Michael Mercado or Riley O'Brien

Baseball Stats Comparison

Stats
Projections
News & Notes
Schedule

Michael Mercado or Riley O'Brien Player Statistics
	Riley O'Brien RP - STL	Michael Mercado RP - PHI
2026 Stats


Games Played	63	‐

Games Started	0	‐

Innings Pitched	61.0	‐

Wins	3	‐

Losses	8	‐

Saves	37	‐

Blown Saves	8	‐

Holds	1	‐

Hits Allowed	50	‐

Earned Runs	28	‐

Home Runs Allowed	4	‐

Strikeouts	62	‐

Walks	28	‐

ERA	4.13	‐

WHIP	1.28	‐

Michael Mercado or Riley O'Brien Player Projections
	Riley O'Brien RP - STL	Michael Mercado RP - PHI
2026 Projections


Games Played	59	8

Games Started	0	1

Innings Pitched	60.2	14.9

Wins	3	1

Losses	3	1

Saves	14	0

Blown Saves	1	0

Holds	11	0

Hits Allowed	52	17

Earned Runs	26	18

Home Runs Allowed	5	3

Strikeouts	63	13

Walks	27	10

ERA	3.92	10.55

WHIP	1.31	1.76

Michael Mercado or Riley O'Brien Player Notes
	Riley O'Brien RP - STL	Michael Mercado RP - PHI
News
	Riley O'Brien struck out two batters while allowing one hit and one walk in a scoreless appearance to earn the save in Monday's 2-1 win over the Giants. Chase Davis Tue, Sep 15th	The Phillies reassigned RHP Michael Mercado to minor league camp. Ari Koslow Thu, Mar 12th
	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
	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
	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
	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
Notes
There are no recent notes for these players

Michael Mercado or Riley O'Brien Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	Riley O'Brien RP - STL			Michael Mercado RP - PHI
Thu, Mar 26th	vs TB	Drew Rasmussen (14-5)	#14	vs TEX	Nathan Eovaldi (10-9)	#122
Sat, Mar 28th	vs TB	Joe Boyle (0-1)	#204	vs TEX	Jacob Latz (4-2)	#70
Sun, Mar 29th	vs TB	Steven Matz (5-5)	#160	vs TEX	MacKenzie Gore (8-11)	#48
Mon, Mar 30th	vs NYM	Clay Holmes (6-7)	#64	vs WSH	Foster Griffin (15-5)	#52
Tue, Mar 31st	vs NYM	Kodai Senga (0-9)	#79	vs WSH	PJ Poulin (3-0)
Wed, Apr 1st	vs NYM	Freddy Peralta (9-11)	#44	vs WSH	Cade Cavalli (12-5)	#54
Fri, Apr 3rd	@ DET	Framber Valdez (10-10)	#36	@ COL	Michael Lorenzen (3-13)	#194
Sat, Apr 4th	@ DET	Jack Flaherty (3-8)	#66	@ COL	Brennan Bernardino (4-3)	#298
Sun, Apr 5th	@ DET	Keider Montero (9-8)	#127	@ COL	Tomoyuki Sugano (12-10)	#393
Mon, Apr 6th	@ WSH	Zack Littell (8-8)	#272	@ SF	Adrian Houser (4-7)
Tue, Apr 7th	@ WSH	Cade Cavalli (12-5)	#54	@ SF	Robbie Ray (12-8)	#106
Wed, Apr 8th	@ WSH	Miles Mikolas (3-9)		@ SF	Tyler Mahle (6-10)	#63
Fri, Apr 10th	vs BOS	Connelly Early (7-5)	#201	vs ARI	Michael Soroka (8-5)	#58
Sat, Apr 11th	vs BOS	Ranger Suarez (7-4)	#41	vs ARI	Brandon Pfaadt (7-3)	#92
Sun, Apr 12th	vs BOS	Brayan Bello (6-7)	#111	vs ARI	Zac Gallen (3-9)	#221
Mon, Apr 13th	vs CLE	Gavin Williams (13-8)	#18	vs CHC	Javier Assad (6-1)	#319
Tue, Apr 14th	vs CLE	Joey Cantillo (9-9)	#65	vs CHC	Riley Martin
Wed, Apr 15th	vs CLE	Slade Cecconi (4-7)	#148	vs CHC	Shota Imanaga (10-10)	#29
Fri, Apr 17th	@ HOU	Peter Lambert (8-9)	#181	vs ATL	Martin Perez (9-9)	#137
Sat, Apr 18th	@ HOU	Lance McCullers Jr. (2-3)		vs ATL	Chris Sale (14-9)	#5
Sun, Apr 19th	@ HOU	Mike Burrows (4-9)	#259	vs ATL	Grant Holmes (9-5)	#130
Mon, Apr 20th	@ MIA	Max Meyer (9-1)		@ CHC	Colin Rea (8-8)	#224
Tue, Apr 21st	@ MIA	Chris Paddack (0-7)		@ CHC	Shota Imanaga (10-10)	#29
Wed, Apr 22nd	@ MIA	Janson Junk (6-9)	#110	@ CHC	Matthew Boyd (8-5)	#62
Thu, Apr 23rd				@ CHC	Edward Cabrera (5-5)	#169
Fri, Apr 24th	vs SEA	George Kirby (9-11)	#22	@ ATL	Grant Holmes (9-5)	#130
Sat, Apr 25th	vs SEA	Bryan Woo (12-9)	#16	@ ATL	Bryce Elder (8-8)
Sun, Apr 26th	vs SEA	Emerson Hancock (7-8)	#208	@ ATL	Chris Sale (14-9)	#5
Tue, Apr 28th	@ PIT	Braxton Ashcraft (14-6)		vs SF	Tyler Mahle (6-10)	#63
Thu, Apr 30th	@ PIT	Paul Skenes (10-11)	#11	vs SF	Adrian Houser (4-7)
Fri, May 1st	vs LAD	Emmet Sheehan (5-8)	#112	@ MIA	Eury Perez (7-11)	#49
Sat, May 2nd	vs LAD	Roki Sasaki (5-5)	#76	@ MIA	Max Meyer (9-1)
Sun, May 3rd	vs LAD	Justin Wrobleski (11-5)	#182	@ MIA	Chris Paddack (0-7)
Mon, May 4th	vs MIL	Chad Patrick (9-4)	#175	@ MIA	Janson Junk (6-9)	#110
Tue, May 5th				vs ATH	Luis Severino (2-6)
Wed, May 6th	vs MIL	Brandon Sproat (3-7)	#170	vs ATH	Jeffrey Springs (4-13)	#164
Thu, May 7th	@ SD	Michael King (11-9)	#55	vs ATH	J.T. Ginn (9-8)
Fri, May 8th	@ SD	Griffin Canning (4-9)	#154	vs COL	Chase Dollander (3-3)
Sat, May 9th	@ SD	Randy Vasquez (10-6)	#326	vs COL	Kyle Freeland (4-10)	#392
Sun, May 10th	@ SD	Walker Buehler (8-6)	#153	vs COL	Tomoyuki Sugano (12-10)	#393
Tue, May 12th	@ ATH	Jeffrey Springs (4-13)	#164	@ BOS	Jovani Moran (2-3)	#180
Wed, May 13th	@ ATH	J.T. Ginn (9-8)		@ BOS	Sonny Gray (17-5)	#33
Thu, May 14th	@ ATH	Jacob Lopez (6-4)	#135	@ BOS	Ranger Suarez (7-4)	#41
Fri, May 15th	vs KC	Michael Wacha (9-9)	#71	@ PIT	Braxton Ashcraft (14-6)
Sat, May 16th	vs KC	Noah Cameron (9-8)	#72	@ PIT	Bubba Chandler (8-9)	#107
Sun, May 17th	vs KC	Stephen Kolek (4-3)		@ PIT	Paul Skenes (10-11)	#11
Mon, May 18th				vs CIN	Nick Lodolo (3-5)	#120
Tue, May 19th	vs PIT	Mitch Keller (6-8)		vs CIN	Chase Burns (15-3)	#34
Wed, May 20th	vs PIT	Carmen Mlodzinski (7-6)	#88	vs CIN	Andrew Abbott (6-11)	#132
Fri, May 22nd				vs CLE	Gavin Williams (13-8)	#18
Sat, May 23rd	@ CIN	Chase Petty (1-2)	#367	vs CLE	Slade Cecconi (4-7)	#148
Sun, May 24th				vs CLE	Parker Messick (11-9)	#31
Mon, May 25th	@ MIL	Jacob Misiorowski (15-5)	#8	@ SD	Griffin Canning (4-9)	#154
Tue, May 26th	@ MIL	Kyle Harrison (10-4)	#108	@ SD	Randy Vasquez (10-6)	#326
Wed, May 27th	@ MIL	Chad Patrick (9-4)	#175	@ SD	Walker Buehler (8-6)	#153
Fri, May 29th	vs CHC	Shota Imanaga (10-10)	#29	@ LAD	Justin Wrobleski (11-5)	#182
Sat, May 30th	vs CHC	Ben Brown (4-2)		@ LAD	Roki Sasaki (5-5)	#76
Sun, May 31st	vs CHC	Jordan Wicks (0-2)	#262	@ LAD	Yoshinobu Yamamoto (14-8)	#2
Tue, Jun 2nd	vs TEX	Nathan Eovaldi (10-9)	#122	vs SD	Randy Vasquez (10-6)	#326
Wed, Jun 3rd	vs TEX	MacKenzie Gore (8-11)	#48	vs SD	Walker Buehler (8-6)	#153
Thu, Jun 4th				vs SD	Lucas Giolito (2-3)
Fri, Jun 5th	vs CIN	Brady Singer (6-14)	#163	vs CWS	Anthony Kay (9-9)	#129
Sat, Jun 6th	vs CIN	Nick Lodolo (3-5)	#120	vs CWS	Brandon Eisert (3-2)	#183
Sun, Jun 7th	vs CIN	Rhett Lowder (6-11)	#151	vs CWS	Tyler Gilbert (0-0)
Mon, Jun 8th				@ TOR	Patrick Corbin (3-4)
Tue, Jun 9th	@ NYM	Freddy Peralta (9-11)	#44	@ TOR	Dylan Cease (11-5)	#4
Wed, Jun 10th	@ NYM	Austin Warren		@ TOR	Max Scherzer (2-8)	#116
Fri, Jun 12th	@ MIN	Joe Ryan (6-10)	#25	@ MIL	Jacob Misiorowski (15-5)	#8
Sat, Jun 13th	@ MIN	Connor Prielipp (5-7)	#115	@ MIL	Shane Drohan (7-5)	#82
Sun, Jun 14th	@ MIN	Taj Bradley (11-6)	#40	@ MIL	Kyle Harrison (10-4)	#108
Mon, Jun 15th	vs SD	Wandy Peralta (3-3)	#294	vs MIA	Ryan Gusto (1-5)	#255
Tue, Jun 16th	vs SD	Michael King (11-9)	#55	vs MIA	Tyler Phillips (5-6)	#334
Wed, Jun 17th	vs SD	Bradgley Rodriguez (3-3)	#138	vs MIA	Sandy Alcantara (13-10)	#97
Thu, Jun 18th	@ KC	Noah Cameron (9-8)	#72	vs NYM	Sean Manaea (5-7)	#60
Sat, Jun 20th				vs NYM	Freddy Peralta (9-11)	#44
Sun, Jun 21st	@ KC	Stephen Kolek (4-3)		vs NYM	David Peterson (8-8)	#93
Mon, Jun 22nd	vs ARI	Merrill Kelly (9-13)	#136	@ WSH	Foster Griffin (15-5)	#52
Tue, Jun 23rd	vs ARI	Eduardo Rodriguez (15-6)	#105	@ WSH	PJ Poulin (3-0)
Wed, Jun 24th	vs ARI	Mitch Bratt (1-3)		@ WSH	Carson Palmquist (0-2)	#353
Thu, Jun 25th				@ WSH	Cade Cavalli (12-5)	#54
Fri, Jun 26th	vs MIA	Max Meyer (9-1)		@ NYM	Zac Thornton (4-5)	#98
Sat, Jun 27th	vs MIA	Ryan Gusto (1-5)	#255	@ NYM	Christian Scott (4-5)	#39
Sun, Jun 28th	vs MIA	Tyler Phillips (5-6)	#334	@ NYM	Cionel Perez
Mon, Jun 29th				vs PIT	Braxton Ashcraft (14-6)
Tue, Jun 30th	@ ATL	Martin Perez (9-9)	#137	vs PIT	Bubba Chandler (8-9)	#107
Wed, Jul 1st	@ ATL	Reynaldo Lopez (4-5)	#69	vs PIT	Paul Skenes (10-11)	#11
Thu, Jul 2nd	@ ATL	Hurston Waldrep (0-1)		vs PIT	Jared Jones (4-6)	#42
Sat, Jul 4th	@ CHC	Shota Imanaga (10-10)	#29	@ KC	Michael Wacha (9-9)	#71
Sun, Jul 5th	@ CHC	Javier Assad (6-1)	#319	@ KC	Luinder Avila (5-4)
Mon, Jul 6th	vs MIL	Shane Drohan (7-5)	#82	@ KC	Noah Cameron (9-8)	#72
Tue, Jul 7th	vs MIL	Robert Gasser (4-5)	#83	@ CIN	Andrew Abbott (6-11)	#132
Wed, Jul 8th	vs MIL	Kyle Harrison (10-4)	#108	@ CIN	Chase Burns (15-3)	#34
Thu, Jul 9th	vs MIL	Logan Henderson (10-3)	#27	@ CIN	Brady Singer (6-14)	#163
Fri, Jul 10th	vs ATL	Chris Sale (14-9)	#5	@ DET	Jack Flaherty (3-8)	#66
Sat, Jul 11th	vs ATL	Reynaldo Lopez (4-5)	#69	@ DET	Casey Mize (6-9)	#45
Sun, Jul 12th	vs ATL	Danny Young		@ DET	Tarik Skubal (10-7)	#1
Thu, Jul 16th				vs NYM	Christian Scott (4-5)	#39
Sat, Jul 18th	@ ARI	Brandon Pfaadt (7-3)	#92	vs NYM	Sean Manaea (5-7)	#60
Sun, Jul 19th	@ ARI	Eduardo Rodriguez (15-6)	#105	vs NYM	Nolan McLean (11-9)	#30
Mon, Jul 20th	@ LAA	Jose Soriano (12-7)	#37	vs LAD	Emmet Sheehan (5-8)	#112
Tue, Jul 21st	@ LAA	Walbert Urena (9-10)	#147	vs LAD	Justin Wrobleski (11-5)	#182
Wed, Jul 22nd	@ LAA	Reid Detmers (6-8)	#20	vs LAD	Eric Lauer (8-7)
Fri, Jul 24th	vs CIN	Rhett Lowder (6-11)	#151	vs NYY	Cam Schlittler (14-6)	#13
Sat, Jul 25th	vs CIN	Hunter Greene (2-2)		vs NYY	Ryan Weathers (5-8)	#144
Sun, Jul 26th	vs CIN	Andrew Abbott (6-11)	#132	vs NYY	Will Warren (10-6)	#61
Mon, Jul 27th	vs CHC	David Peterson (8-8)	#93	@ MIA	Tyler Phillips (5-6)	#334
Tue, Jul 28th	vs CHC	Colin Rea (8-8)	#224	@ MIA	Sandy Alcantara (13-10)	#97
Wed, Jul 29th	vs CHC	Matthew Boyd (8-5)	#62	@ MIA	Ryan Gusto (1-5)	#255
Fri, Jul 31st	@ TOR	Dylan Cease (11-5)	#4	@ BAL	Brandon Young (9-4)	#117
Sat, Aug 1st	@ TOR	Kevin Gausman (9-12)	#32	@ BAL	Shane Baz (6-15)	#86
Sun, Aug 2nd	@ TOR	Max Scherzer (2-8)	#116	@ BAL	Kyle Bradish (7-14)
Mon, Aug 3rd	@ NYY	Cam Schlittler (14-6)	#13	vs WSH	Andrew Alvarez (2-6)	#168
Tue, Aug 4th	@ NYY	Ryan Weathers (5-8)	#144	vs WSH	Carson Palmquist (0-2)	#353
Wed, Aug 5th	@ NYY	Will Warren (10-6)	#61	vs WSH	Jake Irvin (2-9)	#140
Thu, Aug 6th				vs WSH	Miles Mikolas (3-9)
Fri, Aug 7th	vs COL	Ryan Feltner (6-10)	#395	vs TOR	Jose Soriano (12-7)	#37
Sat, Aug 8th	vs COL	Kyle Freeland (4-10)	#392	vs TOR	Max Scherzer (2-8)	#116
Sun, Aug 9th	vs COL	Michael Lorenzen (3-13)	#194	vs TOR	Shane Bieber (5-2)	#165
Mon, Aug 10th	vs PHI	Andrew Painter (3-9)	#113	@ STL	Hunter Dobbins (3-3)
Tue, Aug 11th	vs PHI	Cristopher Sanchez (17-6)	#3	@ STL	Andre Pallante (12-7)	#100
Wed, Aug 12th	vs PHI	Zack Wheeler (12-5)	#7	@ STL	Kyle Leahy (10-4)	#73
Thu, Aug 13th				@ MIN	Taj Bradley (11-6)	#40
Sat, Aug 15th	@ CHC	Matthew Boyd (8-5)	#62	@ MIN	Connor Prielipp (5-7)	#115
Sun, Aug 16th	@ CHC	Edward Cabrera (5-5)	#169	@ MIN	Dean Kremer (3-5)	#59
Mon, Aug 17th	@ CIN	Rhett Lowder (6-11)	#151	vs MIA	Janson Junk (6-9)	#110
Tue, Aug 18th	@ CIN	Andrew Abbott (6-11)	#132	vs MIA	Cade Gibson
Wed, Aug 19th	@ CIN	Chase Burns (15-3)	#34	vs MIA	Sandy Alcantara (13-10)	#97
Fri, Aug 21st	@ PHI	Jesus Luzardo (14-5)	#17	vs STL	Hunter Dobbins (3-3)
Sat, Aug 22nd	@ PHI	Andrew Painter (3-9)	#113	vs STL	Quinn Mathews (2-3)	#202
Sun, Aug 23rd	@ PHI	Cristopher Sanchez (17-6)	#3	vs STL	Kyle Leahy (10-4)	#73
Mon, Aug 24th				@ SEA	Logan Gilbert (12-10)	#6
Tue, Aug 25th	vs BAL	Chris Bassitt (7-5)	#126	@ SEA	George Kirby (9-11)	#22
Wed, Aug 26th	vs BAL	Kyle Bradish (7-14)		@ SEA	Bryan Woo (12-9)	#16
Fri, Aug 28th	vs PIT	Jared Jones (4-6)	#42	@ LAA	Reid Detmers (6-8)	#20
Sat, Aug 29th	vs PIT	Lake Bachar (1-4)	#281	@ LAA	Ryan Johnson (5-8)	#150
Sun, Aug 30th	vs PIT	Braxton Ashcraft (14-6)		@ LAA	Yusei Kikuchi (1-5)	#68
Mon, Aug 31st				@ ARI	Brandon Pfaadt (7-3)	#92
Tue, Sep 1st	@ LAD	Eric Lauer (8-7)		@ ARI	Eduardo Rodriguez (15-6)	#105
Wed, Sep 2nd	@ LAD	Yoshinobu Yamamoto (14-8)	#2	@ ARI	Taylor Clarke
Fri, Sep 4th	@ COL	Ryan Feltner (6-10)	#395	vs ATL	Chris Sale (14-9)	#5
Sat, Sep 5th	@ COL	Mason Adams (0-0)	#389	vs ATL	Martin Perez (9-9)	#137
Sun, Sep 6th	@ COL	Tanner Gordon (1-4)	#387	vs ATL	Tyler Mahle (6-10)	#63
Mon, Sep 7th	@ SF	Logan Webb (8-9)	#26	vs ATL	Grant Holmes (9-5)	#130
Tue, Sep 8th	@ SF	Landen Roupp (9-14)	#99	vs HOU	Hayden Wesneski (5-2)	#78
Wed, Sep 9th	@ SF	Blade Tidwell (1-2)	#302	vs HOU	Hunter Brown (6-3)	#23
Thu, Sep 10th				vs HOU	Cristian Javier (2-5)	#102
Fri, Sep 11th	vs CWS	Anthony Kay (9-9)	#129	@ ATL	Chris Sale (14-9)	#5
Sat, Sep 12th	vs CWS	Sean Newcomb (2-4)	#158	@ ATL	Tyler Mahle (6-10)	#63
Sun, Sep 13th	vs CWS	David Sandlin (2-2)	#301	@ ATL	Grant Holmes (9-5)	#130
Tue, Sep 15th	vs SF	Blade Tidwell (1-2)	#302	@ WSH	Jackson Kent (1-4)	#258
Wed, Sep 16th	vs SF	Anthony Molina (3-1)	#134	@ WSH	Jared Simpson
Thu, Sep 17th				@ NYM	Nolan McLean (11-9)	#30
Fri, Sep 18th	vs WSH	Cade Cavalli (12-5)	#54	@ NYM	Zac Thornton (4-5)	#98
Sat, Sep 19th	vs WSH	Andrew Alvarez (2-6)	#168	@ NYM	Christian Scott (4-5)	#39
Sun, Sep 20th	vs WSH	Jake Irvin (2-9)	#140	@ NYM	Jonah Tong (2-1)	#101
Tue, Sep 22nd	@ PIT	Jared Jones (4-6)	#42	vs MIL	Jacob Misiorowski (15-5)	#8
Wed, Sep 23rd	@ PIT	Khristian Curtis (1-0)	#257	vs MIL	Dustin May (7-9)	#53
Thu, Sep 24th	@ PIT	Paul Skenes (10-11)	#11	vs MIL	Shane Drohan (7-5)	#82
Fri, Sep 25th	@ MIL			vs TB
Sat, Sep 26th	@ MIL			vs TB
Sun, Sep 27th	@ MIL			vs TB
Mon, Apr 27th	@ PIT	Mason Montgomery (6-3)	#90
Wed, Apr 29th	@ PIT	Bubba Chandler (8-9)	#107
Thu, May 21st	vs PIT	Braxton Ashcraft (14-6)
Mon, Jun 1st	vs TEX	Jacob deGrom (11-9)	#10
Thu, Jun 11th	@ NYM	Christian Scott (4-5)	#39
Fri, Jun 19th	@ KC	Seth Lugo (7-8)	#118
Fri, Jul 3rd	@ CHC	David Peterson (8-8)	#93
Fri, Jul 17th	@ ARI	Merrill Kelly (9-13)	#136
Thu, Jul 23rd	vs ARI	Brandon Pfaadt (7-3)	#92
Thu, Jul 30th	vs CHC	Javier Assad (6-1)	#319
Fri, Aug 14th	@ CHC	Clay Holmes (6-7)	#64
Thu, Aug 20th	@ CIN	Brady Singer (6-14)	#163
Thu, Aug 27th	vs BAL	Trevor Rogers (10-10)	#56
Thu, Sep 3rd	@ LAD	Tarik Skubal (10-7)	#1
Mon, Sep 14th	vs SF	Landen Roupp (9-14)	#99