Isaac Mattson or Ryne Nelson

Baseball Stats Comparison

Stats
Projections
News & Notes
Schedule

Isaac Mattson or Ryne Nelson Player Statistics
	Ryne Nelson SP,RP - ARI	Isaac Mattson RP - PIT
2026 Stats


Games Played	19	38

Games Started	15	0

Innings Pitched	87.1	38.2

Wins	3	0

Losses	5	0

Saves	0	0

Blown Saves	0	2

Holds	0	8

Hits Allowed	86	44

Earned Runs	48	23

Home Runs Allowed	18	3

Strikeouts	66	36

Walks	24	18

ERA	4.95	5.35

WHIP	1.26	1.60

Isaac Mattson or Ryne Nelson Player Projections
	Ryne Nelson SP,RP - ARI	Isaac Mattson RP - PIT
2026 Projections


Games Played	32	57

Games Started	26	0

Innings Pitched	154.1	60.8

Wins	9	3

Losses	7	3

Saves	0	2

Blown Saves	0	1

Holds	0	14

Hits Allowed	150	55

Earned Runs	69	30

Home Runs Allowed	20	7

Strikeouts	127	59

Walks	42	28

ERA	4.02	4.44

WHIP	1.25	1.35

Isaac Mattson or Ryne Nelson Player Notes
	Ryne Nelson SP,RP - ARI	Isaac Mattson RP - PIT
News
	The Diamondbacks activated RHP Ryne Nelson from the 60-day injured list. Ari Koslow Wed, Sep 16th	The Pirates placed RHP Isaac Mattson on the 15-day injured list with hip inflammation. Ari Koslow Tue, Sep 8th
	Ryne Nelson made a rehab appearance on September 8. Ari Koslow Sun, Sep 13th	The Pirates recalled RHP Isaac Mattson from Triple-A Indianapolis. Ari Koslow Fri, Sep 4th
	Ryne Nelson made a rehab appearance on Saturday for Single-A Visalia. Ari Koslow Mon, Sep 7th	The Pirates optioned Isaac Mattson to Triple-A Indianapolis. Ari Koslow Tue, Aug 18th
	Diamondbacks manager Torey Lovullo said that Ryne Nelson will “most likely return in a bullpen role.” Ari Koslow Wed, Sep 2nd	The Pirates recalled RHP Isaac Mattson from Triple-A Indianapolis. Ari Koslow Thu, Aug 13th
	Ryne Nelson faced hitters in a 21-pitch simulated game on Tuesday. Ari Koslow Tue, Sep 1st	The Pirates optioned RHP Isaac Mattson to Triple-A Indianapolis. Ari Koslow Sun, Aug 2nd
Notes
There are no recent notes for these players

Isaac Mattson or Ryne Nelson Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	Ryne Nelson SP,RP - ARI			Isaac Mattson RP - PIT
Thu, Mar 26th	@ LAD	Yoshinobu Yamamoto (14-9)	#4	@ NYM	Freddy Peralta (10-11)	#51
Sat, Mar 28th	@ LAD	Tyler Glasnow (5-2)	#10	@ NYM	David Peterson (9-8)	#61
Sun, Mar 29th				@ NYM	Nolan McLean (12-10)	#28
Mon, Mar 30th	vs DET	Justin Verlander (0-1)	#129	@ CIN	Chase Burns (15-3)
Tue, Mar 31st	vs DET	Casey Mize (6-10)	#47	@ CIN	Brandon Williamson (5-5)	#241
Wed, Apr 1st	vs DET	Tarik Skubal (12-7)	#2	@ CIN	Andrew Abbott (6-11)	#149
Fri, Apr 3rd	vs ATL	Grant Holmes (10-6)	#193	vs BAL	Kyle Bradish (7-14)
Sat, Apr 4th	vs ATL	Bryce Elder (8-8)		vs BAL	Shane Baz (6-15)	#85
Sun, Apr 5th	vs ATL	Martin Perez (9-9)	#82	vs BAL	Chris Bassitt (9-5)	#175
Mon, Apr 6th				vs SD	German Marquez (4-2)
Tue, Apr 7th	@ NYM	Freddy Peralta (10-11)	#51	vs SD	Nick Pivetta (3-2)	#17
Wed, Apr 8th	@ NYM	David Peterson (9-8)	#61	vs SD	Michael King (12-10)	#55
Fri, Apr 10th	@ PHI	Jesus Luzardo (14-5)		@ CHC	Shota Imanaga (11-10)	#49
Sat, Apr 11th	@ PHI	Taijuan Walker (1-4)		@ CHC	Edward Cabrera (5-5)	#126
Sun, Apr 12th	@ PHI	Zach Pop		@ CHC	Jameson Taillon (2-6)
Mon, Apr 13th	@ BAL	Dean Kremer (5-5)	#81	vs WSH	Cade Cavalli (13-5)	#34
Tue, Apr 14th	@ BAL	Trevor Rogers (10-11)	#42	vs WSH	PJ Poulin (3-0)
Wed, Apr 15th	@ BAL	Kyle Bradish (7-14)		vs WSH	Jake Irvin (2-10)	#213
Thu, Apr 16th				vs WSH	Foster Griffin (15-6)	#54
Fri, Apr 17th	vs TOR	Braydon Fisher (3-4)	#158	vs TB	Nick Martinez (15-6)	#208
Sat, Apr 18th	vs TOR	Max Scherzer (4-9)	#127	vs TB	Drew Rasmussen (16-5)	#26
Sun, Apr 19th	vs TOR	Kevin Gausman (9-12)	#36	vs TB	Shane McClanahan (10-7)
Tue, Apr 21st	vs CWS	Sean Burke (11-7)	#58	@ TEX	Kumar Rocker (6-11)	#84
Wed, Apr 22nd	vs CWS	Anthony Kay (10-9)	#121	@ TEX	Jack Leiter (3-7)
Thu, Apr 23rd	vs CWS	Davis Martin (9-8)	#73	@ TEX	Jacob deGrom (11-11)	#12
Fri, Apr 24th				@ MIL	Brandon Woodruff (2-2)
Sat, Apr 25th	vs SD	German Marquez (4-2)		@ MIL	Jacob Misiorowski (16-5)	#7
Sun, Apr 26th	vs SD	Michael King (12-10)	#55	@ MIL	Kyle Harrison (11-5)	#62
Mon, Apr 27th				vs STL	Dustin May (7-9)	#35
Tue, Apr 28th	@ MIL	Chad Patrick (9-4)	#161	vs STL	Kyle Leahy (10-5)	#79
Wed, Apr 29th	@ MIL	Brandon Sproat (3-7)		vs STL	Andre Pallante (12-9)	#87
Thu, Apr 30th	@ MIL	Brandon Woodruff (2-2)		vs STL	Hunter Dobbins (3-3)
Fri, May 1st	@ CHC	Colin Rea (8-8)	#262	vs CIN	Brady Singer (6-15)	#221
Sat, May 2nd	@ CHC	Shota Imanaga (11-10)	#49	vs CIN	Rhett Lowder (7-12)	#200
Sun, May 3rd	@ CHC	Matthew Boyd (10-5)	#78	vs CIN	Chase Burns (15-3)
Tue, May 5th	vs PIT	Bubba Chandler (8-10)	#59	@ ARI	Eduardo Rodriguez (16-7)	#191
Wed, May 6th	vs PIT	Paul Skenes (10-11)	#14	@ ARI	Michael Soroka (9-5)	#48
Thu, May 7th	vs PIT	Mitch Keller (6-8)		@ ARI	Zac Gallen (3-9)	#216
Fri, May 8th	vs NYM	Nolan McLean (12-10)	#28	@ SF	Robbie Ray (13-8)	#198
Sat, May 9th	vs NYM	Clay Holmes (6-8)	#83	@ SF	Landen Roupp (9-14)
Sun, May 10th	vs NYM	Huascar Brazoban (6-2)	#229	@ SF	Tyler Mahle (7-10)	#71
Tue, May 12th	@ TEX	MacKenzie Gore (8-11)	#39	vs COL	Michael Lorenzen (3-13)
Wed, May 13th	@ TEX	Kumar Rocker (6-11)	#84	vs COL	Jose Quintana (2-3)	#281
Thu, May 14th				vs COL	Chase Dollander (3-3)
Fri, May 15th	@ COL	Kyle Freeland (4-12)	#187	vs PHI	Aaron Nola (7-12)	#68
Sat, May 16th	@ COL	Tomoyuki Sugano (12-12)	#263	vs PHI	Cristopher Sanchez (18-7)	#6
Sun, May 17th	@ COL	Michael Lorenzen (3-13)		vs PHI	Zack Wheeler (14-5)	#5
Tue, May 19th	vs SF	Landen Roupp (9-14)		@ STL	Matthew Liberatore (6-14)	#95
Wed, May 20th	vs SF	Tyler Mahle (7-10)	#71	@ STL	Michael McGreevy (7-9)	#109
Thu, May 21st	vs COL	Zach Agnos (0-2)	#279	@ STL	Dustin May (7-9)	#35
Fri, May 22nd	vs COL	Tomoyuki Sugano (12-12)	#263	@ TOR	Kevin Gausman (9-12)	#36
Sat, May 23rd	vs COL	Michael Lorenzen (3-13)		@ TOR	Patrick Corbin (3-4)
Sun, May 24th	vs COL	Jose Quintana (2-3)	#281	@ TOR	Dylan Cease (11-6)
Mon, May 25th	@ SF	Landen Roupp (9-14)		vs CHC	Ben Brown (4-2)
Tue, May 26th	@ SF	Tyler Mahle (7-10)	#71	vs CHC	Jordan Wicks (0-2)
Wed, May 27th	@ SF	Trevor McDonald (3-7)		vs CHC	Jameson Taillon (2-6)
Thu, May 28th				vs CHC	Colin Rea (8-8)	#262
Fri, May 29th	@ SEA	George Kirby (9-11)	#33	vs MIN	Taj Bradley (12-6)	#44
Sat, May 30th	@ SEA	Bryan Woo (12-10)	#13	vs MIN	Bailey Ober (7-7)	#155
Sun, May 31st	@ SEA	Bryce Miller (4-10)	#31	vs MIN	Zebby Matthews (9-11)	#134
Tue, Jun 2nd	vs LAD	Eric Lauer (8-7)		@ HOU	Mike Burrows (4-9)
Wed, Jun 3rd	vs LAD	Shohei Ohtani (8-2)	#1	@ HOU	Spencer Arrighetti (9-9)	#181
Thu, Jun 4th	vs LAD	Justin Wrobleski (12-5)	#50	@ HOU	Kai-Wei Teng (5-7)	#220
Fri, Jun 5th	vs WSH	Foster Griffin (15-6)	#54	@ ATL	Martin Perez (9-9)	#82
Sat, Jun 6th	vs WSH	Zack Littell (8-8)		@ ATL	Spencer Strider (4-2)
Sun, Jun 7th	vs WSH	Cade Cavalli (13-5)	#34	@ ATL	Bryce Elder (8-8)
Tue, Jun 9th	@ MIA	Max Meyer (9-1)		vs LAD	Eric Lauer (8-7)
Wed, Jun 10th	@ MIA	Ryan Gusto (1-5)	#142	vs LAD	Shohei Ohtani (8-2)	#1
Thu, Jun 11th	@ MIA	Tyler Phillips (5-6)	#247	vs LAD	Justin Wrobleski (12-5)	#50
Fri, Jun 12th	@ CIN	Nick Lodolo (3-6)	#169	vs MIA	Sandy Alcantara (13-11)	#77
Sat, Jun 13th	@ CIN	Rhett Lowder (7-12)	#200	vs MIA	Lake Bachar (2-4)	#156
Sun, Jun 14th	@ CIN	Andrew Abbott (6-11)	#149	vs MIA	Max Meyer (9-1)
Mon, Jun 15th	vs LAA	Walbert Urena (9-11)	#40	@ ATH	J.T. Ginn (9-8)
Tue, Jun 16th	vs LAA	Reid Detmers (7-8)	#16	@ ATH	Jack Perkins (3-13)	#171
Wed, Jun 17th	vs LAA	Sam Aldegheri (3-4)	#239	@ ATH	Aaron Civale (6-8)	#219
Fri, Jun 19th	vs MIN	Connor Prielipp (6-7)	#110	@ COL	Kyle Freeland (4-12)	#187
Sat, Jun 20th	vs MIN	Taj Bradley (12-6)	#44	@ COL	Tomoyuki Sugano (12-12)	#263
Sun, Jun 21st	vs MIN	Mike Paredes (0-3)		@ COL	Michael Lorenzen (3-13)
Tue, Jun 23rd	@ STL	Kyle Leahy (10-5)	#79	vs SEA	George Kirby (9-11)	#33
Wed, Jun 24th	@ STL	Matthew Liberatore (6-14)	#95	vs SEA	Bryan Woo (12-10)	#13
Thu, Jun 25th				vs SEA	Bryce Miller (4-10)	#31
Fri, Jun 26th	@ TB	Nick Martinez (15-6)	#208	vs CIN	Andrew Abbott (6-11)	#149
Sat, Jun 27th	@ TB	Cole Sulser		vs CIN	Chase Burns (15-3)
Sun, Jun 28th	@ TB	Drew Rasmussen (16-5)	#26	vs CIN	Brady Singer (6-15)	#221
Mon, Jun 29th	vs SF	Tyler Mahle (7-10)	#71	@ PHI	Aaron Nola (7-12)	#68
Tue, Jun 30th	vs SF	Landen Roupp (9-14)		@ PHI	Cristopher Sanchez (18-7)	#6
Wed, Jul 1st	vs SF	Trevor McDonald (3-7)		@ PHI	Zack Wheeler (14-5)	#5
Thu, Jul 2nd				@ PHI	Alan Rangel (0-3)
Fri, Jul 3rd	vs MIL	Kyle Harrison (11-5)	#62	@ WSH	Foster Griffin (15-6)	#54
Sat, Jul 4th	vs MIL	Brandon Woodruff (2-2)		@ WSH	Carson Palmquist (0-2)
Sun, Jul 5th	vs MIL	Brandon Sproat (3-7)		@ WSH	Cade Cavalli (13-5)	#34
Tue, Jul 7th	@ SD	German Marquez (4-2)		vs ATL	Hurston Waldrep (0-1)
Wed, Jul 8th	@ SD	Michael King (12-10)	#55	vs ATL	Grant Holmes (10-6)	#193
Thu, Jul 9th	@ SD	Griffin Canning (5-9)		vs ATL	Bryce Elder (8-8)
Sat, Jul 11th	@ LAD	Yoshinobu Yamamoto (14-9)	#4	vs MIL	Shane Drohan (7-5)	#128
Sun, Jul 12th	@ LAD	Emmet Sheehan (5-8)	#65	vs MIL	Robert Gasser (5-5)	#43
Sat, Jul 18th	vs STL	Dustin May (7-9)	#35	@ CLE	Logan Allen (0-0)	#206
Sun, Jul 19th	vs STL	Andre Pallante (12-9)	#87	@ CLE	Joey Cantillo (11-9)	#63
Mon, Jul 20th	vs ATH	Jeffrey Springs (4-14)	#267	@ NYY	Ryan Weathers (5-8)
Wed, Jul 22nd	vs ATH	Gage Jump (6-11)		@ NYY	Max Fried (5-5)	#21
Fri, Jul 24th	@ WSH	Carson Palmquist (0-2)		vs CHC	Matthew Boyd (10-5)	#78
Sat, Jul 25th	@ WSH	Foster Griffin (15-6)	#54	vs CHC	Shota Imanaga (11-10)	#49
Sun, Jul 26th	@ WSH	Miles Mikolas (3-9)		vs CHC	Jameson Taillon (2-6)
Mon, Jul 27th	@ PIT	Mitch Keller (6-8)		vs ARI	Merrill Kelly (10-14)	#146
Tue, Jul 28th	@ PIT	Bubba Chandler (8-10)	#59	vs ARI	Brandon Pfaadt (8-3)	#130
Wed, Jul 29th	@ PIT	Jared Jones (5-6)	#27	vs ARI	Eduardo Rodriguez (16-7)	#191
Thu, Jul 30th				@ CIN	Rhett Lowder (7-12)	#200
Fri, Jul 31st	@ CLE	Tanner Bibee (7-15)	#80	@ CIN	Hunter Greene (2-2)
Sat, Aug 1st	@ CLE	Parker Messick (12-9)	#29	@ CIN	Andrew Abbott (6-11)	#149
Sun, Aug 2nd	@ CLE	Gavin Williams (14-8)	#20	@ CIN	Chase Burns (15-3)
Mon, Aug 3rd	vs SD	Michael King (12-10)	#55	@ MIL	Brandon Sproat (3-7)
Tue, Aug 4th	vs SD	Randy Vasquez (10-6)	#245	@ MIL	Logan Henderson (11-3)	#11
Wed, Aug 5th	vs SD	Casey Mize (6-10)	#47	@ MIL	Kyle Harrison (11-5)	#62
Thu, Aug 6th	vs SD	Walker Buehler (9-6)	#90	@ MIL	Dustin May (7-9)	#35
Fri, Aug 7th	vs LAD	Roki Sasaki (5-5)	#102	vs NYM	Zac Thornton (5-6)	#122
Sat, Aug 8th	vs LAD	Yoshinobu Yamamoto (14-9)	#4	vs NYM	Robert Stock (1-3)
Sun, Aug 9th	vs LAD	Justin Wrobleski (12-5)	#50	vs NYM	Sean Manaea (6-8)	#46
Tue, Aug 11th	vs COL	Tomoyuki Sugano (12-12)	#263	@ MIA	Eury Perez (8-11)	#22
Wed, Aug 12th	vs COL	Ryan Feltner (7-10)	#230	@ MIA	Janson Junk (6-9)	#138
Thu, Aug 13th				@ MIA	Tyler Phillips (5-6)	#247
Fri, Aug 14th	@ ATL	Chris Sale (14-9)	#3	vs BOS	Jake Bennett (9-7)	#210
Sat, Aug 15th	@ ATL	Grant Holmes (10-6)	#193	vs BOS	Sonny Gray (18-5)	#45
Sun, Aug 16th	@ ATL	Bryce Elder (8-8)		vs BOS	Patrick Sandoval (1-7)	#92
Mon, Aug 17th	@ BOS	Alec Gamboa (1-0)	#226	vs DET	Framber Valdez (10-12)	#53
Tue, Aug 18th	@ BOS	Ranger Suarez (8-5)	#70	vs DET	Keider Montero (10-9)	#188
Wed, Aug 19th	@ BOS	Payton Tolle (9-6)	#30	vs DET	Jackson Jobe (3-3)	#115
Fri, Aug 21st	vs CIN	Nick Lodolo (3-6)	#169	@ LAD	Yoshinobu Yamamoto (14-9)	#4
Sat, Aug 22nd	vs CIN	Rhett Lowder (7-12)	#200	@ LAD	Tarik Skubal (12-7)	#2
Sun, Aug 23rd	vs CIN	Andrew Abbott (6-11)	#149	@ LAD	Blake Snell (4-1)	#15
Mon, Aug 24th	vs CHC	Kevin Gausman (9-12)	#36	@ SD	Robbie Ray (13-8)	#198
Tue, Aug 25th	vs CHC	Clay Holmes (6-8)	#83	@ SD	Michael King (12-10)	#55
Wed, Aug 26th	vs CHC	Matthew Boyd (10-5)	#78	@ SD	Randy Vasquez (10-6)	#245
Fri, Aug 28th	@ SF	Blade Tidwell (1-2)		@ STL	Quinn Mathews (2-4)	#101
Sat, Aug 29th	@ SF	Yunior Marte (0-2)	#276	@ STL	Kyle Leahy (10-5)	#79
Sun, Aug 30th				@ STL	Matthew Liberatore (6-14)	#95
Tue, Sep 1st	vs PHI	Jesus Luzardo (14-5)		vs SF	Logan Webb (8-9)
Wed, Sep 2nd	vs PHI	Andrew Painter (3-10)	#125	vs SF	Landen Roupp (9-14)
Thu, Sep 3rd				vs SF	Blade Tidwell (1-2)
Fri, Sep 4th	@ HOU	Cristian Javier (2-6)		vs LAA	Ryan Johnson (5-9)	#170
Sat, Sep 5th	@ HOU	Ethan Pecko (2-0)	#148	vs LAA	Yusei Kikuchi (1-7)	#57
Sun, Sep 6th	@ HOU	Peter Lambert (8-10)	#185	vs LAA	Walbert Urena (9-11)	#40
Tue, Sep 8th	@ KC	Michael Wacha (9-10)	#99	@ CWS	Sean Burke (11-7)	#58
Wed, Sep 9th	@ KC	Daniel Lynch (6-6)	#256	@ CWS	Davis Martin (9-8)	#73
Thu, Sep 10th				@ CWS	Hagen Smith (3-3)	#120
Fri, Sep 11th	vs TEX	MacKenzie Gore (8-11)	#39	@ CHC	Shota Imanaga (11-10)	#49
Sat, Sep 12th	vs TEX	Kumar Rocker (6-11)	#84	@ CHC	Clay Holmes (6-8)	#83
Sun, Sep 13th	vs TEX	Cal Quantrill (9-5)		@ CHC	Matthew Boyd (10-5)	#78
Tue, Sep 15th	vs MIA	Janson Junk (6-9)	#138	vs MIL	Jacob Misiorowski (16-5)	#7
Wed, Sep 16th	vs MIA	Ryan Gusto (1-5)	#142	vs MIL	Logan Henderson (11-3)	#11
Thu, Sep 17th				vs MIL	Kyle Harrison (11-5)	#62
Fri, Sep 18th	vs NYY	Gerrit Cole (10-9)	#18	vs KC	Randy Dobnak (3-5)	#254
Sat, Sep 19th	vs NYY	Cam Schlittler (14-6)	#9	vs KC	Noah Cameron (9-8)	#91
Sun, Sep 20th	vs NYY	Will Warren (11-6)	#69	vs KC	Michael Wacha (9-10)	#99
Tue, Sep 22nd	@ COL	Kyle Freeland (4-12)	#187	vs STL	Andre Pallante (12-9)	#87
Wed, Sep 23rd	@ COL	Mason Adams (0-2)	#166	vs STL	Matthew Liberatore (6-14)	#95
Thu, Sep 24th	@ COL	Tanner Gordon (1-6)	#222	vs STL	Kyle Leahy (10-5)	#79
Fri, Sep 25th	@ SD	Casey Mize (6-10)	#47	@ DET	Jackson Jobe (3-3)	#115
Sat, Sep 26th	@ SD	Walker Buehler (9-6)	#90	@ DET	Justin Verlander (0-1)	#129
Sun, Sep 27th	@ SD	Randy Vasquez (10-6)	#245	@ DET	River Ryan (0-1)	#75
Fri, Mar 27th	@ LAD	Emmet Sheehan (5-8)	#65
Thu, Apr 2nd	vs ATL	Reynaldo Lopez (4-5)
Thu, Apr 9th	@ NYM	Nolan McLean (12-10)	#28
Mon, May 11th	@ TEX	Jakob Junis
Mon, May 18th	vs SF	Robbie Ray (13-8)	#198
Mon, Jun 1st	vs LAD	Emmet Sheehan (5-8)	#65
Mon, Jun 22nd	@ STL	Andre Pallante (12-9)	#87
Mon, Jul 6th	@ SD	Walker Buehler (9-6)	#90
Fri, Jul 10th	@ LAD	Kyle Hurt
Fri, Jul 17th	vs STL	Michael McGreevy (7-9)	#109
Tue, Jul 21st	vs ATH	Jack Perkins (3-13)	#171
Thu, Jul 23rd	@ STL	Michael McGreevy (7-9)	#109
Mon, Aug 10th	vs COL	Gabriel Hughes (0-8)
Thu, Aug 27th	@ SF	Landen Roupp (9-14)
Mon, Aug 31st	vs PHI	Aaron Nola (7-12)	#68
Mon, Sep 7th	@ KC	Noah Cameron (9-8)	#91
Mon, Sep 14th	vs MIA	Sandy Alcantara (13-11)	#77