Riley O'Brien or Rob Zastryzny

Baseball Stats Comparison

Stats
Projections
News & Notes
Schedule

Riley O'Brien or Rob Zastryzny Player Statistics
	Riley O'Brien RP - STL	Rob Zastryzny RP - MIL
2026 Stats


Games Played	66	‐

Games Started	0	‐

Innings Pitched	64.0	‐

Wins	3	‐

Losses	9	‐

Saves	38	‐

Blown Saves	8	‐

Holds	1	‐

Hits Allowed	53	‐

Earned Runs	29	‐

Home Runs Allowed	5	‐

Strikeouts	64	‐

Walks	29	‐

ERA	4.08	‐

WHIP	1.28	‐

Riley O'Brien or Rob Zastryzny Player Projections
	Riley O'Brien RP - STL	Rob Zastryzny RP - MIL
2026 Projections


Games Played	59	42

Games Started	0	1

Innings Pitched	60.2	41.5

Wins	3	2

Losses	3	2

Saves	14	0

Blown Saves	1	0

Holds	11	4

Hits Allowed	52	39

Earned Runs	26	21

Home Runs Allowed	5	6

Strikeouts	63	39

Walks	27	16

ERA	3.92	4.61

WHIP	1.31	1.34

Riley O'Brien or Rob Zastryzny Player Notes
	Riley O'Brien RP - STL	Rob Zastryzny RP - MIL
News
	Riley O'Brien needed just six pitches to record a scoreless frame and earn the save in Sunday's 5-3 win over the Nationals. Chase Davis Mon, Sep 21st	The Brewers sent LHP Rob Zastryzny outright to Triple-A Nashville. Ari Koslow Mon, Sep 21st
	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	Rob Zastryzny will make his next rehab appearance on Wednesday. Ari Koslow Tue, Sep 15th
	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	Rob Zastryzny was sent to Triple-A Nashville on a rehab assignment. Ari Koslow 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	Rob Zastryzny was pulled from his rehab assignment due to recurring symptoms. Ari Koslow Thu, Aug 20th
	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 Milwaukee Brewers have transferred reliever Rob Zastryzny (trap) to the 60-day injured list. Brenton Kemp Wed, Jul 15th
Notes
There are no recent notes for these players

Riley O'Brien or Rob Zastryzny Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	Riley O'Brien RP - STL			Rob Zastryzny RP - MIL
Thu, Mar 26th	vs TB	Drew Rasmussen (16-5)	#26	vs CWS	Shane Smith (0-2)
Sat, Mar 28th	vs TB	Joe Boyle (0-1)		vs CWS	Sean Burke (11-7)	#58
Sun, Mar 29th	vs TB	Steven Matz (6-6)	#201	vs CWS	Anthony Kay (9-9)	#121
Mon, Mar 30th	vs NYM	Clay Holmes (6-8)	#83	vs TB	Nick Martinez (15-5)	#208
Tue, Mar 31st	vs NYM	Kodai Senga (0-9)	#163	vs TB	Shane McClanahan (10-7)
Wed, Apr 1st	vs NYM	Freddy Peralta (10-11)	#51	vs TB	Drew Rasmussen (16-5)	#26
Fri, Apr 3rd	@ DET	Framber Valdez (10-12)	#53
Sat, Apr 4th	@ DET	Jack Flaherty (3-8)	#179	@ KC	Seth Lugo (7-9)	#184
Sun, Apr 5th	@ DET	Keider Montero (10-9)	#188	@ KC	Kris Bubic (4-2)	#74
Mon, Apr 6th	@ WSH	Zack Littell (8-8)		@ BOS	Brayan Bello (6-7)	#111
Tue, Apr 7th	@ WSH	Cade Cavalli (13-5)	#34	@ BOS	Garrett Crochet (3-3)
Wed, Apr 8th	@ WSH	Miles Mikolas (3-9)		@ BOS	Sonny Gray (18-5)	#45
Fri, Apr 10th	vs BOS	Connelly Early (7-5)	#76	vs WSH	Jake Irvin (2-10)	#213
Sat, Apr 11th	vs BOS	Ranger Suarez (8-5)	#70	vs WSH	Foster Griffin (15-6)	#54
Sun, Apr 12th	vs BOS	Brayan Bello (6-7)	#111	vs WSH	Zack Littell (8-8)
Mon, Apr 13th	vs CLE	Gavin Williams (14-8)	#20
Tue, Apr 14th	vs CLE	Joey Cantillo (11-9)	#63	vs TOR	Kevin Gausman (9-12)	#36
Wed, Apr 15th	vs CLE	Slade Cecconi (5-7)	#164	vs TOR	Dylan Cease (11-6)
Fri, Apr 17th	@ HOU	Peter Lambert (8-10)	#185	@ MIA	Janson Junk (6-9)	#138
Sat, Apr 18th	@ HOU	Lance McCullers Jr. (2-3)		@ MIA	Sandy Alcantara (13-11)	#77
Sun, Apr 19th	@ HOU	Mike Burrows (4-9)		@ MIA	Eury Perez (8-11)	#22
Mon, Apr 20th	@ MIA	Max Meyer (9-1)
Tue, Apr 21st	@ MIA	Chris Paddack (0-7)		@ DET	Keider Montero (10-9)	#188
Wed, Apr 22nd	@ MIA	Janson Junk (6-9)	#138	@ DET	Casey Mize (6-10)	#47
Fri, Apr 24th	vs SEA	George Kirby (9-11)	#33	vs PIT	Paul Skenes (10-11)	#14
Sat, Apr 25th	vs SEA	Bryan Woo (12-10)	#13	vs PIT	Mitch Keller (6-8)
Sun, Apr 26th	vs SEA	Emerson Hancock (7-8)	#135	vs PIT	Carmen Mlodzinski (8-7)	#52
Mon, Apr 27th	@ PIT	Mason Montgomery (6-4)	#86
Tue, Apr 28th	@ PIT	Braxton Ashcraft (14-6)		vs ARI	Merrill Kelly (10-14)	#146
Wed, Apr 29th	@ PIT	Bubba Chandler (8-10)	#59	vs ARI	Eduardo Rodriguez (16-7)	#191
Thu, Apr 30th	@ PIT	Paul Skenes (10-11)	#14	vs ARI	Michael Soroka (9-5)	#48
Fri, May 1st	vs LAD	Emmet Sheehan (5-8)	#65	@ WSH	Jake Irvin (2-10)	#213
Sat, May 2nd	vs LAD	Roki Sasaki (5-5)	#102	@ WSH	Foster Griffin (15-6)	#54
Sun, May 3rd	vs LAD	Justin Wrobleski (12-5)	#50	@ WSH	PJ Poulin (3-0)
Mon, May 4th	vs MIL	Chad Patrick (9-4)	#161	@ STL	Kyle Leahy (10-5)	#79
Wed, May 6th	vs MIL	Brandon Sproat (3-7)		@ STL	Andre Pallante (12-8)	#87
Thu, May 7th	@ SD	Michael King (12-10)	#55
Fri, May 8th	@ SD	Griffin Canning (4-9)		vs NYY	Max Fried (5-5)	#21
Sat, May 9th	@ SD	Randy Vasquez (10-6)	#245	vs NYY	Cam Schlittler (14-6)	#9
Sun, May 10th	@ SD	Walker Buehler (9-6)	#90	vs NYY	Carlos Rodon (7-3)	#32
Tue, May 12th	@ ATH	Jeffrey Springs (4-14)	#267	vs SD	Bradgley Rodriguez (4-3)	#133
Wed, May 13th	@ ATH	J.T. Ginn (9-8)		vs SD	Michael King (12-10)	#55
Thu, May 14th	@ ATH	Jacob Lopez (7-5)	#251	vs SD	Griffin Canning (4-9)
Fri, May 15th	vs KC	Michael Wacha (9-10)	#99	@ MIN	Joe Ryan (7-10)	#25
Sat, May 16th	vs KC	Noah Cameron (9-8)	#91	@ MIN	Connor Prielipp (6-7)	#110
Sun, May 17th	vs KC	Stephen Kolek (4-3)		@ MIN	Bailey Ober (7-7)	#155
Tue, May 19th	vs PIT	Mitch Keller (6-8)		@ CHC	Ben Brown (4-2)
Wed, May 20th	vs PIT	Carmen Mlodzinski (8-7)	#52	@ CHC	Edward Cabrera (5-5)	#126
Thu, May 21st	vs PIT	Braxton Ashcraft (14-6)
Sat, May 23rd	@ CIN	Chase Petty (1-2)	#268	vs LAD	Roki Sasaki (5-5)	#102
Mon, May 25th	@ MIL	Jacob Misiorowski (15-5)	#7	vs STL	Matthew Liberatore (6-14)	#95
Tue, May 26th	@ MIL	Kyle Harrison (11-5)	#62	vs STL	Michael McGreevy (7-9)	#109
Wed, May 27th	@ MIL	Chad Patrick (9-4)	#161	vs STL	Dustin May (7-9)	#35
Fri, May 29th	vs CHC	Shota Imanaga (11-10)	#49	@ HOU	Kai-Wei Teng (5-7)	#220
Sat, May 30th	vs CHC	Ben Brown (4-2)		@ HOU	Peter Lambert (8-10)	#185
Sun, May 31st	vs CHC	Jordan Wicks (0-2)		@ HOU	Tatsuya Imai (6-4)	#231
Mon, Jun 1st	vs TEX	Jacob deGrom (11-11)	#12	vs SF	Landen Roupp (9-14)
Tue, Jun 2nd	vs TEX	Nathan Eovaldi (11-10)	#66	vs SF	Trevor McDonald (3-7)
Wed, Jun 3rd	vs TEX	MacKenzie Gore (8-11)	#39	vs SF	Logan Webb (8-9)
Fri, Jun 5th	vs CIN	Brady Singer (6-15)	#221	@ COL	Ryan Feltner (7-10)	#230
Sat, Jun 6th	vs CIN	Nick Lodolo (3-6)	#169	@ COL	Zach Agnos (0-2)	#279
Sun, Jun 7th	vs CIN	Rhett Lowder (7-12)	#200	@ COL	Kyle Freeland (4-11)	#187
Tue, Jun 9th	@ NYM	Freddy Peralta (10-11)	#51	@ ATH	J.T. Ginn (9-8)
Wed, Jun 10th	@ NYM	Austin Warren		@ ATH	Jack Perkins (3-13)	#171
Thu, Jun 11th	@ NYM	Christian Scott (4-5)
Fri, Jun 12th	@ MIN	Joe Ryan (7-10)	#25	vs PHI	Tanner Banks
Sat, Jun 13th	@ MIN	Connor Prielipp (6-7)	#110	vs PHI	Aaron Nola (7-12)	#68
Sun, Jun 14th	@ MIN	Taj Bradley (12-6)	#44	vs PHI	Cristopher Sanchez (18-7)	#6
Mon, Jun 15th	vs SD	Wandy Peralta (3-3)	#264
Tue, Jun 16th	vs SD	Michael King (12-10)	#55	vs CLE	Slade Cecconi (5-7)	#164
Wed, Jun 17th	vs SD	Bradgley Rodriguez (4-3)	#133	vs CLE	Gavin Williams (14-8)	#20
Thu, Jun 18th	@ KC	Noah Cameron (9-8)	#91	vs CLE	Parker Messick (12-9)	#29
Fri, Jun 19th	@ KC	Seth Lugo (7-9)	#184	@ ATL	Martin Perez (9-9)	#82
Sun, Jun 21st	@ KC	Stephen Kolek (4-3)		@ ATL	Bryce Elder (8-8)
Mon, Jun 22nd	vs ARI	Merrill Kelly (10-14)	#146	@ CIN	Brady Singer (6-15)	#221
Tue, Jun 23rd	vs ARI	Eduardo Rodriguez (16-7)	#191	@ CIN	Nick Lodolo (3-6)	#169
Wed, Jun 24th	vs ARI	Mitch Bratt (1-3)		@ CIN	Rhett Lowder (7-12)	#200
Fri, Jun 26th	vs MIA	Max Meyer (9-1)		vs CHC	Colin Rea (8-8)	#262
Sat, Jun 27th	vs MIA	Ryan Gusto (1-5)	#142	vs CHC	David Peterson (9-8)	#61
Sun, Jun 28th	vs MIA	Tyler Phillips (5-6)	#247	vs CHC	Ryan Rolison
Tue, Jun 30th	@ ATL	Martin Perez (9-9)	#82	vs CIN	Rhett Lowder (7-12)	#200
Wed, Jul 1st	@ ATL	Reynaldo Lopez (4-5)		vs CIN	Andrew Abbott (6-11)	#149
Thu, Jul 2nd	@ ATL	Hurston Waldrep (0-1)		vs CIN	Chase Burns (15-3)
Fri, Jul 3rd	@ CHC	David Peterson (9-8)	#61	@ ARI
Sat, Jul 4th	@ CHC	Shota Imanaga (11-10)	#49	@ ARI	Merrill Kelly (10-14)	#146
Sun, Jul 5th	@ CHC	Javier Assad (6-2)	#243	@ ARI	Eduardo Rodriguez (16-7)	#191
Mon, Jul 6th	vs MIL	Shane Drohan (7-5)	#128	@ STL	Dustin May (7-9)	#35
Tue, Jul 7th	vs MIL	Robert Gasser (5-5)	#43	@ STL	Hunter Dobbins (3-3)
Wed, Jul 8th	vs MIL	Kyle Harrison (11-5)	#62	@ STL	Michael McGreevy (7-9)	#109
Thu, Jul 9th	vs MIL	Logan Henderson (11-3)	#11	@ STL	Andre Pallante (12-8)	#87
Fri, Jul 10th	vs ATL	Chris Sale (14-9)	#3
Sat, Jul 11th	vs ATL	Reynaldo Lopez (4-5)		@ PIT	Bubba Chandler (8-10)	#59
Sun, Jul 12th	vs ATL	Danny Young		@ PIT	Paul Skenes (10-11)	#14
Fri, Jul 17th	@ ARI	Merrill Kelly (10-14)	#146	vs MIA	Sandy Alcantara (13-11)	#77
Sat, Jul 18th	@ ARI	Brandon Pfaadt (8-3)	#130	vs MIA	Max Meyer (9-1)
Sun, Jul 19th	@ ARI	Eduardo Rodriguez (16-7)	#191	vs MIA	Eury Perez (8-11)	#22
Mon, Jul 20th	@ LAA	Jose Soriano (12-8)	#23	vs NYM	Freddy Peralta (10-11)	#51
Tue, Jul 21st	@ LAA	Walbert Urena (9-11)	#40	vs NYM	Zac Thornton (5-6)	#122
Wed, Jul 22nd	@ LAA	Reid Detmers (7-8)	#16	vs NYM	Christian Scott (4-5)
Thu, Jul 23rd	vs ARI	Brandon Pfaadt (8-3)	#130
Fri, Jul 24th	vs CIN	Rhett Lowder (7-12)	#200	vs COL	Tomoyuki Sugano (12-12)	#263
Sat, Jul 25th	vs CIN	Hunter Greene (2-2)		vs COL	Ryan Feltner (7-10)	#230
Sun, Jul 26th	vs CIN	Andrew Abbott (6-11)	#149	vs COL	Kyle Freeland (4-11)	#187
Mon, Jul 27th	vs CHC	David Peterson (9-8)	#61	@ SF	Tyler Mahle (7-10)	#71
Tue, Jul 28th	vs CHC	Colin Rea (8-8)	#262	@ SF	Landen Roupp (9-14)
Wed, Jul 29th	vs CHC	Matthew Boyd (10-5)	#78	@ SF	Logan Webb (8-9)
Thu, Jul 30th	vs CHC	Javier Assad (6-2)	#243
Fri, Jul 31st	@ TOR	Dylan Cease (11-6)		@ LAA	Ryan Johnson (5-9)	#170
Sat, Aug 1st	@ TOR	Kevin Gausman (9-12)	#36	@ LAA	Brent Suter (3-2)
Sun, Aug 2nd	@ TOR	Max Scherzer (3-9)	#127	@ LAA	Walbert Urena (9-11)	#40
Mon, Aug 3rd	@ NYY	Cam Schlittler (14-6)	#9	vs PIT	Bubba Chandler (8-10)	#59
Tue, Aug 4th	@ NYY	Ryan Weathers (5-8)		vs PIT	Jared Jones (5-6)	#27
Wed, Aug 5th	@ NYY	Will Warren (11-6)	#69	vs PIT	Paul Skenes (10-11)	#14
Fri, Aug 7th	vs COL	Ryan Feltner (7-10)	#230	vs MIN	Zebby Matthews (9-11)	#134
Sat, Aug 8th	vs COL	Kyle Freeland (4-11)	#187	vs MIN	Taj Bradley (12-6)	#44
Sun, Aug 9th	vs COL	Michael Lorenzen (3-13)		vs MIN	Connor Prielipp (6-7)	#110
Mon, Aug 10th	vs PHI	Andrew Painter (3-10)	#125	@ SD	Casey Mize (6-10)	#47
Tue, Aug 11th	vs PHI	Cristopher Sanchez (18-7)	#6	@ SD	Walker Buehler (9-6)	#90
Wed, Aug 12th	vs PHI	Zack Wheeler (13-5)	#5	@ SD	Robbie Ray (13-8)	#198
Fri, Aug 14th	@ CHC	Clay Holmes (6-8)	#83	@ LAD	Yoshinobu Yamamoto (14-9)	#4
Sat, Aug 15th	@ CHC	Matthew Boyd (10-5)	#78	@ LAD	Justin Wrobleski (12-5)	#50
Sun, Aug 16th	@ CHC	Edward Cabrera (5-5)	#126	@ LAD	Tarik Skubal (12-7)	#2
Mon, Aug 17th	@ CIN	Rhett Lowder (7-12)	#200
Tue, Aug 18th	@ CIN	Andrew Abbott (6-11)	#149	vs SEA	Bryce Miller (4-10)	#31
Wed, Aug 19th	@ CIN	Chase Burns (15-3)		vs SEA	Logan Gilbert (12-11)	#8
Thu, Aug 20th	@ CIN	Brady Singer (6-15)	#221	vs SEA	George Kirby (9-11)	#33
Fri, Aug 21st	@ PHI	Jesus Luzardo (14-5)		vs ATL	Chris Sale (14-9)	#3
Sat, Aug 22nd	@ PHI	Andrew Painter (3-10)	#125	vs ATL	Martin Perez (9-9)	#82
Sun, Aug 23rd	@ PHI	Cristopher Sanchez (18-7)	#6	vs ATL	Tyler Mahle (7-10)	#71
Tue, Aug 25th	vs BAL	Chris Bassitt (9-5)	#175	@ NYM	Zac Thornton (5-6)	#122
Wed, Aug 26th	vs BAL	Kyle Bradish (7-14)		@ NYM	Robert Stock (1-3)
Thu, Aug 27th	vs BAL	Trevor Rogers (10-11)	#42	@ NYM	Sean Manaea (6-7)	#46
Fri, Aug 28th	vs PIT	Jared Jones (5-6)	#27	vs TEX	Cody Bradford (0-5)	#139
Sat, Aug 29th	vs PIT	Lake Bachar (1-4)	#156	vs TEX	Cal Quantrill (9-5)
Sun, Aug 30th	vs PIT	Braxton Ashcraft (14-6)		vs TEX	Kumar Rocker (6-11)	#84
Tue, Sep 1st	@ LAD	Eric Lauer (8-7)		@ CHC	Matthew Boyd (10-5)	#78
Wed, Sep 2nd	@ LAD	Yoshinobu Yamamoto (14-9)	#4	@ CHC	David Peterson (9-8)	#61
Thu, Sep 3rd	@ LAD	Tarik Skubal (12-7)	#2	@ CHC	Kevin Gausman (9-12)	#36
Fri, Sep 4th	@ COL	Ryan Feltner (7-10)	#230	@ CIN	Rhett Lowder (7-12)	#200
Sat, Sep 5th	@ COL	Mason Adams (0-2)	#166	@ CIN	Andrew Abbott (6-11)	#149
Sun, Sep 6th	@ COL	Tanner Gordon (1-6)	#222	@ CIN	Brady Singer (6-15)	#221
Mon, Sep 7th	@ SF	Logan Webb (8-9)		vs CHC	Matthew Boyd (10-5)	#78
Tue, Sep 8th	@ SF	Landen Roupp (9-14)		vs CHC	David Peterson (9-8)	#61
Wed, Sep 9th	@ SF	Blade Tidwell (1-2)		vs CHC	Kevin Gausman (9-12)	#36
Fri, Sep 11th	vs CWS	Anthony Kay (9-9)	#121	vs CIN	Andrew Abbott (6-11)	#149
Sat, Sep 12th	vs CWS	Sean Newcomb (2-5)	#151	vs CIN	Brady Singer (6-15)	#221
Sun, Sep 13th	vs CWS	David Sandlin (3-2)	#94	vs CIN	Chase Burns (15-3)
Mon, Sep 14th	vs SF	Landen Roupp (9-14)
Tue, Sep 15th	vs SF	Blade Tidwell (1-2)		@ PIT	Lake Bachar (1-4)	#156
Wed, Sep 16th	vs SF	Anthony Molina (3-2)	#192	@ PIT	Jared Jones (5-6)	#27
Fri, Sep 18th	vs WSH	Cade Cavalli (13-5)	#34	@ BAL	Cade Povich (2-1)	#173
Sat, Sep 19th	vs WSH	Andrew Alvarez (2-6)	#88	@ BAL	Trevor Rogers (10-11)	#42
Sun, Sep 20th	vs WSH	Jake Irvin (2-10)	#213	@ BAL	Brandon Young (9-6)	#168
Tue, Sep 22nd	@ PIT	Jared Jones (5-6)	#27	@ PHI	Zack Wheeler (13-5)	#5
Wed, Sep 23rd	@ PIT	Lake Bachar (1-4)	#156	@ PHI	Aaron Nola (7-12)	#68
Thu, Sep 24th	@ PIT	Paul Skenes (10-11)	#14	@ PHI	Andrew Painter (3-10)	#125
Fri, Sep 25th	@ MIL	Robert Gasser (5-5)	#43	vs STL	Michael McGreevy (7-9)	#109
Sat, Sep 26th	@ MIL	Dustin May (7-9)	#35	vs STL	Quinn Mathews (2-4)	#101
Sun, Sep 27th	@ MIL	Jacob Misiorowski (15-5)	#7	vs STL	Andre Pallante (12-8)	#87
Thu, Apr 16th				vs TOR	Patrick Corbin (3-4)
Thu, Apr 23rd				@ DET	Tarik Skubal (12-7)	#2
Mon, May 18th				@ CHC	Shota Imanaga (11-10)	#49
Fri, May 22nd				vs LAD	Justin Wrobleski (12-5)	#50
Sun, May 24th				vs LAD	Yoshinobu Yamamoto (14-9)	#4
Thu, Jun 4th				vs SF	Adrian Houser (4-7)
Mon, Jun 8th				@ ATH	Jeffrey Springs (4-14)	#267
Sat, Jun 20th				@ ATL	Chris Sale (14-9)	#3
Mon, Jun 29th				vs CIN	Nick Lodolo (3-6)	#169
Thu, Aug 6th				vs PIT	Braxton Ashcraft (14-6)
Thu, Aug 13th				@ LAD	Roki Sasaki (5-5)	#102
Mon, Aug 31st				@ CHC	Clay Holmes (6-8)	#83
Thu, Sep 17th				@ PIT	Wilber Dotel (1-5)	#224