th		@ TEX	Kumar Rocker (5-11)	#119
Tue, Jul 28th		@ LAD	Justin Wrobleski (11-5)	#103
Wed, Jul 29th		@ LAD	Eric Lauer (8-7)	#334
Thu, Jul 30th		@ LAD	Roki Sasaki (5-5)	#178
Fri, Jul 31st		vs MIN	Zebby Matthews (9-9)	#92
Sat, Aug 1st		vs MIN	Connor Prielipp (4-7)	#73
Sun, Aug 2nd		vs MIN	Taj Bradley (11-6)	#41
Tue, Aug 4th		vs DET	Troy Melton (8-4)	#61
Wed, Aug 5th		vs DET	Drew Anderson (4-5)	#66
Thu, Aug 6th		vs DET	Framber Valdez (9-10)	#44
Fri, Aug 7th		vs TB	Drew Rasmussen (14-5)	#19
Sat, Aug 8th		vs TB	Casey Legumina (2-2)	#209
Sun, Aug 9th		vs TB	Ian Seymour (9-6)	#43
Tue, Aug 11th		@ NYY	Ryan Weathers (5-8)	#177
Wed, Aug 12th		@ NYY	Will Warren (9-6)	#80
Thu, Aug 13th		@ NYY	Max Fried (4-4)	#15
Fri, Aug 14th		@ HOU	Peter Lambert (8-8)	#137
Sat, Aug 15th		@ HOU	Hayden Wesneski (4-1)	#86
Sun, Aug 16th		@ HOU	Hunter Brown (5-3)	#28
Tue, Aug 18th		@ MIL	Kyle Harrison (10-4)	#63
Wed, Aug 19th		@ MIL	Dustin May (6-9)	#57
Thu, Aug 20th		@ MIL	Robert Gasser (4-5)	#85
Fri, Aug 21st		vs CHC	Matthew Boyd (8-4)	#59
Sat, Aug 22nd		vs CHC	David Peterson (7-8)	#109
Sun, Aug 23rd		vs CHC	Shota Imanaga (9-10)	#33
Mon, Aug 24th		vs PHI	Zack Wheeler (12-5)	#7
Tue, Aug 25th		vs PHI	Aaron Nola (6-10)	#62
Wed, Aug 26th		vs PHI	Jesus Luzardo (14-5)	#8
Fri, Aug 28th		@ TOR	Dylan Cease (10-5)	#6
Sat, Aug 29th		@ TOR	Jose Soriano (11-7)	#40
Sun, Aug 30th		@ TOR	Max Scherzer (2-7)	#111
Mon, Aug 31st		@ BOS	Payton Tolle (9-6)	#31
Tue, Sep 1st		@ BOS	Jedixson Paez (0-1)	#316
Wed, Sep 2nd		@ BOS	Patrick Sandoval (1-4)	#101
Thu, Sep 3rd		vs ATH	Jack Perkins (3-10)	#129
Fri, Sep 4th		vs ATH	Kade Morris (0-1)	#393
Sat, Sep 5th		vs ATH	Jeffrey Springs (4-13)	#245
Sun, Sep 6th		vs ATH	Gage Jump (6-10)	#114
Tue, Sep 8th		vs TEX	Cody Bradford (0-4)	#94
Wed, Sep 9th		vs TEX	Cal Quantrill (7-5)	#154
Thu, Sep 10th		vs TEX	Kumar Rocker (5-11)	#119
Fri, Sep 11th		@ ATH	Jeffrey Springs (4-13)	#245
Sat, Sep 12th		@ ATH	Gage Jump (6-10)	#114
Sun, Sep 13th		@ ATH	Jacob Lopez (6-4)	#139
Mon, Sep 14th		@ LAA	Reid Detmers (4-8)	#22
Tue, Sep 15th		@ LAA
Wed, Sep 16th		@ LAA	Yusei Kikuchi (1-5)	#81
Fri, Sep 18th		@ COL
Sat, Sep 19th		@ COL
Sun, Sep 20th		@ COL
Tue, Sep 22nd		vs HOU
Wed, Sep 23rd		vs HOU
Thu, Sep 24th		vs LAA
Fri, Sep 25th		vs LAA
Sat, Sep 26th		vs LAA
Sun, Sep 27th		vs LAA