Isaac Mattson or Ryan Walker

Baseball Stats Comparison

Stats
Projections
News & Notes
Schedule

Isaac Mattson or Ryan Walker Player Statistics
	Ryan Walker RP - SF	Isaac Mattson RP - PIT
2026 Stats


Games Played	33	38

Games Started	0	0

Innings Pitched	32.2	38.2

Wins	0	0

Losses	1	0

Saves	3	0

Blown Saves	3	2

Holds	5	8

Hits Allowed	40	44

Earned Runs	26	23

Home Runs Allowed	5	3

Strikeouts	23	36

Walks	19	18

ERA	7.16	5.35

WHIP	1.81	1.60

Isaac Mattson or Ryan Walker Player Projections
	Ryan Walker RP - SF	Isaac Mattson RP - PIT
2026 Projections


Games Played	63	57

Games Started	0	0

Innings Pitched	61.9	60.8

Wins	4	3

Losses	3	3

Saves	26	2

Blown Saves	3	1

Holds	4	14

Hits Allowed	54	55

Earned Runs	24	30

Home Runs Allowed	6	7

Strikeouts	67	59

Walks	19	28

ERA	3.54	4.44

WHIP	1.18	1.35

Isaac Mattson or Ryan Walker Player Notes
	Ryan Walker RP - SF	Isaac Mattson RP - PIT
News
	The Giants optioned RHP Ryan Walker to Triple-A Sacramento. Ari Koslow Sat, Sep 5th	The Pirates placed RHP Isaac Mattson on the 15-day injured list with hip inflammation. Ari Koslow Tue, Sep 8th
	The Giants recalled RHP Ryan Walker from Triple-A Sacramento. Ari Koslow Mon, Aug 24th	The Pirates recalled RHP Isaac Mattson from Triple-A Indianapolis. Ari Koslow Fri, Sep 4th
	The Giants optioned RHP Ryan Walker to Triple-A Sacramento. Ari Koslow Thu, Jul 9th	The Pirates optioned Isaac Mattson to Triple-A Indianapolis. Ari Koslow Tue, Aug 18th
	The Giants recalled RHP Ryan Walker from Triple-A Sacramento. Ari Koslow Fri, Jun 12th	The Pirates recalled RHP Isaac Mattson from Triple-A Indianapolis. Ari Koslow Thu, Aug 13th
	The Giants optioned RHP Ryan Walker to Triple-A Sacramento. Ari Koslow Sun, May 10th	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 Ryan Walker Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	Ryan Walker RP - SF			Isaac Mattson RP - PIT
Thu, Mar 26th				@ NYM	Freddy Peralta (9-11)	#52
Sat, Mar 28th	vs NYY	Will Warren (10-6)	#74	@ NYM	David Peterson (7-8)	#101
Sun, Mar 29th				@ NYM	Nolan McLean (11-9)	#33
Mon, Mar 30th	@ SD	Walker Buehler (8-6)	#167	@ CIN	Chase Burns (15-3)	#31
Tue, Mar 31st	@ SD	German Marquez (4-2)	#369	@ CIN	Brandon Williamson (4-4)	#399
Wed, Apr 1st	@ SD	Nick Pivetta (2-2)	#32	@ CIN	Andrew Abbott (6-11)	#128
Fri, Apr 3rd	vs NYM	Nolan McLean (11-9)	#33	vs BAL	Kyle Bradish (7-14)	#61
Sat, Apr 4th	vs NYM	Clay Holmes (6-7)	#63	vs BAL	Shane Baz (6-15)	#69
Sun, Apr 5th	vs NYM	Kodai Senga (0-9)	#107	vs BAL	Chris Bassitt (7-5)	#143
Mon, Apr 6th	vs PHI	Andrew Painter (3-9)	#132	vs SD	German Marquez (4-2)	#369
Tue, Apr 7th	vs PHI	Cristopher Sanchez (17-5)	#5	vs SD	Nick Pivetta (2-2)	#32
Wed, Apr 8th	vs PHI	Aaron Nola (6-10)	#50	vs SD	Michael King (11-9)	#60
Fri, Apr 10th	@ BAL	Shane Baz (6-15)	#69	@ CHC	Shota Imanaga (10-10)	#30
Sat, Apr 11th	@ BAL	Chris Bassitt (7-5)	#143	@ CHC	Edward Cabrera (5-5)	#258
Sun, Apr 12th	@ BAL	Cade Povich (2-1)	#245	@ CHC	Jameson Taillon (2-6)
Mon, Apr 13th				vs WSH	Cade Cavalli (12-5)	#36
Tue, Apr 14th	@ CIN	Brady Singer (6-14)	#155	vs WSH	PJ Poulin (3-0)
Wed, Apr 15th	@ CIN	Rhett Lowder (6-10)	#227	vs WSH	Jake Irvin (2-9)	#149
Thu, Apr 16th	@ CIN	Chase Burns (15-3)	#31	vs WSH	Foster Griffin (15-5)	#57
Fri, Apr 17th	@ WSH	Zack Littell (8-8)	#324	vs TB	Nick Martinez (14-4)	#90
Sat, Apr 18th	@ WSH	Cade Cavalli (12-5)	#36	vs TB	Drew Rasmussen (14-5)	#14
Sun, Apr 19th	@ WSH	PJ Poulin (3-0)		vs TB	Shane McClanahan (10-7)	#152
Tue, Apr 21st	vs LAD	Yoshinobu Yamamoto (13-8)	#8	@ TEX	Kumar Rocker (5-11)	#117
Wed, Apr 22nd	vs LAD	Shohei Ohtani (8-2)	#16	@ TEX	Jack Leiter (3-7)	#230
Thu, Apr 23rd	vs LAD	Tyler Glasnow (4-1)	#12	@ TEX	Jacob deGrom (10-9)	#3
Fri, Apr 24th	vs MIA	Sandy Alcantara (13-10)	#88	@ MIL	Brandon Woodruff (2-2)
Sat, Apr 25th	vs MIA	Eury Perez (7-11)	#45	@ MIL	Jacob Misiorowski (14-5)	#7
Sun, Apr 26th	vs MIA	Max Meyer (9-1)		@ MIL	Kyle Harrison (10-4)	#62
Mon, Apr 27th				vs STL	Dustin May (7-9)	#51
Tue, Apr 28th	@ PHI	Jesus Luzardo (14-5)	#18	vs STL	Kyle Leahy (10-4)	#71
Wed, Apr 29th				vs STL	Andre Pallante (12-6)	#92
Thu, Apr 30th	@ PHI	Tim Mayza (3-3)	#172	vs STL	Hunter Dobbins (3-3)
Fri, May 1st	@ TB	Shane McClanahan (10-7)	#152	vs CIN	Brady Singer (6-14)	#155
Sat, May 2nd	@ TB	Griffin Jax (7-10)	#29	vs CIN	Rhett Lowder (6-10)	#227
Sun, May 3rd	@ TB	Steven Matz (5-5)	#198	vs CIN	Chase Burns (15-3)	#31
Tue, May 5th	vs SD	Walker Buehler (8-6)	#167	@ ARI	Eduardo Rodriguez (15-6)	#114
Wed, May 6th	vs SD	Bradgley Rodriguez (3-3)	#124	@ ARI	Michael Soroka (8-5)	#78
Thu, May 7th				@ ARI	Zac Gallen (3-9)	#118
Fri, May 8th	vs PIT	Carmen Mlodzinski (7-6)	#98	@ SF	Robbie Ray (12-8)	#105
Sat, May 9th	vs PIT	Braxton Ashcraft (14-6)		@ SF	Landen Roupp (9-13)	#100
Sun, May 10th	vs PIT	Bubba Chandler (8-9)	#109	@ SF	Tyler Mahle (6-10)	#58
Tue, May 12th	@ LAD	Yoshinobu Yamamoto (13-8)	#8	vs COL	Michael Lorenzen (3-12)	#119
Wed, May 13th	@ LAD	Shohei Ohtani (8-2)	#16	vs COL	Jose Quintana (2-3)	#401
Thu, May 14th	@ LAD	Emmet Sheehan (5-8)	#56	vs COL	Chase Dollander (3-3)
Fri, May 15th	@ ATH	Aaron Civale (6-7)	#205	vs PHI	Aaron Nola (6-10)	#50
Sat, May 16th	@ ATH	Luis Severino (2-6)		vs PHI	Cristopher Sanchez (17-5)	#5
Sun, May 17th	@ ATH	Jeffrey Springs (4-13)	#203	vs PHI	Zack Wheeler (12-5)	#9
Tue, May 19th	@ ARI	Ryne Nelson (3-5)	#185	@ STL	Matthew Liberatore (5-14)	#83
Wed, May 20th	@ ARI	Merrill Kelly (9-13)	#131	@ STL	Michael McGreevy (7-9)	#110
Thu, May 21st				@ STL	Dustin May (7-9)	#51
Fri, May 22nd	vs CWS	Davis Martin (9-7)	#96	@ TOR	Kevin Gausman (9-12)	#26
Sat, May 23rd	vs CWS	Bryan Hudson (4-4)	#145	@ TOR	Patrick Corbin (3-4)
Sun, May 24th	vs CWS	Noah Schultz (3-9)	#376	@ TOR	Dylan Cease (11-5)	#4
Mon, May 25th	vs ARI	Merrill Kelly (9-13)	#131	vs CHC	Ben Brown (4-2)
Tue, May 26th	vs ARI	Eduardo Rodriguez (15-6)	#114	vs CHC	Jordan Wicks (0-2)	#287
Wed, May 27th	vs ARI	Michael Soroka (8-5)	#78	vs CHC	Jameson Taillon (2-6)
Thu, May 28th				vs CHC	Colin Rea (8-8)	#174
Fri, May 29th	@ COL	Michael Lorenzen (3-12)	#119	vs MIN	Taj Bradley (11-6)	#40
Sat, May 30th	@ COL	Ryan Feltner (5-10)	#400	vs MIN	Bailey Ober (7-5)	#87
Sun, May 31st	@ COL	Tanner Gordon (1-4)	#225	vs MIN	Zebby Matthews (9-10)	#85
Tue, Jun 2nd	@ MIL	Kyle Harrison (10-4)	#62	@ HOU	Mike Burrows (4-9)	#229
Wed, Jun 3rd	@ MIL	Robert Gasser (4-5)	#93	@ HOU	Spencer Arrighetti (8-9)	#140
Thu, Jun 4th	@ MIL	Coleman Crow (0-1)	#232	@ HOU	Kai-Wei Teng (5-7)	#309
Fri, Jun 5th	@ CHC	Edward Cabrera (5-5)	#258	@ ATL	Martin Perez (8-9)	#154
Sat, Jun 6th	@ CHC	Ben Brown (4-2)		@ ATL	Spencer Strider (4-2)
Sun, Jun 7th	@ CHC	Jameson Taillon (2-6)		@ ATL	Bryce Elder (8-8)
Tue, Jun 9th	vs WSH	Andrew Alvarez (2-6)	#121	vs LAD	Eric Lauer (8-7)	#314
Wed, Jun 10th	vs WSH	Foster Griffin (15-5)	#57	vs LAD	Shohei Ohtani (8-2)	#16
Thu, Jun 11th				vs LAD	Justin Wrobleski (11-5)	#164
Fri, Jun 12th	vs CHC	Javier Assad (6-1)	#246	vs MIA	Sandy Alcantara (13-10)	#88
Sat, Jun 13th	vs CHC	Ben Brown (4-2)		vs MIA	Lake Bachar (1-3)	#181
Sun, Jun 14th	vs CHC	Ryan Rolison		vs MIA	Max Meyer (9-1)
Mon, Jun 15th				@ ATH	J.T. Ginn (9-8)
Tue, Jun 16th				@ ATH	Jack Perkins (3-11)	#135
Wed, Jun 17th	@ ATL	JR Ritchie (1-2)	#310	@ ATH	Aaron Civale (6-7)	#205
Fri, Jun 19th	@ MIA	Lake Bachar (1-3)	#181	@ COL	Kyle Freeland (4-10)	#392
Sat, Jun 20th	@ MIA	Max Meyer (9-1)		@ COL	Tomoyuki Sugano (12-9)	#402
Sun, Jun 21st	@ MIA	Ryan Gusto (1-5)	#141	@ COL	Michael Lorenzen (3-12)	#119
Tue, Jun 23rd	vs ATH	Aaron Civale (6-7)	#205	vs SEA	George Kirby (9-11)	#28
Wed, Jun 24th	vs ATH	Gage Jump (6-11)	#102	vs SEA	Bryan Woo (12-9)	#11
Thu, Jun 25th	vs ATH	Jeffrey Springs (4-13)	#203	vs SEA	Bryce Miller (4-9)	#44
Fri, Jun 26th	vs ATL	Reynaldo Lopez (4-4)	#76	vs CIN	Andrew Abbott (6-11)	#128
Sat, Jun 27th	vs ATL	Bryce Elder (8-8)		vs CIN	Chase Burns (15-3)	#31
Sun, Jun 28th	vs ATL	Chris Sale (14-9)	#2	vs CIN	Brady Singer (6-14)	#155
Mon, Jun 29th	@ ARI	Eduardo Rodriguez (15-6)	#114	@ PHI	Aaron Nola (6-10)	#50
Tue, Jun 30th	@ ARI	Brandon Pfaadt (7-3)	#115	@ PHI	Cristopher Sanchez (17-5)	#5
Wed, Jul 1st	@ ARI	Zac Gallen (3-9)	#118	@ PHI	Zack Wheeler (12-5)	#9
Thu, Jul 2nd				@ PHI	Alan Rangel (0-3)	#283
Fri, Jul 3rd	@ COL	Ryan Feltner (5-10)	#400	@ WSH	Foster Griffin (15-5)	#57
Sat, Jul 4th	@ COL	Sean Sullivan (0-3)	#323	@ WSH	Carson Palmquist (0-2)	#305
Sun, Jul 5th	@ COL	Tanner Gordon (1-4)	#225	@ WSH	Cade Cavalli (12-5)	#36
Tue, Jul 7th	vs TOR	Spencer Miles (6-2)	#169	vs ATL	Hurston Waldrep (0-1)
Wed, Jul 8th	vs TOR	Dylan Cease (11-5)	#4	vs ATL	Grant Holmes (9-5)	#157
Thu, Jul 9th	vs COL	Ryan Feltner (5-10)	#400	vs ATL	Bryce Elder (8-8)
Sat, Jul 11th	vs COL	Kyle Freeland (4-10)	#392	vs MIL	Shane Drohan (7-5)	#79
Sun, Jul 12th	vs COL	Michael Lorenzen (3-12)	#119	vs MIL	Robert Gasser (4-5)	#93
Sat, Jul 18th	@ SEA	Bryan Woo (12-9)	#11	@ CLE	Logan Allen (0-0)	#268
Sun, Jul 19th	@ SEA	Logan Gilbert (12-9)	#13	@ CLE	Joey Cantillo (9-9)	#66
Mon, Jul 20th	@ KC	Michael Wacha (9-8)	#70	@ NYY	Ryan Weathers (5-8)	#187
Wed, Jul 22nd	@ KC	Seth Lugo (7-8)	#139	@ NYY	Max Fried (4-4)	#17
Fri, Jul 24th	vs LAA	Grayson Rodriguez (4-7)	#95	vs CHC	Matthew Boyd (8-5)	#59
Sat, Jul 25th	vs LAA	Ryan Johnson (4-8)	#177	vs CHC	Shota Imanaga (10-10)	#30
Sun, Jul 26th	vs LAA	Jose Soriano (12-7)	#41	vs CHC	Jameson Taillon (2-6)
Mon, Jul 27th	vs MIL	Brandon Sproat (3-7)	#220	vs ARI	Merrill Kelly (9-13)	#131
Tue, Jul 28th	vs MIL	Logan Henderson (10-3)	#23	vs ARI	Brandon Pfaadt (7-3)	#115
Wed, Jul 29th	vs MIL	Thomas Pannone (0-1)	#236	vs ARI	Eduardo Rodriguez (15-6)	#114
Thu, Jul 30th	@ SD	JP Sears (3-4)	#306	@ CIN	Rhett Lowder (6-10)	#227
Fri, Jul 31st	@ SD	Bradgley Rodriguez (3-3)	#124	@ CIN	Hunter Greene (2-2)
Sat, Aug 1st	@ SD	Walker Buehler (8-6)	#167	@ CIN	Andrew Abbott (6-11)	#128
Sun, Aug 2nd	@ SD	Kyle Hart (1-3)	#176	@ CIN	Chase Burns (15-3)	#31
Mon, Aug 3rd	@ TEX	Cal Quantrill (9-5)	#156	@ MIL	Brandon Sproat (3-7)	#220
Tue, Aug 4th	@ TEX	MacKenzie Gore (8-11)	#53	@ MIL	Logan Henderson (10-3)	#23
Wed, Aug 5th	@ TEX	Cody Bradford (0-5)	#104	@ MIL	Kyle Harrison (10-4)	#62
Thu, Aug 6th				@ MIL	Dustin May (7-9)	#51
Fri, Aug 7th	vs DET	Keider Montero (9-8)	#134	vs NYM	Zac Thornton (4-5)	#123
Sat, Aug 8th	vs DET	Jackson Jobe (2-2)	#148	vs NYM	Robert Stock (1-3)	#348
Sun, Aug 9th	vs DET	Troy Melton (8-4)	#64	vs NYM	Sean Manaea (5-7)	#67
Tue, Aug 11th	vs HOU	Hunter Brown (5-3)	#25	@ MIA	Eury Perez (7-11)	#45
Wed, Aug 12th	vs HOU	Bryan King		@ MIA	Janson Junk (6-9)	#99
Thu, Aug 13th				@ MIA	Tyler Phillips (5-6)	#159
Fri, Aug 14th	vs COL	Kyle Freeland (4-10)	#392	vs BOS	Jake Bennett (9-7)	#72
Sat, Aug 15th	vs COL	Michael Lorenzen (3-12)	#119	vs BOS	Sonny Gray (17-5)	#37
Sun, Aug 16th	vs COL	Gabriel Hughes (0-8)	#321	vs BOS	Patrick Sandoval (1-5)	#111
Mon, Aug 17th				vs DET	Framber Valdez (10-10)	#46
Tue, Aug 18th	@ CLE	Foster Griffin (15-5)	#57	vs DET	Keider Montero (9-8)	#134
Wed, Aug 19th	@ CLE	Parker Messick (11-9)	#35	vs DET	Jackson Jobe (2-2)	#148
Fri, Aug 21st	@ BOS	Sonny Gray (17-5)	#37	@ LAD	Yoshinobu Yamamoto (13-8)	#8
Sat, Aug 22nd	@ BOS	Patrick Sandoval (1-5)	#111	@ LAD	Tarik Skubal (9-7)	#1
Sun, Aug 23rd	@ BOS	Jake Bennett (9-7)	#72	@ LAD	Blake Snell (4-1)	#10
Mon, Aug 24th	vs CIN	Chase Burns (15-3)	#31	@ SD	Robbie Ray (12-8)	#105
Tue, Aug 25th	vs CIN	Brady Singer (6-14)	#155	@ SD	Michael King (11-9)	#60
Wed, Aug 26th	vs CIN	Nick Lodolo (3-4)	#108	@ SD	Randy Vasquez (10-6)	#163
Fri, Aug 28th	vs ARI	Kohl Drake (0-1)		@ STL	Quinn Mathews (1-3)	#136
Sat, Aug 29th	vs ARI	Mitch Bratt (1-3)	#158	@ STL	Kyle Leahy (10-4)	#71
Sun, Aug 30th				@ STL	Matthew Liberatore (5-14)	#83
Tue, Sep 1st	@ PIT	Paul Skenes (10-11)	#6	vs SF	Logan Webb (8-9)	#20
Wed, Sep 2nd	@ PIT	Bubba Chandler (8-9)	#109	vs SF	Landen Roupp (9-13)	#100
Thu, Sep 3rd	@ PIT	Lake Bachar (1-3)	#181	vs SF	Blade Tidwell (0-2)	#170
Fri, Sep 4th	@ NYM	Nolan McLean (11-9)	#33	vs LAA	Ryan Johnson (4-8)	#177
Sat, Sep 5th	@ NYM	Zac Thornton (4-5)	#123	vs LAA	Yusei Kikuchi (1-5)	#68
Sun, Sep 6th	@ NYM	Christian Scott (4-5)	#39	vs LAA	Walbert Urena (9-10)	#150
Tue, Sep 8th	vs STL	Quinn Mathews (1-3)	#136	@ CWS	Sean Burke (8-7)	#82
Wed, Sep 9th	vs STL	Andre Pallante (12-6)	#92	@ CWS	Davis Martin (9-7)	#96
Thu, Sep 10th				@ CWS	Hagen Smith (3-1)	#194
Fri, Sep 11th	vs SD	Robbie Ray (12-8)	#105	@ CHC	Shota Imanaga (10-10)	#30
Sat, Sep 12th	vs SD	Michael King (11-9)	#60	@ CHC	Clay Holmes (6-7)	#63
Sun, Sep 13th	vs SD	Nick Pivetta (2-2)	#32	@ CHC	Matthew Boyd (8-5)	#59
Tue, Sep 15th	@ STL	Andre Pallante (12-6)	#92	vs MIL	Jacob Misiorowski (14-5)	#7
Wed, Sep 16th	@ STL	Matthew Liberatore (5-14)	#83	vs MIL	Logan Henderson (10-3)	#23
Thu, Sep 17th				vs MIL	Dustin May (7-9)	#51
Fri, Sep 18th	@ LAD	Tyler Glasnow (4-1)	#12	vs KC	Randy Dobnak (3-4)	#391
Sat, Sep 19th	@ LAD	Justin Wrobleski (11-5)	#164	vs KC	Noah Cameron (9-8)	#65
Sun, Sep 20th	@ LAD	Tarik Skubal (9-7)	#1	vs KC	Michael Wacha (9-8)	#70
Tue, Sep 22nd	vs MIN	Zebby Matthews (9-10)	#85	vs STL	Andre Pallante (12-6)	#92
Wed, Sep 23rd	vs MIN	Taj Bradley (11-6)	#40	vs STL	Matthew Liberatore (5-14)	#83
Thu, Sep 24th				vs STL
Fri, Sep 25th	vs LAD			@ DET
Sat, Sep 26th	vs LAD			@ DET
Sun, Sep 27th	vs LAD			@ DET
Wed, Mar 25th	vs NYY	Max Fried (4-4)	#17
Fri, Mar 27th	vs NYY	Cam Schlittler (14-6)	#15
Thu, Apr 2nd	vs NYM	David Peterson (7-8)	#101
Mon, May 4th	vs SD	Randy Vasquez (10-6)	#163
Mon, May 11th	@ LAD	Roki Sasaki (5-5)	#106
Mon, May 18th	@ ARI	Zac Gallen (3-9)	#118
Mon, Jun 1st	@ MIL	Shane Drohan (7-5)	#79
Mon, Jun 8th	vs WSH	Richard Lovelady (2-4)	#302
Mon, Jul 6th	vs TOR	Kevin Gausman (9-12)	#26
Fri, Jul 10th	vs COL	Tanner Gordon (1-4)	#225
Fri, Jul 17th	@ SEA	Bryce Miller (4-9)	#44
Tue, Jul 21st	@ KC	Luinder Avila (5-4)
Mon, Aug 10th	vs HOU	Hayden Wesneski (5-2)	#80
Thu, Aug 20th	@ CLE	Gavin Williams (13-7)	#19
Thu, Aug 27th	vs ARI
Mon, Aug 31st	@ ATL	Bryce Elder (8-8)
Mon, Sep 7th	vs STL	Michael McGreevy (7-9)	#110
Mon, Sep 14th	@ STL	Quinn Mathews (1-3)	#136
Mon, Sep 21st	vs MIN	Bailey Ober (7-5)	#87