James McArthur or Jhonathan Diaz

Baseball Stats Comparison

Stats
Projections
News & Notes
Schedule

James McArthur or Jhonathan Diaz Player Statistics
	James McArthur RP - KC	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

James McArthur or Jhonathan Diaz Player Projections
	James McArthur RP - KC	Jhonathan Diaz RP - SEA
2026 Projections


Games Played	25	6

Games Started	0	1

Innings Pitched	25.8	9.8

Wins	1	0

Losses	1	0

Saves	1	0

Blown Saves	0	0

Holds	1	0

Hits Allowed	25	11

Earned Runs	14	10

Home Runs Allowed	3	2

Strikeouts	23	8

Walks	8	4

ERA	4.90	9.46

WHIP	1.29	1.52

James McArthur or Jhonathan Diaz Player Notes
	James McArthur RP - KC	Jhonathan Diaz RP - SEA
News
	James McArthur is on a bullpen schedule. Ari Koslow Wed, Aug 19th	The Mariners designated LHP Jhonathan Díaz for assignmnent. Ari Koslow Sat, Aug 22nd
	James McArthur underwent another surgical procedure last week. Ari Koslow Fri, May 29th	The Mariners have called up Jhonathan Diaz. Ari Koslow Wed, Aug 19th
	Royals right-hander James McArthur (elbow) continues to deal with soreness and will see a specialist to determine next steps. Brenton Kemp Mon, Apr 20th	Lefthander Jhonathan Diaz has been reassigned to minor league camp by the Seattle Mariners. David Leisering Fri, Mar 20th
	The Royals have transferred right-hander James McArthur (elbow) to the 60-day injured list. Brenton Kemp Sun, Apr 19th	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

James McArthur or Jhonathan Diaz Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	James McArthur RP - KC			Jhonathan Diaz RP - SEA
Fri, Mar 27th	@ ATL	Chris Sale (14-9)	#3	vs CLE	Gavin Williams (13-7)	#20
Sat, Mar 28th	@ ATL	Reynaldo Lopez (4-3)	#83	vs CLE	Joey Cantillo (9-9)	#72
Sun, Mar 29th	@ ATL	Grant Holmes (9-5)	#155	vs CLE	Slade Cecconi (4-7)	#180
Mon, Mar 30th	vs MIN	Simeon Woods Richardson (2-7)		vs NYY	Ryan Weathers (5-8)	#177
Wed, Apr 1st	vs MIN	Joe Ryan (6-9)	#29	vs NYY	Cam Schlittler (13-6)	#18
Thu, Apr 2nd	vs MIN	Taj Bradley (11-6)	#41
Sat, Apr 4th	vs MIL	Logan Henderson (9-3)	#25	@ LAA	Jack Kochanowicz (2-5)
Sun, Apr 5th	vs MIL	Kyle Harrison (10-4)	#63	@ LAA	George Klassen (2-2)	#353
Mon, Apr 6th	@ CLE	Tanner Bibee (5-15)	#64	@ TEX	Jacob deGrom (10-9)	#12
Tue, Apr 7th	@ CLE	Gavin Williams (13-7)	#20	@ TEX	Nathan Eovaldi (10-9)	#162
Wed, Apr 8th	@ CLE	Joey Cantillo (9-9)	#72	@ TEX	MacKenzie Gore (8-10)	#48
Thu, Apr 9th	vs CWS	Anthony Kay (9-8)	#147
Fri, Apr 10th	vs CWS	Davis Martin (9-6)	#99	vs HOU	Tatsuya Imai (6-4)	#118
Sat, Apr 11th	vs CWS	Erick Fedde (8-8)	#399	vs HOU	Lance McCullers Jr. (2-3)
Sun, Apr 12th	vs CWS	Grant Taylor (7-2)	#26	vs HOU	Cody Bolton (0-1)	#325
Tue, Apr 14th	@ DET	Framber Valdez (9-10)	#44	@ SD	Michael King (10-9)	#58
Wed, Apr 15th	@ DET	Jack Flaherty (3-8)	#97	@ SD	Randy Vasquez (10-6)	#205
Thu, Apr 16th	@ DET	Keider Montero (9-8)	#116	@ SD	Walker Buehler (8-6)	#192
Fri, Apr 17th	@ NYY	Cam Schlittler (13-6)	#18	vs TEX	Jacob deGrom (10-9)	#12
Sat, Apr 18th	@ NYY	Will Warren (9-6)	#80	vs TEX	Nathan Eovaldi (10-9)	#162
Sun, Apr 19th	@ NYY	Ryan Weathers (5-8)	#177	vs TEX	MacKenzie Gore (8-10)	#48
Mon, Apr 20th	vs BAL	Kyle Bradish (7-13)	#54	vs ATH	J.T. Ginn (9-8)	#254
Tue, Apr 21st	vs BAL	Shane Baz (5-15)	#75	vs ATH	Jacob Lopez (6-4)	#139
Wed, Apr 22nd	vs BAL	Chris Bassitt (6-5)	#141	vs ATH	Aaron Civale (6-7)	#174
Fri, Apr 24th	vs LAA	Yusei Kikuchi (1-5)	#81	@ STL	Andre Pallante (12-6)	#122
Sat, Apr 25th	vs LAA	Walbert Urena (9-10)	#168	@ STL	Matthew Liberatore (5-14)	#79
Sun, Apr 26th	vs LAA	Reid Detmers (5-8)	#22	@ STL	Michael McGreevy (6-9)	#107
Tue, Apr 28th	@ ATH	Aaron Civale (6-7)	#174	@ MIN	Joe Ryan (6-9)	#29
Wed, Apr 29th	@ ATH	Luis Severino (2-6)		@ MIN	Taj Bradley (11-6)	#41
Thu, Apr 30th	@ ATH	Jeffrey Springs (4-13)	#245
Fri, May 1st	@ SEA	Bryan Woo (11-9)	#14	vs KC	Cole Ragans (1-4)
Sat, May 2nd	@ SEA	Emerson Hancock (7-8)	#199	vs KC	Seth Lugo (6-8)	#134
Sun, May 3rd	@ SEA	Luis Castillo (4-11)	#98	vs KC	Kris Bubic (3-2)	#163
Mon, May 4th	vs CLE	Tanner Bibee (5-15)	#64	vs ATL	JR Ritchie (1-2)	#278
Tue, May 5th	vs CLE	Gavin Williams (13-7)	#20	vs ATL	Bryce Elder (8-8)	#144
Wed, May 6th	vs CLE	Joey Cantillo (9-9)	#72	vs ATL	Martin Perez (8-9)	#181
Thu, May 7th	vs CLE	Slade Cecconi (4-7)	#180
Fri, May 8th	vs DET	Keider Montero (9-8)	#116	@ CWS	Sean Burke (8-7)	#65
Sat, May 9th	vs DET	Burch Smith		@ CWS	Anthony Kay (9-8)	#147
Sun, May 10th	vs DET	Brenan Hanifee		@ CWS	Davis Martin (9-6)	#99
Tue, May 12th	@ CWS	Erick Fedde (8-8)	#399	@ HOU	Tatsuya Imai (6-4)	#118
Wed, May 13th	@ CWS	Noah Schultz (3-9)	#309	@ HOU	Lance McCullers Jr. (2-3)
Thu, May 14th	@ CWS	Anthony Kay (9-8)	#147	@ HOU	Mike Burrows (4-9)	#287
Fri, May 15th	@ STL	Dustin May (6-9)	#57	vs SD	Randy Vasquez (10-6)	#205
Sat, May 16th	@ STL	Kyle Leahy (10-4)	#90	vs SD	Walker Buehler (8-6)	#192
Sun, May 17th	@ STL	Andre Pallante (12-6)	#122	vs SD	Lucas Giolito (2-3)
Mon, May 18th	vs BOS	Sonny Gray (17-4)	#38	vs CWS	Noah Schultz (3-9)	#309
Tue, May 19th	vs BOS	Ranger Suarez (6-4)	#36	vs CWS	Anthony Kay (9-8)	#147
Wed, May 20th	vs BOS	Connelly Early (7-5)	#183	vs CWS	Sean Burke (8-7)	#65
Fri, May 22nd	vs SEA	Logan Gilbert (11-9)	#16	@ KC	Noah Cameron (9-8)	#91
Sat, May 23rd	vs SEA	George Kirby (9-11)	#24	@ KC	Stephen Kolek (4-3)
Sun, May 24th	vs SEA	Bryan Woo (11-9)	#14	@ KC	Seth Lugo (6-8)	#134
Mon, May 25th	vs NYY	Will Warren (9-6)	#80	@ ATH	Aaron Civale (6-7)	#174
Tue, May 26th	vs NYY	Cam Schlittler (13-6)	#18	@ ATH	Gage Jump (6-10)	#114
Wed, May 27th	vs NYY	Gerrit Cole (8-8)	#17	@ ATH	Jeffrey Springs (4-13)	#245
Fri, May 29th	@ TEX	MacKenzie Gore (8-10)	#48	vs ARI	Zac Gallen (3-9)	#138
Sat, May 30th	@ TEX	Kumar Rocker (5-11)	#119	vs ARI	Ryne Nelson (3-5)	#193
Sun, May 31st	@ TEX	Jack Leiter (3-7)	#189	vs ARI	Merrill Kelly (9-13)	#158
Mon, Jun 1st	@ CIN	Lyon Richardson		vs NYM	Austin Warren
Tue, Jun 2nd	@ CIN	Andrew Abbott (6-10)	#130	vs NYM	Huascar Brazoban (5-2)	#282
Wed, Jun 3rd	@ CIN	Chase Burns (15-3)	#34	vs NYM	Freddy Peralta (8-11)	#51
Thu, Jun 4th	@ MIN	Andrew Morris (4-7)	#170
Fri, Jun 5th	@ MIN	Zebby Matthews (9-9)	#92	@ DET	Framber Valdez (9-10)	#44
Sat, Jun 6th	@ MIN	Joe Ryan (6-9)	#29	@ DET	Keider Montero (9-8)	#116
Sun, Jun 7th	@ MIN	Connor Prielipp (4-7)	#73	@ DET	Jack Flaherty (3-8)	#97
Tue, Jun 9th	vs TEX	Nathan Eovaldi (10-9)	#162	@ BAL	Trevor Rogers (10-9)	#53
Wed, Jun 10th	vs TEX	MacKenzie Gore (8-10)	#48	@ BAL	Brandon Young (9-4)	#123
Thu, Jun 11th	vs TEX	Kumar Rocker (5-11)	#119	@ BAL	Kyle Bradish (7-13)	#54
Fri, Jun 12th	vs HOU	Tatsuya Imai (6-4)	#118	@ WSH	Zack Littell (8-8)	#317
Sat, Jun 13th	vs HOU	Mike Burrows (4-9)	#287	@ WSH	Cade Cavalli (12-5)	#37
Sun, Jun 14th	vs HOU	Spencer Arrighetti (7-9)	#150	@ WSH	PJ Poulin (3-0)
Mon, Jun 15th	@ WSH	Andrew Alvarez (2-6)	#124
Tue, Jun 16th	@ WSH	Foster Griffin (15-4)	#56	vs BAL	Brandon Young (9-4)	#123
Wed, Jun 17th	@ WSH	Zack Littell (8-8)	#317	vs BAL	Kyle Bradish (7-13)	#54
Thu, Jun 18th	vs STL	Matthew Liberatore (5-14)	#79	vs BAL	Shane Baz (5-15)	#75
Fri, Jun 19th	vs STL	Michael McGreevy (6-9)	#107	vs BOS	Ranger Suarez (6-4)	#36
Sun, Jun 21st	vs STL	Dustin May (6-9)	#57	vs BOS	Payton Tolle (9-6)	#31
Mon, Jun 22nd	@ TB	Drew Rasmussen (14-5)	#19
Tue, Jun 23rd	@ TB	Shane McClanahan (10-7)	#152	@ PIT	Mitch Keller (6-8)
Wed, Jun 24th	@ TB	Griffin Jax (6-10)	#30	@ PIT	Braxton Ashcraft (14-6)	#27
Thu, Jun 25th	@ TB	Casey Legumina (2-2)	#209	@ PIT	Bubba Chandler (7-9)	#117
Fri, Jun 26th	@ CWS	David Sandlin (2-1)	#362	@ CLE	Joey Cantillo (9-9)	#72
Sat, Jun 27th	@ CWS	Davis Martin (9-6)	#99	@ CLE	Slade Cecconi (4-7)	#180
Sun, Jun 28th	@ CWS	Anthony Kay (9-8)	#147	@ CLE	Gavin Williams (13-7)	#20
Tue, Jun 30th	vs TB	Griffin Jax (6-10)	#30	vs LAA	Jose Soriano (12-7)	#40
Wed, Jul 1st	vs TB	Shane McClanahan (10-7)	#152
Thu, Jul 2nd	vs TB	Ian Seymour (9-6)	#43	vs LAA	Walbert Urena (9-10)	#168
Sat, Jul 4th	vs PHI	Jesus Luzardo (14-5)	#8	vs TOR	Shane Bieber (5-2)	#198
Sun, Jul 5th	vs PHI	Aaron Nola (6-10)	#62	vs TOR	Trey Yesavage (5-5)	#214
Mon, Jul 6th	vs PHI	Cristopher Sanchez (16-5)	#4
Tue, Jul 7th	@ NYM	Cionel Perez		@ MIA	Max Meyer (9-1)
Wed, Jul 8th	@ NYM	Christian Scott (4-4)	#39	@ MIA	Tyler Phillips (5-6)	#184
Thu, Jul 9th	@ NYM	Sean Manaea (5-7)	#69	@ MIA	Janson Junk (6-9)	#100
Fri, Jul 10th	@ BAL	Brandon Young (9-4)	#123	@ TB	Nick Martinez (14-4)	#84
Sat, Jul 11th	@ BAL	Kyle Bradish (7-13)	#54	@ TB	Griffin Jax (6-10)	#30
Sun, Jul 12th	@ BAL	Shane Baz (5-15)	#75	@ TB	Ian Seymour (9-6)	#43
Fri, Jul 17th	vs SD	Michael King (10-9)	#58	vs SF	Landen Roupp (9-13)	#87
Sat, Jul 18th	vs SD	Griffin Canning (4-9)	#182	vs SF	Logan Webb (8-8)	#21
Sun, Jul 19th	vs SD	German Marquez (4-2)	#365	vs SF	Robbie Ray (11-8)	#106
Mon, Jul 20th	vs SF	Trevor McDonald (3-7)		vs CIN	Andrew Abbott (6-10)	#130
Tue, Jul 21st	vs SF	Tyler Mahle (5-10)	#70	vs CIN	Chase Burns (15-3)	#34
Wed, Jul 22nd	vs SF	Landen Roupp (9-13)	#87	vs CIN	Brady Singer (6-13)	#157
Thu, Jul 23rd	@ DET	Troy Melton (8-4)	#61
Fri, Jul 24th	@ DET	Tarik Skubal (9-7)	#2	@ TEX	MacKenzie Gore (8-10)	#48
Sat, Jul 25th	@ DET	Casey Mize (5-9)	#52	@ TEX	Nathan Eovaldi (10-9)	#162
Sun, Jul 26th	@ DET	Framber Valdez (9-10)	#44	@ TEX	Jacob deGrom (10-9)	#12
Tue, Jul 28th	@ MIN	Taj Bradley (11-6)	#41	@ LAD	Justin Wrobleski (11-5)	#103
Wed, Jul 29th	@ MIN	Joe Ryan (6-9)	#29	@ LAD	Eric Lauer (8-7)	#334
Thu, Jul 30th	@ MIN	Bailey Ober (7-5)	#88	@ LAD	Roki Sasaki (5-5)	#178
Fri, Jul 31st	@ COL	Tomoyuki Sugano (12-8)	#411	vs MIN	Zebby Matthews (9-9)	#92
Sat, Aug 1st	@ COL	Ryan Feltner (5-9)	#410	vs MIN	Connor Prielipp (4-7)	#73
Sun, Aug 2nd	@ COL	Kyle Freeland (4-10)	#381	vs MIN	Taj Bradley (11-6)	#41
Tue, Aug 4th	vs MIN	Joe Ryan (6-9)	#29	vs DET	Troy Melton (8-4)	#61
Wed, Aug 5th	vs MIN	Dean Kremer (3-5)	#82	vs DET	Drew Anderson (4-6)	#66
Thu, Aug 6th	vs MIN	Bailey Ober (7-5)	#88	vs DET	Framber Valdez (9-10)	#44
Fri, Aug 7th	vs CHC	Kevin Gausman (9-11)	#23	vs TB	Drew Rasmussen (14-5)	#19
Sat, Aug 8th	vs CHC	Clay Holmes (6-7)	#68	vs TB	Casey Legumina (2-2)	#209
Sun, Aug 9th	vs CHC	Matthew Boyd (8-4)	#59	vs TB	Ian Seymour (9-6)	#43
Mon, Aug 10th	@ LAD	Tarik Skubal (9-7)	#2
Tue, Aug 11th	@ LAD	Blake Snell (3-1)	#10	@ NYY	Ryan Weathers (5-8)	#177
Wed, Aug 12th	@ LAD	Eric Lauer (8-7)	#334	@ NYY	Will Warren (9-6)	#80
Fri, Aug 14th	@ LAA	Grayson Rodriguez (4-7)	#102	@ HOU	Peter Lambert (8-8)	#137
Sat, Aug 15th	@ LAA	Reid Detmers (5-8)	#22	@ HOU	Hayden Wesneski (5-1)	#86
Sun, Aug 16th	@ LAA	Ryan Johnson (3-8)	#169	@ HOU	Hunter Brown (5-3)	#28
Mon, Aug 17th	vs ATH	Mason Barnett (1-4)	#405
Tue, Aug 18th	vs ATH	Brady Basso (1-2)	#244	@ MIL	Kyle Harrison (10-4)	#63
Wed, Aug 19th	vs ATH	Jeffrey Springs (4-13)	#245	@ MIL	Dustin May (6-9)	#57
Thu, Aug 20th	vs ATH	Gage Jump (6-10)	#114	@ MIL	Robert Gasser (4-5)	#85
Fri, Aug 21st	vs DET	Troy Melton (8-4)	#61	vs CHC	Matthew Boyd (8-4)	#59
Sat, Aug 22nd	vs DET	Drew Anderson (4-6)	#66	vs CHC	David Peterson (7-8)	#109
Sun, Aug 23rd	vs DET	Jacob Waguespack		vs CHC	Shota Imanaga (9-10)	#33
Tue, Aug 25th	@ TOR	Max Scherzer (2-7)	#111	vs PHI	Aaron Nola (6-10)	#62
Wed, Aug 26th	@ TOR	Spencer Miles (6-2)	#143	vs PHI	Jesus Luzardo (14-5)	#8
Thu, Aug 27th	@ TOR	Spencer Arrighetti (7-9)	#150
Fri, Aug 28th	@ CLE	Tanner Bibee (5-15)	#64	@ TOR	Dylan Cease (10-5)	#6
Sat, Aug 29th	@ CLE	Foster Griffin (15-4)	#56	@ TOR	Jose Soriano (12-7)	#40
Sun, Aug 30th	@ CLE	Parker Messick (11-9)	#32	@ TOR	Max Scherzer (2-7)	#111
Tue, Sep 1st	vs MIA	Tyler Phillips (5-6)	#184	@ BOS	Jedixson Paez (0-1)	#316
Wed, Sep 2nd	vs MIA	Eury Perez (7-11)	#45	@ BOS	Patrick Sandoval (1-5)	#101
Thu, Sep 3rd	vs MIA	Sandy Alcantara (13-10)	#71	vs ATH	Jack Perkins (3-11)	#129
Fri, Sep 4th	vs TOR	Jameson Taillon (2-6)		vs ATH	Kade Morris (0-1)	#393
Sat, Sep 5th	vs TOR	Max Scherzer (2-7)	#111	vs ATH	Jeffrey Springs (4-13)	#245
Sun, Sep 6th	vs TOR	Spencer Arrighetti (7-9)	#150	vs ATH	Gage Jump (6-10)	#114
Mon, Sep 7th	vs ARI	Derek Law
Tue, Sep 8th	vs ARI	Corbin Burnes (0-0)	#67	vs TEX	Cal Quantrill (8-5)	#154
Wed, Sep 9th	vs ARI	Zac Gallen (3-9)	#138	vs TEX	Cody Bradford (0-4)	#94
Fri, Sep 11th	@ BOS	Ranger Suarez (6-4)	#36	@ ATH	Jeffrey Springs (4-13)	#245
Sat, Sep 12th	@ BOS	Sonny Gray (17-4)	#38	@ ATH	Gage Jump (6-10)	#114
Sun, Sep 13th	@ BOS	Payton Tolle (9-6)	#31	@ ATH	Jacob Lopez (6-4)	#139
Tue, Sep 15th	@ HOU	Hunter Brown (5-3)	#28	@ LAA	Ryan Johnson (3-8)	#169
Wed, Sep 16th	@ HOU	Cristian Javier (2-5)	#136	@ LAA	Yusei Kikuchi (1-5)	#81
Thu, Sep 17th	@ HOU	Ethan Pecko (1-0)	#142
Fri, Sep 18th	@ PIT			@ COL
Sat, Sep 19th	@ PIT			@ COL
Sun, Sep 20th	@ PIT			@ COL
Tue, Sep 22nd	vs CWS			vs HOU
Wed, Sep 23rd	vs CWS			vs HOU
Thu, Sep 24th	vs CWS			vs LAA
Fri, Sep 25th	vs CLE			vs LAA
Sat, Sep 26th	vs CLE			vs LAA
Sun, Sep 27th	vs CLE			vs LAA
Thu, Mar 26th				vs CLE	Tanner Bibee (5-15)	#64
Tue, Mar 31st				vs NYY	Max Fried (4-4)	#15
Fri, Apr 3rd				@ LAA	Reid Detmers (5-8)	#22
Mon, Apr 13th				vs HOU	Mike Burrows (4-9)	#287
Mon, Apr 27th				@ MIN	Connor Prielipp (4-7)	#73
Mon, May 11th				@ HOU	Peter Lambert (8-8)	#137
Mon, Jun 8th				@ BAL	Trey Gibson (1-3)	#336
Sat, Jun 20th				vs BOS	Connelly Early (7-5)	#183
Mon, Jun 29th				vs LAA	Ryan Johnson (3-8)	#169
Fri, Jul 3rd				vs TOR	Dylan Cease (10-5)	#6
Mon, Jul 27th				@ TEX	Kumar Rocker (5-11)	#119
Thu, Aug 13th				@ NYY	Max Fried (4-4)	#15
Mon, Aug 24th				vs PHI	Zack Wheeler (12-5)	#7
Mon, Aug 31st				@ BOS	Payton Tolle (9-6)	#31
Thu, Sep 10th				vs TEX	Jacob deGrom (10-9)	#12
Mon, Sep 14th				@ LAA	Reid Detmers (5-8)	#22