Mitch Spence or Riley O'Brien

Baseball Stats Comparison

Stats
Projections
News & Notes
Schedule

Mitch Spence or Riley O'Brien Player Statistics
	Riley O'Brien RP - STL	Mitch Spence SP,RP - KC
2026 Stats


Games Played	56	3

Games Started	0	1

Innings Pitched	54.2	9.1

Wins	3	0

Losses	6	2

Saves	34	0

Blown Saves	5	0

Holds	1	0

Hits Allowed	44	19

Earned Runs	24	22

Home Runs Allowed	3	3

Strikeouts	54	6

Walks	23	9

ERA	3.95	21.21

WHIP	1.23	3.00

Mitch Spence or Riley O'Brien Player Projections
	Riley O'Brien RP - STL	Mitch Spence SP,RP - KC
2026 Projections


Games Played	59	25

Games Started	0	2

Innings Pitched	60.2	35.8

Wins	3	2

Losses	3	2

Saves	14	0

Blown Saves	1	0

Holds	11	2

Hits Allowed	52	38

Earned Runs	26	18

Home Runs Allowed	5	5

Strikeouts	63	29

Walks	27	11

ERA	3.92	4.40

WHIP	1.31	1.37

Mitch Spence or Riley O'Brien Player Notes
	Riley O'Brien RP - STL	Mitch Spence SP,RP - KC
News
	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 Royals optioned RHP Mitch Spence to Triple-A Omaha. Ari Koslow Sat, Jun 27th
	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	Mitch Spence is expected to make a bulk relief appearance on Friday against the White Sox. Ari Koslow Fri, Jun 26th
	Riley O'Brien struck out one batter in a scoreless outing to earn the save in Tuesday's 3-0 win over the Reds. Chase Davis Wed, Aug 19th	The Royals recalled Mitch Spence from Triple-A Omaha. Ari Koslow Fri, Jun 26th
	Riley O'Brien picked up the save in a clean ninth inning, striking out three batters on 14 pitches. Chase Davis Tue, Aug 18th	The Royals optioned RHP Mitch Spence to Triple-A Omaha. Ari Koslow Tue, Jun 16th
	Riley O'Brien struck out one batter in a scoreless appearance to earn the save in Tuesday's 2-0 win over the Phillies. Chase Davis Wed, Aug 12th	The Royals recalled Mitch Spence from Triple-A Omaha. Ari Koslow Mon, Jun 15th
Notes
There are no recent notes for these players

Mitch Spence or Riley O'Brien Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	Riley O'Brien RP - STL			Mitch Spence SP,RP - KC
Fri, Mar 27th				@ ATL	Chris Sale (13-9)	#5
Sat, Mar 28th	vs TB	Joe Boyle (0-1)	#216	@ ATL	Reynaldo Lopez (4-3)	#103
Sun, Mar 29th	vs TB	Steven Matz (5-4)	#222	@ ATL	Grant Holmes (9-5)	#161
Mon, Mar 30th	vs NYM	Clay Holmes (6-6)	#72	vs MIN	Simeon Woods Richardson (2-7)	#316
Wed, Apr 1st	vs NYM	Freddy Peralta (6-11)	#45	vs MIN	Joe Ryan (6-8)	#51
Thu, Apr 2nd				vs MIN	Taj Bradley (10-6)	#46
Sat, Apr 4th	@ DET	Jack Flaherty (3-8)	#87	vs MIL	Logan Henderson (9-2)	#29
Sun, Apr 5th	@ DET	Keider Montero (9-8)	#135	vs MIL	Kyle Harrison (10-4)	#50
Mon, Apr 6th	@ WSH	Zack Littell (8-8)	#305	@ CLE	Tanner Bibee (5-14)	#61
Tue, Apr 7th	@ WSH	Cade Cavalli (12-5)	#43	@ CLE	Gavin Williams (12-7)	#20
Wed, Apr 8th	@ WSH	Miles Mikolas (3-9)		@ CLE	Joey Cantillo (9-7)	#75
Thu, Apr 9th				vs CWS	Anthony Kay (9-7)	#152
Fri, Apr 10th	vs BOS	Connelly Early (7-5)	#206	vs CWS	Davis Martin (9-6)	#109
Sat, Apr 11th	vs BOS	Ranger Suarez (5-4)	#32	vs CWS	Erick Fedde (7-8)	#421
Sun, Apr 12th	vs BOS	Brayan Bello (5-7)	#131	vs CWS	Grant Taylor (7-2)	#26
Tue, Apr 14th	vs CLE	Joey Cantillo (9-7)	#75	@ DET	Framber Valdez (8-10)	#48
Wed, Apr 15th	vs CLE	Slade Cecconi (4-7)	#201	@ DET	Jack Flaherty (3-8)	#87
Thu, Apr 16th				@ DET	Keider Montero (9-8)	#135
Fri, Apr 17th	@ HOU	Peter Lambert (8-7)	#144	@ NYY	Cam Schlittler (12-6)	#15
Sat, Apr 18th	@ HOU	Lance McCullers Jr. (2-3)		@ NYY	Will Warren (9-6)	#73
Sun, Apr 19th	@ HOU	Mike Burrows (4-9)	#145	@ NYY	Ryan Weathers (5-8)	#209
Mon, Apr 20th	@ MIA	Max Meyer (9-1)		vs BAL	Kyle Bradish (7-12)	#57
Tue, Apr 21st	@ MIA	Chris Paddack (0-7)		vs BAL	Shane Baz (5-14)	#71
Wed, Apr 22nd	@ MIA	Janson Junk (6-8)	#110	vs BAL	Chris Bassitt (6-4)	#156
Fri, Apr 24th	vs SEA	George Kirby (9-10)	#23	vs LAA	Yusei Kikuchi (0-5)	#80
Sat, Apr 25th	vs SEA	Bryan Woo (9-9)	#13	vs LAA	Walbert Urena (9-9)	#188
Sun, Apr 26th	vs SEA	Emerson Hancock (7-8)	#130	vs LAA	Reid Detmers (4-8)	#31
Tue, Apr 28th	@ PIT	Braxton Ashcraft (14-5)	#30	@ ATH	Aaron Civale (6-7)	#192
Wed, Apr 29th	@ PIT	Bubba Chandler (6-9)	#123	@ ATH	Luis Severino (2-6)
Thu, Apr 30th	@ PIT	Paul Skenes (9-11)	#6	@ ATH	Jeffrey Springs (3-13)	#193
Fri, May 1st	vs LAD	Emmet Sheehan (4-8)	#180	@ SEA	Bryan Woo (9-9)	#13
Sat, May 2nd	vs LAD	Roki Sasaki (5-5)	#225	@ SEA	Emerson Hancock (7-8)	#130
Sun, May 3rd	vs LAD	Justin Wrobleski (11-5)	#112	@ SEA	Luis Castillo (4-10)	#105
Mon, May 4th	vs MIL	Chad Patrick (7-4)	#120	vs CLE	Tanner Bibee (5-14)	#61
Tue, May 5th				vs CLE	Gavin Williams (12-7)	#20
Wed, May 6th	vs MIL	Brandon Sproat (3-7)	#286	vs CLE	Joey Cantillo (9-7)	#75
Thu, May 7th	@ SD	Michael King (9-9)	#56	vs CLE	Slade Cecconi (4-7)	#201
Fri, May 8th	@ SD	Griffin Canning (4-9)	#220	vs DET	Keider Montero (9-8)	#135
Sat, May 9th	@ SD	Randy Vasquez (10-6)	#182	vs DET	Burch Smith
Sun, May 10th	@ SD	Walker Buehler (8-6)	#170	vs DET	Brenan Hanifee
Tue, May 12th	@ ATH	Jeffrey Springs (3-13)	#193	@ CWS	Erick Fedde (7-8)	#421
Wed, May 13th	@ ATH	J.T. Ginn (9-8)	#154	@ CWS	Noah Schultz (3-9)	#347
Thu, May 14th	@ ATH	Jacob Lopez (5-4)	#136	@ CWS	Anthony Kay (9-7)	#152
Fri, May 15th	vs KC	Michael Wacha (8-8)	#81	@ STL	Dustin May (6-9)	#60
Sat, May 16th	vs KC	Noah Cameron (9-8)	#95	@ STL	Kyle Leahy (10-4)	#104
Sun, May 17th	vs KC	Stephen Kolek (4-3)		@ STL	Andre Pallante (12-6)	#227
Mon, May 18th				vs BOS	Sonny Gray (16-4)	#34
Tue, May 19th	vs PIT	Mitch Keller (6-8)		vs BOS	Ranger Suarez (5-4)	#32
Wed, May 20th	vs PIT	Carmen Mlodzinski (7-6)	#107	vs BOS	Connelly Early (7-5)	#206
Fri, May 22nd				vs SEA	Logan Gilbert (11-8)	#11
Sat, May 23rd	@ CIN	Chase Petty (1-2)	#428	vs SEA	George Kirby (9-10)	#23
Sun, May 24th				vs SEA	Bryan Woo (9-9)	#13
Mon, May 25th	@ MIL	Jacob Misiorowski (14-5)	#7	vs NYY	Will Warren (9-6)	#73
Tue, May 26th	@ MIL	Kyle Harrison (10-4)	#50	vs NYY	Cam Schlittler (12-6)	#15
Wed, May 27th	@ MIL	Chad Patrick (7-4)	#120	vs NYY	Gerrit Cole (7-7)	#19
Fri, May 29th	vs CHC	Shota Imanaga (8-10)	#28	@ TEX	MacKenzie Gore (7-10)	#39
Sat, May 30th	vs CHC	Ben Brown (4-2)	#207	@ TEX	Kumar Rocker (5-10)	#114
Sun, May 31st	vs CHC	Jordan Wicks (0-2)	#309	@ TEX	Jack Leiter (3-7)	#197
Mon, Jun 1st	vs TEX	Jacob deGrom (10-9)	#8	@ CIN	Lyon Richardson
Tue, Jun 2nd	vs TEX	Nathan Eovaldi (10-9)	#74	@ CIN	Andrew Abbott (6-10)	#138
Wed, Jun 3rd	vs TEX	MacKenzie Gore (7-10)	#39	@ CIN	Chase Burns (15-3)	#24
Thu, Jun 4th				@ MIN	Andrew Morris (4-7)	#125
Fri, Jun 5th	vs CIN	Brady Singer (5-13)	#176	@ MIN	Zebby Matthews (9-8)	#101
Sat, Jun 6th	vs CIN	Nick Lodolo (3-3)	#126	@ MIN	Joe Ryan (6-8)	#51
Sun, Jun 7th	vs CIN	Rhett Lowder (6-8)	#173	@ MIN	Connor Prielipp (3-7)	#66
Tue, Jun 9th	@ NYM	Freddy Peralta (6-11)	#45	vs TEX	Nathan Eovaldi (10-9)	#74
Wed, Jun 10th	@ NYM	Austin Warren		vs TEX	MacKenzie Gore (7-10)	#39
Thu, Jun 11th	@ NYM	Christian Scott (4-4)	#41	vs TEX	Kumar Rocker (5-10)	#114
Fri, Jun 12th	@ MIN	Joe Ryan (6-8)	#51	vs HOU	Tatsuya Imai (6-4)	#115
Sat, Jun 13th	@ MIN	Connor Prielipp (3-7)	#66	vs HOU	Mike Burrows (4-9)	#145
Sun, Jun 14th	@ MIN	Taj Bradley (10-6)	#46	vs HOU	Spencer Arrighetti (7-7)	#168
Mon, Jun 15th	vs SD	Wandy Peralta (2-2)	#298	@ WSH	Andrew Alvarez (2-6)	#132
Tue, Jun 16th	vs SD	Michael King (9-9)	#56	@ WSH	Foster Griffin (15-4)	#40
Wed, Jun 17th	vs SD	Bradgley Rodriguez (3-3)	#91	@ WSH	Zack Littell (8-8)	#305
Thu, Jun 18th	@ KC	Noah Cameron (9-8)	#95	vs STL	Matthew Liberatore (5-13)	#92
Fri, Jun 19th	@ KC	Seth Lugo (6-8)	#143	vs STL	Michael McGreevy (5-9)	#111
Sun, Jun 21st	@ KC	Stephen Kolek (4-3)		vs STL	Dustin May (6-9)	#60
Mon, Jun 22nd	vs ARI	Merrill Kelly (9-12)	#162	@ TB	Drew Rasmussen (14-5)	#16
Tue, Jun 23rd	vs ARI	Eduardo Rodriguez (14-4)	#129	@ TB	Shane McClanahan (10-6)	#38
Wed, Jun 24th	vs ARI	Mitch Bratt (1-3)	#254	@ TB	Griffin Jax (6-9)	#68
Thu, Jun 25th				@ TB	Casey Legumina (2-2)	#304
Fri, Jun 26th	vs MIA	Max Meyer (9-1)		@ CWS	David Sandlin (2-1)	#325
Sat, Jun 27th	vs MIA	Ryan Gusto (1-3)	#149	@ CWS	Davis Martin (9-6)	#109
Sun, Jun 28th	vs MIA	Tyler Phillips (3-6)	#184	@ CWS	Anthony Kay (9-7)	#152
Tue, Jun 30th	@ ATL	Martin Perez (8-8)	#177	vs TB	Griffin Jax (6-9)	#68
Wed, Jul 1st	@ ATL	Reynaldo Lopez (4-3)	#103	vs TB	Shane McClanahan (10-6)	#38
Thu, Jul 2nd	@ ATL	Hurston Waldrep (0-1)		vs TB	Ian Seymour (9-6)	#54
Sat, Jul 4th	@ CHC	Shota Imanaga (8-10)	#28	vs PHI	Jesus Luzardo (12-5)	#4
Sun, Jul 5th	@ CHC	Javier Assad (6-1)	#251	vs PHI	Aaron Nola (6-10)	#55
Mon, Jul 6th	vs MIL	Shane Drohan (7-5)	#106	vs PHI	Cristopher Sanchez (16-4)	#3
Tue, Jul 7th	vs MIL	Robert Gasser (4-5)	#93	@ NYM	Cionel Perez
Wed, Jul 8th	vs MIL	Kyle Harrison (10-4)	#50	@ NYM	Christian Scott (4-4)	#41
Thu, Jul 9th	vs MIL	Logan Henderson (9-2)	#29	@ NYM	Sean Manaea (4-6)	#64
Fri, Jul 10th	vs ATL	Chris Sale (13-9)	#5	@ BAL	Brandon Young (9-3)	#142
Sat, Jul 11th	vs ATL	Reynaldo Lopez (4-3)	#103	@ BAL	Kyle Bradish (7-12)	#57
Sun, Jul 12th	vs ATL	Danny Young		@ BAL	Shane Baz (5-14)	#71
Fri, Jul 17th	@ ARI	Merrill Kelly (9-12)	#162	vs SD	Michael King (9-9)	#56
Sat, Jul 18th	@ ARI	Brandon Pfaadt (7-2)	#102	vs SD	Griffin Canning (4-9)	#220
Sun, Jul 19th	@ ARI	Eduardo Rodriguez (14-4)	#129	vs SD	German Marquez (4-2)	#368
Mon, Jul 20th	@ LAA	Jose Soriano (11-7)	#42	vs SF	Trevor McDonald (3-7)
Tue, Jul 21st	@ LAA	Walbert Urena (9-9)	#188	vs SF	Tyler Mahle (5-10)	#79
Wed, Jul 22nd	@ LAA	Reid Detmers (4-8)	#31	vs SF	Landen Roupp (8-13)	#98
Thu, Jul 23rd	vs ARI	Brandon Pfaadt (7-2)	#102	@ DET	Troy Melton (7-3)	#59
Fri, Jul 24th	vs CIN	Rhett Lowder (6-8)	#173	@ DET	Tarik Skubal (8-7)	#2
Sat, Jul 25th	vs CIN	Hunter Greene (2-2)		@ DET	Casey Mize (5-8)	#47
Sun, Jul 26th	vs CIN	Andrew Abbott (6-10)	#138	@ DET	Framber Valdez (8-10)	#48
Tue, Jul 28th	vs CHC	Colin Rea (8-8)	#247	@ MIN	Taj Bradley (10-6)	#46
Wed, Jul 29th	vs CHC	Matthew Boyd (8-3)	#53	@ MIN	Joe Ryan (6-8)	#51
Thu, Jul 30th	vs CHC	Javier Assad (6-1)	#251	@ MIN	Bailey Ober (7-4)	#100
Fri, Jul 31st	@ TOR	Dylan Cease (9-5)	#10	@ COL	Tomoyuki Sugano (12-8)	#430
Sat, Aug 1st	@ TOR	Kevin Gausman (8-11)	#22	@ COL	Ryan Feltner (5-9)	#427
Sun, Aug 2nd	@ TOR	Max Scherzer (2-7)	#140	@ COL	Kyle Freeland (4-10)	#409
Tue, Aug 4th	@ NYY	Ryan Weathers (5-8)	#209	vs MIN	Joe Ryan (6-8)	#51
Wed, Aug 5th	@ NYY	Will Warren (9-6)	#73	vs MIN	Dean Kremer (2-5)	#90
Thu, Aug 6th				vs MIN	Bailey Ober (7-4)	#100
Fri, Aug 7th	vs COL	Ryan Feltner (5-9)	#427	vs CHC	Kevin Gausman (8-11)	#22
Sat, Aug 8th	vs COL	Kyle Freeland (4-10)	#409	vs CHC	Clay Holmes (6-6)	#72
Sun, Aug 9th	vs COL	Michael Lorenzen (3-11)	#164	vs CHC	Matthew Boyd (8-3)	#53
Mon, Aug 10th	vs PHI	Andrew Painter (3-8)	#172	@ LAD	Tarik Skubal (8-7)	#2
Tue, Aug 11th	vs PHI	Cristopher Sanchez (16-4)	#3	@ LAD	Blake Snell (2-1)	#14
Wed, Aug 12th	vs PHI	Zack Wheeler (11-5)	#12	@ LAD	Eric Lauer (8-6)	#189
Fri, Aug 14th	@ CHC	Clay Holmes (6-6)	#72	@ LAA	Grayson Rodriguez (4-5)	#99
Sat, Aug 15th	@ CHC	Matthew Boyd (8-3)	#53	@ LAA	Reid Detmers (4-8)	#31
Sun, Aug 16th	@ CHC	Edward Cabrera (5-5)	#116	@ LAA	Ryan Johnson (3-7)	#185
Mon, Aug 17th	@ CIN	Rhett Lowder (6-8)	#173	vs ATH	Mason Barnett (1-4)	#424
Tue, Aug 18th	@ CIN	Andrew Abbott (6-10)	#138	vs ATH	Brady Basso (0-1)	#232
Wed, Aug 19th	@ CIN	Chase Burns (15-3)	#24	vs ATH	Jeffrey Springs (3-13)	#193
Thu, Aug 20th	@ CIN	Brady Singer (5-13)	#176	vs ATH	Gage Jump (6-9)	#97
Fri, Aug 21st	@ PHI	Jesus Luzardo (12-5)	#4	vs DET	Troy Melton (7-3)	#59
Sat, Aug 22nd	@ PHI	Andrew Painter (3-8)	#172	vs DET	Drew Anderson (4-5)	#77
Sun, Aug 23rd	@ PHI	Cristopher Sanchez (16-4)	#3	vs DET	Jacob Waguespack
Tue, Aug 25th	vs BAL	Chris Bassitt (6-4)	#156	@ TOR	Max Scherzer (2-7)	#140
Wed, Aug 26th	vs BAL	Kyle Bradish (7-12)	#57	@ TOR	Spencer Miles (5-2)	#96
Thu, Aug 27th	vs BAL	Trevor Rogers (9-9)	#58	@ TOR	Spencer Arrighetti (7-7)	#168
Fri, Aug 28th	vs PIT	Jared Jones (2-6)	#52	@ CLE	Tanner Bibee (5-14)	#61
Sat, Aug 29th	vs PIT	Lake Bachar (1-3)	#271	@ CLE	Foster Griffin (15-4)	#40
Sun, Aug 30th	vs PIT	Braxton Ashcraft (14-5)	#30	@ CLE	Parker Messick (11-8)	#33
Tue, Sep 1st	@ LAD	Eric Lauer (8-6)	#189	vs MIA	Tyler Phillips (3-6)	#184
Wed, Sep 2nd	@ LAD	Yoshinobu Yamamoto (12-8)	#9	vs MIA	Eury Perez (7-10)	#35
Thu, Sep 3rd	@ LAD	Tarik Skubal (8-7)	#2	vs MIA	Sandy Alcantara (13-8)	#63
Fri, Sep 4th	@ COL	Ryan Feltner (5-9)	#427	vs TOR	Jameson Taillon (2-6)	#153
Sat, Sep 5th	@ COL	Mason Adams (0-0)	#423	vs TOR	Max Scherzer (2-7)	#140
Sun, Sep 6th	@ COL	Tanner Gordon (1-4)	#266	vs TOR	Spencer Arrighetti (7-7)	#168
Mon, Sep 7th	@ SF	Landen Roupp (8-13)	#98	vs ARI	Eduardo Rodriguez (14-4)	#129
Tue, Sep 8th	@ SF	Matt Wilkinson (0-2)	#262	vs ARI	Michael Soroka (8-4)	#88
Wed, Sep 9th	@ SF	Matt Wilkinson (0-2)	#262	vs ARI	Zac Gallen (3-9)	#146
Fri, Sep 11th	vs CWS			@ BOS
Sat, Sep 12th	vs CWS			@ BOS
Sun, Sep 13th	vs CWS			@ BOS
Tue, Sep 15th	vs SF			@ HOU
Wed, Sep 16th	vs SF			@ HOU
Thu, Sep 17th				@ HOU
Fri, Sep 18th	vs WSH			@ PIT
Sat, Sep 19th	vs WSH			@ PIT
Sun, Sep 20th	vs WSH			@ PIT
Tue, Sep 22nd	@ PIT			vs CWS
Wed, Sep 23rd	@ PIT			vs CWS
Thu, Sep 24th	@ PIT			vs CWS
Fri, Sep 25th	@ MIL			vs CLE
Sat, Sep 26th	@ MIL			vs CLE
Sun, Sep 27th	@ MIL			vs CLE
Thu, Mar 26th	vs TB	Drew Rasmussen (14-5)	#16
Tue, Mar 31st	vs NYM	Kodai Senga (0-9)	#70
Fri, Apr 3rd	@ DET	Framber Valdez (8-10)	#48
Mon, Apr 13th	vs CLE	Gavin Williams (12-7)	#20
Mon, Apr 27th	@ PIT	Mason Montgomery (5-3)	#67
Thu, May 21st	vs PIT	Braxton Ashcraft (14-5)	#30
Fri, Jul 3rd	@ CHC	David Peterson (7-7)	#108
Mon, Jul 27th	vs CHC	David Peterson (7-7)	#108
Mon, Aug 3rd	@ NYY	Cam Schlittler (12-6)	#15
Mon, Sep 14th	vs SF