Mike Vasil or Riley O'Brien

Baseball Stats Comparison

Stats
Projections
News & Notes
Schedule

Mike Vasil or Riley O'Brien Player Statistics
	Riley O'Brien RP - STL	Mike Vasil SP,RP - CWS
2026 Stats


Games Played	64	‐

Games Started	0	‐

Innings Pitched	62.0	‐

Wins	3	‐

Losses	9	‐

Saves	37	‐

Blown Saves	8	‐

Holds	1	‐

Hits Allowed	52	‐

Earned Runs	29	‐

Home Runs Allowed	5	‐

Strikeouts	62	‐

Walks	29	‐

ERA	4.21	‐

WHIP	1.31	‐

Mike Vasil or Riley O'Brien Player Projections
	Riley O'Brien RP - STL	Mike Vasil SP,RP - CWS
2026 Projections


Games Played	59	34

Games Started	0	1

Innings Pitched	60.2	51.7

Wins	3	2

Losses	3	3

Saves	14	1

Blown Saves	1	1

Holds	11	3

Hits Allowed	52	49

Earned Runs	26	26

Home Runs Allowed	5	6

Strikeouts	63	42

Walks	27	23

ERA	3.92	4.52

WHIP	1.31	1.40

Mike Vasil or Riley O'Brien Player Notes
	Riley O'Brien RP - STL	Mike Vasil SP,RP - CWS
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	Vasil underwent Tommy John surgery in March and is not expected to return until around midseason 2027. The White Sox transferred him to the 60-day IL Tuesday. Bruno Mulé Tue, Apr 7th
	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 White Sox placed Mike Vasil on the 15-day injured list. Ari Koslow Wed, Mar 25th
	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	Mike Vasil will have Tommy John surgery and miss the remainder of the 2026 season. Ari Koslow Tue, Mar 17th
	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	White Sox right-hander Mike Vasil was removed from Saturday's Cactus League start due to right elbow soreness. Brenton Kemp Sat, Mar 14th
	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

Mike Vasil or Riley O'Brien Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	Riley O'Brien RP - STL			Mike Vasil SP,RP - CWS
Thu, Mar 26th	vs TB	Drew Rasmussen (15-5)	#9	@ MIL	Jacob Misiorowski (15-5)	#6
Sat, Mar 28th	vs TB	Joe Boyle (0-1)	#170	@ MIL	Chad Patrick (9-4)	#130
Sun, Mar 29th	vs TB	Steven Matz (5-5)	#142	@ MIL	Brandon Sproat (3-7)	#258
Mon, Mar 30th	vs NYM	Clay Holmes (6-7)	#76	@ MIA	Chris Paddack (0-7)
Tue, Mar 31st	vs NYM	Kodai Senga (0-9)	#129	@ MIA	Janson Junk (6-9)	#85
Wed, Apr 1st	vs NYM	Freddy Peralta (9-11)	#56	@ MIA	Sandy Alcantara (13-10)	#71
Fri, Apr 3rd	@ DET	Framber Valdez (10-11)	#42	vs TOR	Dylan Cease (11-5)	#11
Sat, Apr 4th	@ DET	Jack Flaherty (3-8)	#120	vs TOR	Mason Fluharty (6-1)	#178
Sun, Apr 5th	@ DET	Keider Montero (9-9)	#100	vs TOR	Eric Lauer (8-7)
Mon, Apr 6th	@ WSH	Zack Littell (8-8)	#327	vs BAL	Brandon Young (9-4)	#108
Tue, Apr 7th	@ WSH	Cade Cavalli (12-5)	#36	vs BAL	Trevor Rogers (10-10)	#55
Wed, Apr 8th	@ WSH	Miles Mikolas (3-9)		vs BAL	Kyle Bradish (7-14)
Thu, Apr 9th				@ KC	Seth Lugo (7-9)	#116
Fri, Apr 10th	vs BOS	Connelly Early (7-5)	#162	@ KC	Kris Bubic (3-2)	#137
Sat, Apr 11th	vs BOS	Ranger Suarez (7-4)	#32	@ KC	Michael Wacha (9-9)	#65
Sun, Apr 12th	vs BOS	Brayan Bello (6-7)	#102	@ KC	Noah Cameron (9-8)	#58
Tue, Apr 14th	vs CLE	Joey Cantillo (9-9)	#75	vs TB	Shane McClanahan (10-7)	#163
Wed, Apr 15th	vs CLE	Slade Cecconi (4-7)	#204	vs TB	Cole Sulser
Thu, Apr 16th				vs TB	Steven Matz (5-5)	#142
Fri, Apr 17th	@ HOU	Peter Lambert (8-9)	#111	@ ATH	Aaron Civale (6-7)	#184
Sat, Apr 18th	@ HOU	Lance McCullers Jr. (2-3)		@ ATH	Luis Severino (2-6)
Sun, Apr 19th	@ HOU	Mike Burrows (4-9)	#299	@ ATH	Jeffrey Springs (4-14)	#155
Tue, Apr 21st	@ MIA	Chris Paddack (0-7)		@ ARI	Merrill Kelly (9-14)	#124
Wed, Apr 22nd	@ MIA	Janson Junk (6-9)	#85	@ ARI	Eduardo Rodriguez (15-6)	#110
Thu, Apr 23rd				@ ARI	Michael Soroka (8-5)	#70
Fri, Apr 24th	vs SEA	George Kirby (9-11)	#29	vs WSH	PJ Poulin (3-0)
Sat, Apr 25th	vs SEA	Bryan Woo (12-9)	#10	vs WSH	Jake Irvin (2-9)	#247
Sun, Apr 26th	vs SEA	Emerson Hancock (7-8)	#135	vs WSH	Foster Griffin (15-5)	#57
Mon, Apr 27th	@ PIT	Mason Montgomery (6-3)	#153	vs LAA	Jack Kochanowicz (2-5)
Tue, Apr 28th	@ PIT	Braxton Ashcraft (14-6)		vs LAA	Jose Soriano (12-7)	#46
Wed, Apr 29th	@ PIT	Bubba Chandler (8-9)	#123	vs LAA	Yusei Kikuchi (1-6)	#66
Fri, May 1st	vs LAD	Emmet Sheehan (5-8)	#140	@ SD	German Marquez (4-2)	#291
Sat, May 2nd	vs LAD	Roki Sasaki (5-5)	#80	@ SD	Michael King (12-9)	#59
Sun, May 3rd	vs LAD	Justin Wrobleski (11-5)	#134	@ SD	Griffin Canning (4-9)	#216
Mon, May 4th	vs MIL	Chad Patrick (9-4)	#130	@ LAA	Jose Soriano (12-7)	#46
Tue, May 5th				@ LAA	Sam Aldegheri (3-4)	#349
Wed, May 6th	vs MIL	Brandon Sproat (3-7)	#258	@ LAA	Walbert Urena (9-10)	#302
Fri, May 8th	@ SD	Griffin Canning (4-9)	#216	vs SEA	Emerson Hancock (7-8)	#135
Sat, May 9th	@ SD	Randy Vasquez (10-6)	#275	vs SEA	Luis Castillo (4-11)	#88
Sun, May 10th	@ SD	Walker Buehler (8-6)	#156	vs SEA	Logan Gilbert (12-10)	#14
Tue, May 12th	@ ATH	Jeffrey Springs (4-14)	#155	vs KC	Stephen Kolek (4-3)
Wed, May 13th	@ ATH	J.T. Ginn (9-8)		vs KC	Seth Lugo (7-9)	#116
Thu, May 14th	@ ATH	Jacob Lopez (6-4)	#128	vs KC	Kris Bubic (3-2)	#137
Fri, May 15th	vs KC	Michael Wacha (9-9)	#65	vs CHC	Edward Cabrera (5-5)	#145
Sat, May 16th	vs KC	Noah Cameron (9-8)	#58	vs CHC	Jameson Taillon (2-6)
Sun, May 17th	vs KC	Stephen Kolek (4-3)		vs CHC	Colin Rea (8-8)	#197
Mon, May 18th				@ SEA	Bryan Woo (12-9)	#10
Tue, May 19th	vs PIT	Mitch Keller (6-8)		@ SEA	Bryce Miller (4-9)	#44
Wed, May 20th	vs PIT	Carmen Mlodzinski (7-7)	#86	@ SEA	Emerson Hancock (7-8)	#135
Fri, May 22nd				@ SF	Trevor McDonald (3-7)
Sat, May 23rd	@ CIN	Chase Petty (1-2)	#338	@ SF	Adrian Houser (4-7)
Sun, May 24th				@ SF	Robbie Ray (13-8)	#105
Mon, May 25th	@ MIL	Jacob Misiorowski (15-5)	#6	vs MIN	Zebby Matthews (9-10)	#63
Tue, May 26th	@ MIL	Kyle Harrison (10-5)	#109	vs MIN	Joe Ryan (6-10)	#22
Wed, May 27th	@ MIL	Chad Patrick (9-4)	#130	vs MIN	Connor Prielipp (5-7)	#96
Thu, May 28th				vs MIN	Simeon Woods Richardson (2-7)
Fri, May 29th	vs CHC	Shota Imanaga (11-10)	#33	vs DET	Troy Melton (8-4)	#73
Sat, May 30th	vs CHC	Ben Brown (4-2)		vs DET	Framber Valdez (10-11)	#42
Sun, May 31st	vs CHC	Jordan Wicks (0-2)		vs DET	Keider Montero (9-9)	#100
Mon, Jun 1st	vs TEX	Jacob deGrom (11-9)	#4	@ MIN	Joe Ryan (6-10)	#22
Tue, Jun 2nd	vs TEX	Nathan Eovaldi (11-9)	#97	@ MIN	Connor Prielipp (5-7)	#96
Wed, Jun 3rd	vs TEX	MacKenzie Gore (8-11)	#49	@ MIN	Taj Bradley (11-6)	#35
Fri, Jun 5th	vs CIN	Brady Singer (6-15)	#157	@ PHI	Jesus Luzardo (14-5)	#16
Sat, Jun 6th	vs CIN	Nick Lodolo (3-5)	#101	@ PHI	Andrew Painter (3-9)	#118
Sun, Jun 7th	vs CIN	Rhett Lowder (6-11)	#126	@ PHI	Aaron Nola (7-10)	#54
Tue, Jun 9th	@ NYM	Freddy Peralta (9-11)	#56	vs ATL	Grant Holmes (9-5)	#121
Wed, Jun 10th	@ NYM	Austin Warren		vs ATL	Chris Sale (14-9)	#7
Fri, Jun 12th	@ MIN	Joe Ryan (6-10)	#22	vs LAD	Roki Sasaki (5-5)	#80
Sat, Jun 13th	@ MIN	Connor Prielipp (5-7)	#96	vs LAD	Yoshinobu Yamamoto (14-8)	#3
Sun, Jun 14th	@ MIN	Taj Bradley (11-6)	#35	vs LAD	Emmet Sheehan (5-8)	#140
Tue, Jun 16th	vs SD	Michael King (12-9)	#59	@ NYY	Gerrit Cole (8-9)	#24
Wed, Jun 17th	vs SD	Bradgley Rodriguez (3-3)	#229	@ NYY	Carlos Rodon (6-3)	#47
Thu, Jun 18th	@ KC	Noah Cameron (9-8)	#58	@ NYY	Ryan Weathers (5-8)	#250
Fri, Jun 19th	@ KC	Seth Lugo (7-9)	#116	@ DET	Tarik Skubal (10-7)	#1
Sat, Jun 20th				@ DET	Troy Melton (8-4)	#73
Sun, Jun 21st	@ KC	Stephen Kolek (4-3)		@ DET	Keider Montero (9-9)	#100
Mon, Jun 22nd	vs ARI	Merrill Kelly (9-14)	#124	vs CLE	Gavin Williams (13-8)	#18
Tue, Jun 23rd	vs ARI	Eduardo Rodriguez (15-6)	#110	vs CLE	Parker Messick (12-9)	#31
Wed, Jun 24th	vs ARI	Mitch Bratt (1-3)		vs CLE	Tanner Bibee (6-15)	#62
Fri, Jun 26th	vs MIA	Max Meyer (9-1)		vs KC	Steven Cruz
Sat, Jun 27th	vs MIA	Ryan Gusto (1-5)	#154	vs KC	Michael Wacha (9-9)	#65
Sun, Jun 28th	vs MIA	Tyler Phillips (5-6)	#298	vs KC	Luinder Avila (5-4)
Mon, Jun 29th				@ BAL	Shane Baz (6-15)	#81
Tue, Jun 30th	@ ATL	Martin Perez (9-9)	#132	@ BAL	Trey Gibson (1-3)	#373
Wed, Jul 1st	@ ATL	Reynaldo Lopez (4-5)		@ BAL	Dean Kremer (3-5)	#82
Thu, Jul 2nd	@ ATL	Hurston Waldrep (0-1)		@ CLE	Slade Cecconi (4-7)	#204
Fri, Jul 3rd	@ CHC	David Peterson (8-8)	#92	@ CLE	Gavin Williams (13-8)	#18
Sat, Jul 4th	@ CHC	Shota Imanaga (11-10)	#33	@ CLE	Parker Messick (12-9)	#31
Sun, Jul 5th	@ CHC	Javier Assad (6-1)	#191	@ CLE	Tanner Bibee (6-15)	#62
Tue, Jul 7th	vs MIL	Robert Gasser (4-5)	#67	vs BOS	Payton Tolle (9-6)	#21
Wed, Jul 8th	vs MIL	Kyle Harrison (10-5)	#109	vs BOS	Jake Bennett (9-7)	#61
Thu, Jul 9th	vs MIL	Logan Henderson (10-3)	#23	vs BOS	Patrick Sandoval (1-6)	#74
Fri, Jul 10th	vs ATL	Chris Sale (14-9)	#7	vs ATH	Jacob Lopez (6-4)	#128
Sat, Jul 11th	vs ATL	Reynaldo Lopez (4-5)		vs ATH	Gage Jump (6-11)
Sun, Jul 12th	vs ATL	Danny Young		vs ATH	J.T. Ginn (9-8)
Fri, Jul 17th	@ ARI	Merrill Kelly (9-14)	#124	@ TOR	Spencer Miles (6-2)	#119
Sat, Jul 18th	@ ARI	Brandon Pfaadt (7-3)	#94	@ TOR	Shane Bieber (5-2)	#148
Sun, Jul 19th	@ ARI	Eduardo Rodriguez (15-6)	#110	@ TOR	Trey Yesavage (5-5)	#141
Mon, Jul 20th	@ LAA	Jose Soriano (12-7)	#46	@ TEX	Jacob deGrom (11-9)	#4
Tue, Jul 21st	@ LAA	Walbert Urena (9-10)	#302	@ TEX	Kumar Rocker (5-11)	#95
Wed, Jul 22nd	@ LAA	Reid Detmers (6-8)	#19	@ TEX	Tyler Alexander (5-2)	#152
Fri, Jul 24th	vs CIN	Rhett Lowder (6-11)	#126	vs HOU	Spencer Arrighetti (8-9)	#308
Sat, Jul 25th	vs CIN	Hunter Greene (2-2)		vs HOU	Hunter Brown (6-3)	#27
Sun, Jul 26th	vs CIN	Andrew Abbott (6-11)	#122	vs HOU	Ronel Blanco (0-1)	#219
Mon, Jul 27th	vs CHC	David Peterson (8-8)	#92	vs NYY	Max Fried (5-4)	#17
Tue, Jul 28th	vs CHC	Colin Rea (8-8)	#197	vs NYY	Gerrit Cole (8-9)	#24
Wed, Jul 29th	vs CHC	Matthew Boyd (8-5)	#52	vs NYY	Cam Schlittler (14-6)	#13
Thu, Jul 30th	vs CHC	Javier Assad (6-1)	#191	vs NYY	Ryan Weathers (5-8)	#250
Fri, Jul 31st	@ TOR	Dylan Cease (11-5)	#11	@ TB	Nick Martinez (15-4)	#77
Sat, Aug 1st	@ TOR	Kevin Gausman (9-12)	#26	@ TB	Drew Rasmussen (15-5)	#9
Sun, Aug 2nd	@ TOR	Max Scherzer (3-8)	#90	@ TB	Griffin Jax (7-10)	#20
Tue, Aug 4th	@ NYY	Ryan Weathers (5-8)	#250	@ BOS	Patrick Sandoval (1-6)	#74
Wed, Aug 5th	@ NYY	Will Warren (10-6)	#50	@ BOS	Sonny Gray (17-5)	#34
Thu, Aug 6th				@ BOS	Ranger Suarez (7-4)	#32
Fri, Aug 7th	vs COL	Ryan Feltner (6-10)	#389	vs CLE	Parker Messick (12-9)	#31
Sat, Aug 8th	vs COL	Kyle Freeland (4-10)	#369	vs CLE	Gavin Williams (13-8)	#18
Sun, Aug 9th	vs COL	Michael Lorenzen (3-13)	#166	vs CLE	Joey Cantillo (9-9)	#75
Tue, Aug 11th	vs PHI	Cristopher Sanchez (17-6)	#2	vs CIN	Nick Lodolo (3-5)	#101
Wed, Aug 12th	vs PHI	Zack Wheeler (13-5)	#8	vs CIN	Rhett Lowder (6-11)	#126
Thu, Aug 13th				vs CIN	Andrew Abbott (6-11)	#122
Fri, Aug 14th	@ CHC	Clay Holmes (6-7)	#76	@ DET	Jackson Jobe (2-2)	#211
Sat, Aug 15th	@ CHC	Matthew Boyd (8-5)	#52	@ DET	Troy Melton (8-4)	#73
Sun, Aug 16th	@ CHC	Edward Cabrera (5-5)	#145	@ DET	Drew Anderson (5-6)	#114
Mon, Aug 17th	@ CIN	Rhett Lowder (6-11)	#126	@ CHC	Shota Imanaga (11-10)	#33
Tue, Aug 18th	@ CIN	Andrew Abbott (6-11)	#122	@ CHC	Kevin Gausman (9-12)	#26
Wed, Aug 19th	@ CIN	Chase Burns (15-3)	#28	@ CHC	Clay Holmes (6-7)	#76
Thu, Aug 20th	@ CIN	Brady Singer (6-15)	#157	vs ATL	Grant Holmes (9-5)	#121
Fri, Aug 21st	@ PHI	Jesus Luzardo (14-5)	#16	vs NYM	Sean Manaea (5-7)	#78
Sat, Aug 22nd	@ PHI	Andrew Painter (3-9)	#118	vs NYM	Christian Scott (4-5)	#43
Sun, Aug 23rd	@ PHI	Cristopher Sanchez (17-6)	#2	vs NYM	Nolan McLean (11-10)	#39
Mon, Aug 24th				vs TEX	Kumar Rocker (5-11)	#95
Tue, Aug 25th	vs BAL	Chris Bassitt (8-5)	#117	vs TEX	Jacob deGrom (11-9)	#4
Wed, Aug 26th	vs BAL	Kyle Bradish (7-14)		vs TEX	MacKenzie Gore (8-11)	#49
Fri, Aug 28th	vs PIT	Jared Jones (4-6)	#37	@ MIN	Dean Kremer (3-5)	#82
Sat, Aug 29th	vs PIT	Lake Bachar (1-4)	#261	@ MIN	Bailey Ober (7-6)	#72
Sun, Aug 30th	vs PIT	Braxton Ashcraft (14-6)		@ MIN	Zebby Matthews (9-10)	#63
Mon, Aug 31st				@ HOU	Peter Lambert (8-9)	#111
Tue, Sep 1st	@ LAD	Eric Lauer (8-7)		@ HOU	Ronel Blanco (0-1)	#219
Wed, Sep 2nd	@ LAD	Yoshinobu Yamamoto (14-8)	#3	@ HOU	Hayden Wesneski (5-2)	#79
Thu, Sep 3rd	@ LAD	Tarik Skubal (10-7)	#1	@ HOU	Hunter Brown (6-3)	#27
Fri, Sep 4th	@ COL	Ryan Feltner (6-10)	#389	vs MIN	Zebby Matthews (9-10)	#63
Sat, Sep 5th	@ COL	Mason Adams (0-1)	#382	vs MIN	Taj Bradley (11-6)	#35
Sun, Sep 6th	@ COL	Tanner Gordon (1-5)	#384	vs MIN	Bailey Ober (7-6)	#72
Tue, Sep 8th	@ SF	Landen Roupp (9-14)	#91	vs PIT	Bubba Chandler (8-9)	#123
Wed, Sep 9th	@ SF	Blade Tidwell (1-2)	#353	vs PIT	Lake Bachar (1-4)	#261
Thu, Sep 10th				vs PIT	Jared Jones (4-6)	#37
Fri, Sep 11th	vs CWS	Anthony Kay (9-9)	#133	@ STL	Matthew Liberatore (5-14)	#83
Sat, Sep 12th	vs CWS	Sean Newcomb (2-4)	#230	@ STL	Kyle Leahy (10-4)	#64
Sun, Sep 13th	vs CWS	David Sandlin (2-2)	#289	@ STL	Michael McGreevy (7-9)	#93
Mon, Sep 14th	vs SF	Landen Roupp (9-14)	#91	@ CLE	Gavin Williams (13-8)	#18
Tue, Sep 15th	vs SF	Blade Tidwell (1-2)	#353	@ CLE	Foster Griffin (15-5)	#57
Wed, Sep 16th	vs SF	Anthony Molina (3-1)	#294	@ CLE	Parker Messick (12-9)	#31
Thu, Sep 17th				vs DET	Framber Valdez (10-11)	#42
Fri, Sep 18th	vs WSH	Cade Cavalli (12-5)	#36	vs DET	Andrew Sears (0-1)	#236
Sat, Sep 19th	vs WSH	Andrew Alvarez (2-6)	#151	vs DET	Jackson Jobe (2-2)	#211
Sun, Sep 20th	vs WSH	Jake Irvin (2-9)	#247	vs DET	Troy Melton (8-4)	#73
Tue, Sep 22nd	@ PIT	Jared Jones (4-6)	#37	@ KC	Daniel Lynch (6-5)	#276
Wed, Sep 23rd	@ PIT	Khristian Curtis (2-0)	#352	@ KC	Seth Lugo (7-9)	#116
Thu, Sep 24th	@ PIT	Paul Skenes (10-11)	#5	@ KC	Randy Dobnak (3-4)	#371
Fri, Sep 25th	@ MIL	Robert Gasser (4-5)	#67	vs COL	Ryan Feltner (6-10)	#389
Sat, Sep 26th	@ MIL	Jacob Misiorowski (15-5)	#6	vs COL
Sun, Sep 27th	@ MIL			vs COL
Mon, Apr 13th	vs CLE	Gavin Williams (13-8)	#18
Mon, Apr 20th	@ MIA	Max Meyer (9-1)
Thu, Apr 30th	@ PIT	Paul Skenes (10-11)	#5
Thu, May 7th	@ SD	Michael King (12-9)	#59
Thu, May 21st	vs PIT	Braxton Ashcraft (14-6)
Thu, Jun 11th	@ NYM	Christian Scott (4-5)	#43
Mon, Jun 15th	vs SD	Wandy Peralta (3-3)	#200
Mon, Jul 6th	vs MIL	Shane Drohan (7-5)	#68
Thu, Jul 23rd	vs ARI	Brandon Pfaadt (7-3)	#94
Mon, Aug 3rd	@ NYY	Cam Schlittler (14-6)	#13
Mon, Aug 10th	vs PHI	Andrew Painter (3-9)	#118
Thu, Aug 27th	vs BAL	Trevor Rogers (10-10)	#55
Mon, Sep 7th	@ SF	Logan Webb (8-9)	#30