Reiver Sanmartin or Riley O'Brien

Baseball Stats Comparison

Stats
Projections
News & Notes
Schedule

Reiver Sanmartin or Riley O'Brien Player Statistics
	Riley O'Brien RP - STL	Reiver Sanmartin RP - SF
2026 Stats


Games Played	62	22

Games Started	0	0

Innings Pitched	60.0	21.0

Wins	3	2

Losses	8	0

Saves	36	0

Blown Saves	8	0

Holds	1	4

Hits Allowed	49	20

Earned Runs	28	10

Home Runs Allowed	4	3

Strikeouts	60	16

Walks	27	6

ERA	4.20	4.29

WHIP	1.27	1.24

Reiver Sanmartin or Riley O'Brien Player Projections
	Riley O'Brien RP - STL	Reiver Sanmartin RP - SF
2026 Projections


Games Played	59	25

Games Started	0	0

Innings Pitched	60.2	25.7

Wins	3	1

Losses	3	1

Saves	14	0

Blown Saves	1	0

Holds	11	2

Hits Allowed	52	27

Earned Runs	26	15

Home Runs Allowed	5	3

Strikeouts	63	20

Walks	27	9

ERA	3.92	5.14

WHIP	1.31	1.41

Reiver Sanmartin or Riley O'Brien Player Notes
	Riley O'Brien RP - STL	Reiver Sanmartin RP - SF
News
	Riley O'Brien allowed two earned runs on one hit and one walk while striking out two across one inning in Saturday's 6-5 loss to the White Sox. Chase Davis Sun, Sep 13th	The Giants recalled LHP Reiver Sanmartin from Triple-A Sacramento. Ari Koslow Thu, Aug 20th
	Riley O'Brien struck out two batters while allowing one hit in a scoreless outing to earn the save in Friday's 7-6 win over the Rockies. Chase Davis Sat, Sep 5th	The Giants optioned Reiver Sanmartin to Triple-A Sacramento. Ari Koslow Wed, Aug 19th
	Riley O'Brien struck out one batter while allowing the ghost runner to score to earn the save in Wednesday's 8-6 win over the Dodgers. Chase Davis Thu, Sep 3rd	The Giants recalled Reiver Sanmartin from Triple-A Sacramento. Ari Koslow Mon, Aug 3rd
	Riley O'Brien struck out one batter while allowing one hit in a scoreless appearance to earn the save in Thursday's 7-5 win over the Orioles. Chase Davis Fri, Aug 28th	The Giants optioned Reiver Sanmartin to Triple-A Sacramento. Ari Koslow Wed, Jun 17th
	Riley O'Brien recorded one out while allowing a hit and two walks to record his 33rd save of the season in Thursday's win against the Reds. Chase Davis Fri, Aug 21st	Reiver Sanmartin (hip) was activated off the 60-day IL ahead of Wednesday's game against the Nationals. Nate Miller - FantasyPros Wed, Jun 10th
Notes
There are no recent notes for these players

Reiver Sanmartin or Riley O'Brien Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	Riley O'Brien RP - STL			Reiver Sanmartin RP - SF
Wed, Mar 25th				vs NYY	Max Fried (4-4)	#17
Fri, Mar 27th				vs NYY	Cam Schlittler (13-6)	#15
Sat, Mar 28th	vs TB	Joe Boyle (0-1)	#237	vs NYY	Will Warren (10-6)	#74
Mon, Mar 30th	vs NYM	Clay Holmes (6-7)	#63	@ SD	Walker Buehler (8-6)	#167
Tue, Mar 31st	vs NYM	Kodai Senga (0-9)	#107	@ SD	German Marquez (4-2)	#369
Wed, Apr 1st	vs NYM	Freddy Peralta (8-11)	#52	@ SD	Nick Pivetta (2-2)	#32
Thu, Apr 2nd				vs NYM	David Peterson (7-8)	#101
Fri, Apr 3rd	@ DET	Framber Valdez (10-10)	#46	vs NYM	Nolan McLean (11-9)	#33
Sat, Apr 4th	@ DET	Jack Flaherty (3-8)	#91	vs NYM	Clay Holmes (6-7)	#63
Sun, Apr 5th	@ DET	Keider Montero (9-8)	#134	vs NYM	Kodai Senga (0-9)	#107
Mon, Apr 6th	@ WSH	Zack Littell (8-8)	#324	vs PHI	Andrew Painter (3-9)	#132
Tue, Apr 7th	@ WSH	Cade Cavalli (12-5)	#36	vs PHI	Cristopher Sanchez (17-5)	#5
Wed, Apr 8th	@ WSH	Miles Mikolas (3-9)		vs PHI	Aaron Nola (6-10)	#50
Fri, Apr 10th	vs BOS	Connelly Early (7-5)	#179	@ BAL	Shane Baz (6-15)	#69
Sat, Apr 11th	vs BOS	Ranger Suarez (7-4)	#34	@ BAL	Chris Bassitt (7-5)	#143
Sun, Apr 12th	vs BOS	Brayan Bello (6-7)	#112	@ BAL	Cade Povich (2-1)	#245
Tue, Apr 14th	vs CLE	Joey Cantillo (9-9)	#66	@ CIN	Brady Singer (6-14)	#155
Wed, Apr 15th	vs CLE	Slade Cecconi (4-7)	#206	@ CIN	Rhett Lowder (6-10)	#227
Thu, Apr 16th				@ CIN	Chase Burns (15-3)	#31
Fri, Apr 17th	@ HOU	Peter Lambert (8-9)	#138	@ WSH	Zack Littell (8-8)	#324
Sat, Apr 18th	@ HOU	Lance McCullers Jr. (2-3)		@ WSH	Cade Cavalli (12-5)	#36
Sun, Apr 19th	@ HOU	Mike Burrows (4-9)	#229	@ WSH	PJ Poulin (3-0)
Tue, Apr 21st	@ MIA	Chris Paddack (0-7)		vs LAD	Yoshinobu Yamamoto (13-8)	#8
Wed, Apr 22nd	@ MIA	Janson Junk (6-9)	#99	vs LAD	Shohei Ohtani (8-2)	#16
Thu, Apr 23rd				vs LAD	Tyler Glasnow (4-1)	#12
Fri, Apr 24th	vs SEA	George Kirby (9-11)	#28	vs MIA	Sandy Alcantara (13-10)	#88
Sat, Apr 25th	vs SEA	Bryan Woo (12-9)	#11	vs MIA	Eury Perez (7-11)	#45
Sun, Apr 26th	vs SEA	Emerson Hancock (7-8)	#199	vs MIA	Max Meyer (9-1)
Tue, Apr 28th	@ PIT	Braxton Ashcraft (14-6)		@ PHI	Jesus Luzardo (14-5)	#18
Thu, Apr 30th	@ PIT	Paul Skenes (10-11)	#6	@ PHI	Tim Mayza (3-3)	#172
Fri, May 1st	vs LAD	Emmet Sheehan (5-8)	#56	@ TB	Shane McClanahan (10-7)	#152
Sat, May 2nd	vs LAD	Roki Sasaki (5-5)	#106	@ TB	Griffin Jax (7-10)	#29
Sun, May 3rd	vs LAD	Justin Wrobleski (11-5)	#164	@ TB	Steven Matz (5-5)	#198
Mon, May 4th	vs MIL	Chad Patrick (9-4)	#186	vs SD	Randy Vasquez (10-6)	#163
Tue, May 5th				vs SD	Walker Buehler (8-6)	#167
Wed, May 6th	vs MIL	Brandon Sproat (3-7)	#220	vs SD	Bradgley Rodriguez (3-3)	#124
Fri, May 8th	@ SD	Griffin Canning (4-9)	#233	vs PIT	Carmen Mlodzinski (7-6)	#98
Sat, May 9th	@ SD	Randy Vasquez (10-6)	#163	vs PIT	Braxton Ashcraft (14-6)
Sun, May 10th	@ SD	Walker Buehler (8-6)	#167	vs PIT	Bubba Chandler (7-9)	#109
Mon, May 11th				@ LAD	Roki Sasaki (5-5)	#106
Tue, May 12th	@ ATH	Jeffrey Springs (4-13)	#203	@ LAD	Yoshinobu Yamamoto (13-8)	#8
Wed, May 13th	@ ATH	J.T. Ginn (9-8)		@ LAD	Shohei Ohtani (8-2)	#16
Thu, May 14th	@ ATH	Jacob Lopez (6-4)	#146	@ LAD	Emmet Sheehan (5-8)	#56
Fri, May 15th	vs KC	Michael Wacha (9-8)	#70	@ ATH	Aaron Civale (6-7)	#205
Sat, May 16th	vs KC	Noah Cameron (9-8)	#65	@ ATH	Luis Severino (2-6)
Sun, May 17th	vs KC	Stephen Kolek (4-3)		@ ATH	Jeffrey Springs (4-13)	#203
Mon, May 18th				@ ARI	Zac Gallen (3-9)	#118
Tue, May 19th	vs PIT	Mitch Keller (6-8)		@ ARI	Ryne Nelson (3-5)	#185
Wed, May 20th	vs PIT	Carmen Mlodzinski (7-6)	#98	@ ARI	Merrill Kelly (9-13)	#131
Fri, May 22nd				vs CWS	Davis Martin (9-7)	#96
Sat, May 23rd	@ CIN	Chase Petty (1-2)	#363	vs CWS	Bryan Hudson (4-4)	#145
Sun, May 24th				vs CWS	Noah Schultz (3-9)	#376
Mon, May 25th	@ MIL	Jacob Misiorowski (14-5)	#7	vs ARI	Merrill Kelly (9-13)	#131
Tue, May 26th	@ MIL	Kyle Harrison (10-4)	#62	vs ARI	Eduardo Rodriguez (15-5)	#114
Wed, May 27th	@ MIL	Chad Patrick (9-4)	#186	vs ARI	Michael Soroka (8-5)	#78
Fri, May 29th	vs CHC	Shota Imanaga (10-10)	#30	@ COL	Michael Lorenzen (3-12)	#119
Sat, May 30th	vs CHC	Ben Brown (4-2)		@ COL	Ryan Feltner (5-10)	#400
Sun, May 31st	vs CHC	Jordan Wicks (0-2)	#287	@ COL	Tanner Gordon (1-4)	#225
Mon, Jun 1st	vs TEX	Jacob deGrom (10-9)	#3	@ MIL	Shane Drohan (7-5)	#79
Tue, Jun 2nd	vs TEX	Nathan Eovaldi (10-9)	#129	@ MIL	Kyle Harrison (10-4)	#62
Wed, Jun 3rd	vs TEX	MacKenzie Gore (8-11)	#53	@ MIL	Robert Gasser (4-5)	#93
Thu, Jun 4th				@ MIL	Coleman Crow (0-1)	#232
Fri, Jun 5th	vs CIN	Brady Singer (6-14)	#155	@ CHC	Edward Cabrera (5-5)	#258
Sat, Jun 6th	vs CIN	Nick Lodolo (3-4)	#108	@ CHC	Ben Brown (4-2)
Sun, Jun 7th	vs CIN	Rhett Lowder (6-10)	#227	@ CHC	Jameson Taillon (2-6)
Mon, Jun 8th				vs WSH	Richard Lovelady (2-4)	#302
Tue, Jun 9th	@ NYM	Freddy Peralta (8-11)	#52	vs WSH	Andrew Alvarez (2-6)	#121
Wed, Jun 10th	@ NYM	Austin Warren		vs WSH	Foster Griffin (15-5)	#57
Fri, Jun 12th	@ MIN	Joe Ryan (6-9)	#27	vs CHC	Javier Assad (6-1)	#246
Sat, Jun 13th	@ MIN	Connor Prielipp (5-7)	#77	vs CHC	Ben Brown (4-2)
Sun, Jun 14th	@ MIN	Taj Bradley (11-6)	#40	vs CHC	Ryan Rolison
Wed, Jun 17th	vs SD	Bradgley Rodriguez (3-3)	#124	@ ATL	JR Ritchie (1-2)	#310
Fri, Jun 19th	@ KC	Seth Lugo (7-8)	#139	@ MIA	Lake Bachar (1-3)	#181
Sat, Jun 20th				@ MIA	Max Meyer (9-1)
Sun, Jun 21st	@ KC	Stephen Kolek (4-3)		@ MIA	Ryan Gusto (1-5)	#141
Tue, Jun 23rd	vs ARI	Eduardo Rodriguez (15-5)	#114	vs ATH	Aaron Civale (6-7)	#205
Wed, Jun 24th	vs ARI	Mitch Bratt (1-3)	#158	vs ATH	Gage Jump (6-11)	#102
Thu, Jun 25th				vs ATH	Jeffrey Springs (4-13)	#203
Fri, Jun 26th	vs MIA	Max Meyer (9-1)		vs ATL	Reynaldo Lopez (4-4)	#76
Sat, Jun 27th	vs MIA	Ryan Gusto (1-5)	#141	vs ATL	Bryce Elder (8-8)
Sun, Jun 28th	vs MIA	Tyler Phillips (5-6)	#159	vs ATL	Chris Sale (14-9)	#2
Mon, Jun 29th				@ ARI	Eduardo Rodriguez (15-5)	#114
Tue, Jun 30th	@ ATL	Martin Perez (8-9)	#154	@ ARI	Brandon Pfaadt (7-3)	#115
Wed, Jul 1st	@ ATL	Reynaldo Lopez (4-4)	#76	@ ARI	Zac Gallen (3-9)	#118
Fri, Jul 3rd	@ CHC	David Peterson (7-8)	#101	@ COL	Ryan Feltner (5-10)	#400
Sat, Jul 4th	@ CHC	Shota Imanaga (10-10)	#30	@ COL	Sean Sullivan (0-3)	#323
Sun, Jul 5th	@ CHC	Javier Assad (6-1)	#246	@ COL	Tanner Gordon (1-4)	#225
Mon, Jul 6th	vs MIL	Shane Drohan (7-5)	#79	vs TOR	Kevin Gausman (9-12)	#26
Tue, Jul 7th	vs MIL	Robert Gasser (4-5)	#93	vs TOR	Spencer Miles (6-2)	#169
Wed, Jul 8th	vs MIL	Kyle Harrison (10-4)	#62	vs TOR	Dylan Cease (10-5)	#4
Thu, Jul 9th	vs MIL	Logan Henderson (10-3)	#23	vs COL	Ryan Feltner (5-10)	#400
Fri, Jul 10th	vs ATL	Chris Sale (14-9)	#2	vs COL	Tanner Gordon (1-4)	#225
Sat, Jul 11th	vs ATL	Reynaldo Lopez (4-4)	#76	vs COL	Kyle Freeland (4-10)	#392
Sun, Jul 12th	vs ATL	Danny Young		vs COL	Michael Lorenzen (3-12)	#119
Fri, Jul 17th	@ ARI	Merrill Kelly (9-13)	#131	@ SEA	Bryce Miller (4-9)	#44
Sat, Jul 18th	@ ARI	Brandon Pfaadt (7-3)	#115	@ SEA	Bryan Woo (12-9)	#11
Sun, Jul 19th	@ ARI	Eduardo Rodriguez (15-5)	#114	@ SEA	Logan Gilbert (12-9)	#13
Mon, Jul 20th	@ LAA	Jose Soriano (12-7)	#41	@ KC	Michael Wacha (9-8)	#70
Tue, Jul 21st	@ LAA	Walbert Urena (9-10)	#150	@ KC	Luinder Avila (5-4)
Wed, Jul 22nd	@ LAA	Reid Detmers (5-8)	#22	@ KC	Seth Lugo (7-8)	#139
Fri, Jul 24th	vs CIN	Rhett Lowder (6-10)	#227	vs LAA	Grayson Rodriguez (4-7)	#95
Sat, Jul 25th	vs CIN	Hunter Greene (2-2)		vs LAA	Ryan Johnson (4-8)	#177
Sun, Jul 26th	vs CIN	Andrew Abbott (6-11)	#128	vs LAA	Jose Soriano (12-7)	#41
Mon, Jul 27th	vs CHC	David Peterson (7-8)	#101	vs MIL	Brandon Sproat (3-7)	#220
Tue, Jul 28th	vs CHC	Colin Rea (8-8)	#174	vs MIL	Logan Henderson (10-3)	#23
Wed, Jul 29th	vs CHC	Matthew Boyd (8-4)	#59	vs MIL	Thomas Pannone (0-1)	#236
Thu, Jul 30th	vs CHC	Javier Assad (6-1)	#246	@ SD	JP Sears (3-4)	#306
Fri, Jul 31st	@ TOR	Dylan Cease (10-5)	#4	@ SD	Bradgley Rodriguez (3-3)	#124
Sat, Aug 1st	@ TOR	Kevin Gausman (9-12)	#26	@ SD	Walker Buehler (8-6)	#167
Sun, Aug 2nd	@ TOR	Max Scherzer (2-8)	#116	@ SD	Kyle Hart (1-3)	#176
Mon, Aug 3rd	@ NYY	Cam Schlittler (13-6)	#15	@ TEX	Cal Quantrill (8-5)	#156
Tue, Aug 4th	@ NYY	Ryan Weathers (5-8)	#187	@ TEX	MacKenzie Gore (8-11)	#53
Wed, Aug 5th	@ NYY	Will Warren (10-6)	#74	@ TEX	Cody Bradford (0-5)	#104
Fri, Aug 7th	vs COL	Ryan Feltner (5-10)	#400	vs DET	Keider Montero (9-8)	#134
Sat, Aug 8th	vs COL	Kyle Freeland (4-10)	#392	vs DET	Jackson Jobe (1-2)	#148
Sun, Aug 9th	vs COL	Michael Lorenzen (3-12)	#119	vs DET	Troy Melton (8-4)	#64
Mon, Aug 10th	vs PHI	Andrew Painter (3-9)	#132	vs HOU	Hayden Wesneski (5-1)	#80
Tue, Aug 11th	vs PHI	Cristopher Sanchez (17-5)	#5	vs HOU	Hunter Brown (5-3)	#25
Wed, Aug 12th	vs PHI	Zack Wheeler (12-5)	#9	vs HOU	Bryan King
Fri, Aug 14th	@ CHC	Clay Holmes (6-7)	#63	vs COL	Kyle Freeland (4-10)	#392
Sat, Aug 15th	@ CHC	Matthew Boyd (8-4)	#59	vs COL	Michael Lorenzen (3-12)	#119
Sun, Aug 16th	@ CHC	Edward Cabrera (5-5)	#258	vs COL	Gabriel Hughes (0-7)	#321
Tue, Aug 18th	@ CIN	Andrew Abbott (6-11)	#128	@ CLE	Foster Griffin (15-5)	#57
Wed, Aug 19th	@ CIN	Chase Burns (15-3)	#31	@ CLE	Parker Messick (11-9)	#35
Thu, Aug 20th	@ CIN	Brady Singer (6-14)	#155	@ CLE	Gavin Williams (13-7)	#19
Fri, Aug 21st	@ PHI	Jesus Luzardo (14-5)	#18	@ BOS	Sonny Gray (17-5)	#37
Sat, Aug 22nd	@ PHI	Andrew Painter (3-9)	#132	@ BOS	Patrick Sandoval (1-5)	#111
Sun, Aug 23rd	@ PHI	Cristopher Sanchez (17-5)	#5	@ BOS	Jake Bennett (9-7)	#72
Mon, Aug 24th				vs CIN	Chase Burns (15-3)	#31
Tue, Aug 25th	vs BAL	Chris Bassitt (7-5)	#143	vs CIN	Brady Singer (6-14)	#155
Wed, Aug 26th	vs BAL	Kyle Bradish (7-14)	#61	vs CIN	Nick Lodolo (3-4)	#108
Thu, Aug 27th	vs BAL	Trevor Rogers (10-9)	#42	vs ARI
Fri, Aug 28th	vs PIT	Jared Jones (4-6)	#38	vs ARI	Kohl Drake (0-1)
Sat, Aug 29th	vs PIT	Lake Bachar (1-3)	#181	vs ARI	Mitch Bratt (1-3)	#158
Mon, Aug 31st				@ ATL	Bryce Elder (8-8)
Tue, Sep 1st	@ LAD	Eric Lauer (8-7)	#314	@ PIT	Paul Skenes (10-11)	#6
Wed, Sep 2nd	@ LAD	Yoshinobu Yamamoto (13-8)	#8	@ PIT	Bubba Chandler (7-9)	#109
Thu, Sep 3rd	@ LAD	Tarik Skubal (9-7)	#1	@ PIT	Lake Bachar (1-3)	#181
Fri, Sep 4th	@ COL	Ryan Feltner (5-10)	#400	@ NYM	Nolan McLean (11-9)	#33
Sat, Sep 5th	@ COL	Mason Adams (0-0)	#393	@ NYM	Zac Thornton (4-5)	#123
Sun, Sep 6th	@ COL	Tanner Gordon (1-4)	#225	@ NYM	Christian Scott (4-4)	#39
Mon, Sep 7th	@ SF	Logan Webb (8-8)	#20	vs STL	Michael McGreevy (6-9)	#110
Tue, Sep 8th	@ SF	Landen Roupp (9-13)	#100	vs STL	Quinn Mathews (1-3)	#136
Wed, Sep 9th	@ SF	Blade Tidwell (0-2)	#170	vs STL	Andre Pallante (12-6)	#92
Fri, Sep 11th	vs CWS	Anthony Kay (9-9)	#125	vs SD	Robbie Ray (12-8)	#105
Sat, Sep 12th	vs CWS	Sean Newcomb (2-4)	#151	vs SD	Michael King (11-9)	#60
Sun, Sep 13th	vs CWS	David Sandlin (2-1)	#333	vs SD	Nick Pivetta (2-2)	#32
Mon, Sep 14th	vs SF	Landen Roupp (9-13)	#100	@ STL	Quinn Mathews (1-3)	#136
Tue, Sep 15th	vs SF	Blade Tidwell (0-2)	#170	@ STL	Andre Pallante (12-6)	#92
Wed, Sep 16th	vs SF	Anthony Molina (3-1)	#144	@ STL	Matthew Liberatore (5-14)	#83
Fri, Sep 18th	vs WSH	Cade Cavalli (12-5)	#36	@ LAD	Tyler Glasnow (4-1)	#12
Sat, Sep 19th	vs WSH	Andrew Alvarez (2-6)	#121	@ LAD	Justin Wrobleski (11-5)	#164
Sun, Sep 20th	vs WSH	Connelly Early (7-5)	#179	@ LAD	Roki Sasaki (5-5)	#106
Mon, Sep 21st				vs MIN	Dean Kremer (3-5)	#73
Tue, Sep 22nd	@ PIT	Khristian Curtis (1-0)	#315	vs MIN	Zebby Matthews (9-10)	#85
Wed, Sep 23rd	@ PIT			vs MIN
Fri, Sep 25th	@ MIL			vs LAD
Sat, Sep 26th	@ MIL			vs LAD
Sun, Sep 27th	@ MIL			vs LAD
Thu, Mar 26th	vs TB	Drew Rasmussen (14-5)	#14
Sun, Mar 29th	vs TB	Steven Matz (5-5)	#198
Mon, Apr 13th	vs CLE	Gavin Williams (13-7)	#19
Mon, Apr 20th	@ MIA	Max Meyer (9-1)
Mon, Apr 27th	@ PIT	Mason Montgomery (6-3)	#84
Wed, Apr 29th	@ PIT	Bubba Chandler (7-9)	#109
Thu, May 7th	@ SD	Michael King (11-9)	#60
Thu, May 21st	vs PIT	Braxton Ashcraft (14-6)
Thu, Jun 11th	@ NYM	Christian Scott (4-4)	#39
Mon, Jun 15th	vs SD	Wandy Peralta (2-2)	#214
Tue, Jun 16th	vs SD	Michael King (11-9)	#60
Thu, Jun 18th	@ KC	Noah Cameron (9-8)	#65
Mon, Jun 22nd	vs ARI	Merrill Kelly (9-13)	#131
Thu, Jul 2nd	@ ATL	Hurston Waldrep (0-1)
Thu, Jul 23rd	vs ARI	Brandon Pfaadt (7-3)	#115
Mon, Aug 17th	@ CIN	Rhett Lowder (6-10)	#227
Sun, Aug 30th	vs PIT	Braxton Ashcraft (14-6)
Thu, Sep 24th	@ PIT