Who Should I Trade?

Luis Peralta for Riley O'Brien (2026)

Summary
Stats
Projections
News & Notes
Schedule

Who Should I Trade? Player Summaries
	Experts' Pick
	Riley O'Brien RP - STL	Luis Peralta RP - CHC
Expert Recommendation	100% Recommended by 6 of 6 experts	0% Recommended by 0 of 6 experts
Rankings

Rest of Season	# 71	‐
VBR	# 315	‐

Projections

Strikeouts	26	9
Wins	1	1
Saves	11	0
ERA	3.73	4.86
WHIP	1.39	1.62

Misc

Injury Alert	-	MiLB

Expert Ranks

Scott Pianowski Yahoo! Sports	# 62	‐

Dalton Del Don The Deep Shot	# 72	‐

Chris Welsh FantasyPros	# 78	‐

Mike Maher BettingPros	# 76	‐

Kelly Kirby FantasyPros	# 119	‐

Kevin Spinelli KevScores	# 96	‐

Who Should I Trade? Player Statistics
	Riley O'Brien RP - STL	Luis Peralta RP - CHC
2026 Stats


Games Played	40	‐

Games Started	0	‐

Innings Pitched	40.1	‐

Wins	3	‐

Losses	3	‐

Saves	25	‐

Blown Saves	4	‐

Holds	1	‐

Hits Allowed	32	‐

Earned Runs	15	‐

Home Runs Allowed	2	‐

Strikeouts	40	‐

Walks	14	‐

ERA	3.35	‐

WHIP	1.14	‐

Who Should I Trade? Player Projections
	Riley O'Brien RP - STL	Luis Peralta RP - CHC
2026 Projections


Games Played	28	22

Games Started	0	0

Innings Pitched	25.4	9.3

Wins	1	1

Losses	1	1

Saves	11	0

Blown Saves	0	1

Holds	2	1

Hits Allowed	23	9

Earned Runs	11	5

Home Runs Allowed	2	1

Strikeouts	26	9

Walks	11	5

ERA	3.73	4.86

WHIP	1.39	1.62

Who Should I Trade? Player Notes
	Riley O'Brien RP - STL	Luis Peralta RP - CHC
News
	Riley O'Brien allowed one hit and one walk while striking out one in a scoreless appearance to earn the save in a 5-4 win over the Diamondbacks. Chase Davis Sat, Jul 18th	The Cardinals claimed Luis Peralta off waivers from the Rockies. Ari Koslow Mon, Apr 27th
	Riley O'Brien struck out one batter while allowing no hits and one walk in a scoreless outing to earn the save in Saturday's 4-1 win over Atlanta. Chase Davis Sun, Jul 12th	The Rockies designated LHP Luis Peralta for assignment. Ari Koslow Tue, Apr 21st
	Riley O'Brien struck out two batters in a scoreless outing to earn the save in Friday's 2-1 win over the Braves. Chase Davis Sat, Jul 11th	The Rockies optioned LHP Luis Peralta to Triple-A Albuquerque. Ari Koslow Sun, Mar 8th
	Riley O'Brien struck out one batter while allowing one walk over a scoreless frame to earn the save in Saturday's 3-0 win over the Cubs. Chase Davis Sun, Jul 5th
	Riley O'Brien allowed one hit in a scoreless frame to earn the save in Tuesday's 5-3 win over Atlanta. Chase Davis Wed, Jul 1st
Notes
There are no recent notes for these players

Who Should I Trade? Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	Riley O'Brien RP - STL			Luis Peralta RP - CHC
Thu, Mar 26th	vs TB	Drew Rasmussen (7-5)	#20	vs WSH	Cade Cavalli (6-4)	#68
Sat, Mar 28th	vs TB	Joe Boyle (0-1)	#167	vs WSH	Miles Mikolas (3-7)	#312
Sun, Mar 29th	vs TB	Steven Matz (4-4)	#197	vs WSH	Jake Irvin (2-4)	#200
Mon, Mar 30th	vs NYM	Clay Holmes (4-4)	#111	vs LAA	Ryan Johnson (1-4)	#170
Tue, Mar 31st	vs NYM	Kodai Senga (0-7)	#152	vs LAA	Jose Soriano (8-6)	#47
Wed, Apr 1st	vs NYM	Freddy Peralta (5-8)	#35	vs LAA	Yusei Kikuchi (0-3)	#142
Fri, Apr 3rd	@ DET	Framber Valdez (5-6)	#29	@ CLE	Joey Cantillo (8-4)	#83
Sun, Apr 5th	@ DET	Keider Montero (6-5)	#157	@ CLE	Parker Messick (8-5)	#41
Mon, Apr 6th	@ WSH	Zack Littell (7-7)	#168	@ TB	Shane McClanahan (8-5)	#33
Tue, Apr 7th	@ WSH	Cade Cavalli (6-4)	#68	@ TB	Mason Englert (0-3)	#146
Wed, Apr 8th	@ WSH	Miles Mikolas (3-7)	#312	@ TB	Joe Boyle (0-1)	#167
Fri, Apr 10th	vs BOS	Connelly Early (7-5)	#143	vs PIT	Carmen Mlodzinski (6-3)	#121
Sat, Apr 11th	vs BOS	Ranger Suarez (4-3)	#24	vs PIT	Braxton Ashcraft (9-3)	#25
Sun, Apr 12th	vs BOS	Brayan Bello (2-6)	#141	vs PIT	Bubba Chandler (3-8)	#129
Mon, Apr 13th	vs CLE	Gavin Williams (10-5)	#26	@ PHI	Cristopher Sanchez (11-4)	#4
Tue, Apr 14th	vs CLE	Joey Cantillo (8-4)	#83	@ PHI	Aaron Nola (3-7)	#53
Wed, Apr 15th	vs CLE	Slade Cecconi (4-6)	#112	@ PHI	Jesus Luzardo (9-4)	#11
Fri, Apr 17th	@ HOU	Peter Lambert (8-5)	#164	vs NYM	Kodai Senga (0-7)	#152
Sat, Apr 18th	@ HOU	Lance McCullers Jr. (2-3)	#189	vs NYM	Freddy Peralta (5-8)	#35
Sun, Apr 19th	@ HOU	Mike Burrows (4-9)	#181	vs NYM	Tobias Myers (0-2)	#230
Mon, Apr 20th	@ MIA	Max Meyer (9-1)	#42	vs PHI	Aaron Nola (3-7)	#53
Tue, Apr 21st	@ MIA	Chris Paddack (0-7)		vs PHI	Jesus Luzardo (9-4)	#11
Wed, Apr 22nd	@ MIA	Janson Junk (4-5)	#110	vs PHI	Kyle Backhus
Thu, Apr 23rd				vs PHI	Cristopher Sanchez (11-4)	#4
Fri, Apr 24th	vs SEA	George Kirby (7-8)	#18	@ LAD	Emmet Sheehan (4-6)	#43
Sat, Apr 25th	vs SEA	Bryan Woo (7-6)	#13	@ LAD	Roki Sasaki (3-5)	#117
Sun, Apr 26th	vs SEA	Emerson Hancock (6-4)	#92	@ LAD	Justin Wrobleski (10-2)	#82
Mon, Apr 27th	@ PIT	Mason Montgomery (2-3)	#116	@ SD	Randy Vasquez (6-6)	#300
Tue, Apr 28th	@ PIT	Braxton Ashcraft (9-3)	#25	@ SD	Walker Buehler (5-5)	#180
Wed, Apr 29th	@ PIT	Bubba Chandler (3-8)	#129	@ SD	Matt Waldron (1-2)	#289
Fri, May 1st	vs LAD	Emmet Sheehan (4-6)	#43	vs ARI	Zac Gallen (3-9)	#172
Sat, May 2nd	vs LAD	Roki Sasaki (3-5)	#117	vs ARI	Ryne Nelson (3-5)	#211
Sun, May 3rd	vs LAD	Justin Wrobleski (10-2)	#82	vs ARI	Merrill Kelly (7-8)	#118
Mon, May 4th	vs MIL	Chad Patrick (5-4)	#127	vs CIN	Chase Petty (1-2)	#389
Tue, May 5th				vs CIN	Andrew Abbott (5-5)	#90
Wed, May 6th	vs MIL	Brandon Sproat (3-4)	#125	vs CIN	Brady Singer (4-9)	#159
Thu, May 7th	@ SD	Michael King (6-7)	#51	vs CIN	Rhett Lowder (3-7)	#210
Fri, May 8th	@ SD	Griffin Canning (1-8)	#145	@ TEX	Kumar Rocker (2-8)	#103
Sat, May 9th	@ SD	Randy Vasquez (6-6)	#300	@ TEX	Jack Leiter (3-7)	#114
Sun, May 10th	@ SD	Walker Buehler (5-5)	#180	@ TEX	Jacob deGrom (7-5)	#9
Tue, May 12th	@ ATH	Jeffrey Springs (3-9)	#183	@ ATL	Grant Holmes (5-4)	#148
Wed, May 13th	@ ATH	J.T. Ginn (8-6)	#156	@ ATL	JR Ritchie (1-2)	#219
Thu, May 14th	@ ATH	Jacob Lopez (4-3)	#204	@ ATL	Chris Sale (10-6)	#7
Fri, May 15th	vs KC	Michael Wacha (5-7)	#72	@ CWS	Sean Burke (6-4)	#87
Sat, May 16th	vs KC	Noah Cameron (5-7)	#77	@ CWS	Davis Martin (9-5)	#100
Sun, May 17th	vs KC	Stephen Kolek (4-3)	#177	@ CWS	Erick Fedde (5-6)	#405
Mon, May 18th				vs MIL	Brandon Sproat (3-4)	#125
Tue, May 19th	vs PIT	Mitch Keller (6-7)	#113	vs MIL	Jacob Misiorowski (10-4)	#6
Wed, May 20th	vs PIT	Carmen Mlodzinski (6-3)	#121	vs MIL	Kyle Harrison (8-2)	#58
Fri, May 22nd				vs HOU	Spencer Arrighetti (7-5)	#138
Sat, May 23rd	@ CIN	Chase Petty (1-2)	#389	vs HOU	Kai-Wei Teng (4-6)	#248
Sun, May 24th				vs HOU	Peter Lambert (8-5)	#164
Mon, May 25th	@ MIL	Jacob Misiorowski (10-4)	#6	@ PIT	Carmen Mlodzinski (6-3)	#121
Tue, May 26th	@ MIL	Kyle Harrison (8-2)	#58	@ PIT	Braxton Ashcraft (9-3)	#25
Wed, May 27th	@ MIL	Chad Patrick (5-4)	#127	@ PIT	Bubba Chandler (3-8)	#129
Thu, May 28th				@ PIT	Paul Skenes (8-8)	#3
Fri, May 29th	vs CHC	Shota Imanaga (5-8)	#30	@ STL	Andre Pallante (10-6)	#137
Sat, May 30th	vs CHC	Ben Brown (4-2)	#91	@ STL	Kyle Leahy (7-4)	#130
Sun, May 31st	vs CHC	Jordan Wicks (0-2)	#231	@ STL	Matthew Liberatore (5-6)	#120
Tue, Jun 2nd	vs TEX	Nathan Eovaldi (9-7)	#17	vs ATH	Gage Jump (3-5)	#99
Wed, Jun 3rd	vs TEX	MacKenzie Gore (6-8)	#37	vs ATH	Jeffrey Springs (3-9)	#183
Thu, Jun 4th				vs ATH	J.T. Ginn (8-6)	#156
Fri, Jun 5th	vs CIN	Brady Singer (4-9)	#159	vs SF	Robbie Ray (8-6)	#86
Sat, Jun 6th	vs CIN	Nick Lodolo (3-2)	#101	vs SF	Landen Roupp (7-8)	#59
Sun, Jun 7th	vs CIN	Rhett Lowder (3-7)	#210	vs SF	Trevor McDonald (3-7)	#173
Tue, Jun 9th	@ NYM	Freddy Peralta (5-8)	#35	@ COL	Tomoyuki Sugano (9-4)	#438
Wed, Jun 10th	@ NYM	Austin Warren		@ COL	Michael Lorenzen (3-9)	#430
Thu, Jun 11th	@ NYM	Christian Scott (3-1)	#66	@ COL	Ryan Feltner (3-3)	#437
Fri, Jun 12th	@ MIN	Joe Ryan (6-5)	#14	@ SF	Landen Roupp (7-8)	#59
Sat, Jun 13th	@ MIN	Connor Prielipp (2-5)	#128	@ SF	Trevor McDonald (3-7)	#173
Sun, Jun 14th	@ MIN	Taj Bradley (9-4)	#48	@ SF	Logan Webb (5-7)	#15
Mon, Jun 15th	vs SD	Wandy Peralta (1-1)	#214	vs COL	Michael Lorenzen (3-9)	#430
Tue, Jun 16th	vs SD	Michael King (6-7)	#51	vs COL	Ryan Feltner (3-3)	#437
Wed, Jun 17th	vs SD	Bradgley Rodriguez (2-2)	#147	vs COL	Sean Sullivan (0-3)	#434
Fri, Jun 19th	@ KC	Seth Lugo (3-6)	#122	vs TOR	Kevin Gausman (4-8)	#23
Sat, Jun 20th				vs TOR	Patrick Corbin (3-4)	#223
Tue, Jun 23rd	vs ARI	Eduardo Rodriguez (8-3)	#115	@ NYM	Kodai Senga (0-7)	#152
Wed, Jun 24th	vs ARI	Mitch Bratt (0-0)	#198	@ NYM	Sean Manaea (2-5)	#69
Thu, Jun 25th				@ NYM	Freddy Peralta (5-8)	#35
Fri, Jun 26th	vs MIA	Max Meyer (9-1)	#42	@ MIL	Jacob Misiorowski (10-4)	#6
Sat, Jun 27th	vs MIA	Ryan Gusto (0-2)	#179	@ MIL	Kyle Harrison (8-2)	#58
Sun, Jun 28th	vs MIA	Tyler Phillips (2-4)	#276	@ MIL	Brandon Woodruff (2-2)	#160
Mon, Jun 29th				vs SD	Griffin Canning (1-8)	#145
Tue, Jun 30th	@ ATL	Martin Perez (6-6)	#240	vs SD	JP Sears (2-2)	#175
Wed, Jul 1st	@ ATL	Reynaldo Lopez (4-2)	#76	vs SD	Walker Buehler (5-5)	#180
Fri, Jul 3rd	@ CHC	David Peterson (4-7)	#85	vs STL	Andre Pallante (10-6)	#137
Sat, Jul 4th	@ CHC	Shota Imanaga (5-8)	#30	vs STL	Kyle Leahy (7-4)	#130
Sun, Jul 5th	@ CHC	Javier Assad (6-1)	#193	vs STL	Matthew Liberatore (5-6)	#120
Tue, Jul 7th	vs MIL	Robert Gasser (2-4)	#136	@ BAL	Shane Baz (4-9)	#70
Wed, Jul 8th	vs MIL	Kyle Harrison (8-2)	#58	@ BAL	Dean Kremer (1-2)	#81
Thu, Jul 9th	vs MIL	Logan Henderson (3-1)	#56	@ BAL	Trevor Rogers (6-7)	#78
Fri, Jul 10th	vs ATL	Chris Sale (10-6)	#7	@ CIN	Hunter Greene (1-1)	#16
Sat, Jul 11th	vs ATL	Reynaldo Lopez (4-2)	#76	@ CIN	Nick Lodolo (3-2)	#101
Sun, Jul 12th	vs ATL	Danny Young		@ CIN	Andrew Abbott (5-5)	#90
Fri, Jul 17th	@ ARI	Merrill Kelly (7-8)	#118	vs MIN	Bailey Ober (7-3)	#95
Sat, Jul 18th	@ ARI	Brandon Pfaadt (4-1)	#79	vs MIN	Taj Bradley (9-4)	#48
Sun, Jul 19th	@ ARI	Eduardo Rodriguez (8-3)	#115	vs MIN	Zebby Matthews (4-6)	#109
Mon, Jul 20th	@ LAA	Jose Soriano (8-6)	#47	vs DET	Jack Flaherty (3-8)	#54
Tue, Jul 21st	@ LAA	Walbert Urena (5-7)	#272	vs DET	Framber Valdez (5-6)	#29
Wed, Jul 22nd	@ LAA	Reid Detmers (3-6)	#36	vs DET	Keider Montero (6-5)	#157
Fri, Jul 24th	vs CIN	Rhett Lowder (3-7)	#210	@ PIT	Jared Jones (2-1)	#60
Sat, Jul 25th	vs CIN	Hunter Greene (1-1)	#16	@ PIT	Paul Skenes (8-8)	#3
Sun, Jul 26th	vs CIN	Andrew Abbott (5-5)	#90	@ PIT	Mitch Keller (6-7)	#113
Mon, Jul 27th	vs CHC	David Peterson (4-7)	#85	@ STL	Michael McGreevy (4-7)	#80
Tue, Jul 28th	vs CHC	Colin Rea (7-6)	#194	@ STL	Dustin May (5-7)	#52
Wed, Jul 29th	vs CHC			@ STL
Thu, Jul 30th	vs CHC			@ STL
Fri, Jul 31st	@ TOR			vs NYY
Sat, Aug 1st	@ TOR			vs NYY
Sun, Aug 2nd	@ TOR			vs NYY
Mon, Aug 3rd	@ NYY			vs LAD
Tue, Aug 4th	@ NYY			vs LAD
Wed, Aug 5th	@ NYY			vs LAD
Thu, Aug 6th				vs TOR	Dylan Cease (6-4)	#10
Fri, Aug 7th	vs COL			@ KC
Sat, Aug 8th	vs COL			@ KC
Sun, Aug 9th	vs COL			@ KC
Tue, Aug 11th	vs PHI			@ WSH
Wed, Aug 12th	vs PHI			@ WSH
Thu, Aug 13th				@ WSH
Fri, Aug 14th	@ CHC			vs STL
Sat, Aug 15th	@ CHC			vs STL
Sun, Aug 16th	@ CHC			vs STL
Mon, Aug 17th	@ CIN			vs CWS
Tue, Aug 18th	@ CIN			vs CWS
Wed, Aug 19th	@ CIN			vs CWS
Fri, Aug 21st	@ PHI			@ SEA
Sat, Aug 22nd	@ PHI			@ SEA
Sun, Aug 23rd	@ PHI			@ SEA
Mon, Aug 24th				@ ARI
Tue, Aug 25th	vs BAL			@ ARI
Wed, Aug 26th	vs BAL			@ ARI
Fri, Aug 28th	vs PIT			vs CIN
Sat, Aug 29th	vs PIT			vs CIN
Sun, Aug 30th	vs PIT			vs CIN
Mon, Aug 31st				vs MIL
Tue, Sep 1st	@ LAD			vs MIL
Wed, Sep 2nd	@ LAD			vs MIL
Thu, Sep 3rd	@ LAD			vs MIL
Fri, Sep 4th	@ COL			@ MIA
Sat, Sep 5th	@ COL			@ MIA
Sun, Sep 6th	@ COL			@ MIA
Mon, Sep 7th	@ SF			@ MIL
Tue, Sep 8th	@ SF			@ MIL
Wed, Sep 9th	@ SF			@ MIL
Fri, Sep 11th	vs CWS			vs PIT
Sat, Sep 12th	vs CWS			vs PIT
Sun, Sep 13th	vs CWS			vs PIT
Mon, Sep 14th	vs SF			vs ATL
Tue, Sep 15th	vs SF			vs ATL
Wed, Sep 16th	vs SF			vs ATL
Fri, Sep 18th	vs WSH			@ CIN
Sat, Sep 19th	vs WSH			@ CIN
Sun, Sep 20th	vs WSH			@ CIN
Tue, Sep 22nd	@ PIT			vs MIA
Wed, Sep 23rd	@ PIT			vs MIA
Thu, Sep 24th	@ PIT			vs MIA
Fri, Sep 25th	@ MIL			@ BOS
Sat, Sep 26th	@ MIL			@ BOS
Sun, Sep 27th	@ MIL			@ BOS
Sat, Apr 4th	@ DET	Jack Flaherty (3-8)	#54
Thu, Apr 30th	@ PIT	Paul Skenes (8-8)	#3
Thu, May 21st	vs PIT	Braxton Ashcraft (9-3)	#25
Mon, Jun 1st	vs TEX	Jacob deGrom (7-5)	#9
Thu, Jun 18th	@ KC	Noah Cameron (5-7)	#77
Sun, Jun 21st	@ KC	Stephen Kolek (4-3)	#177
Mon, Jun 22nd	vs ARI	Merrill Kelly (7-8)	#118
Thu, Jul 2nd	@ ATL	Hurston Waldrep (0-1)	#228
Mon, Jul 6th	vs MIL	Shane Drohan (5-3)	#93
Thu, Jul 23rd	vs ARI	Brandon Pfaadt (4-1)	#79
Mon, Aug 10th	vs PHI
Thu, Aug 20th	@ CIN
Thu, Aug 27th	vs BAL

Who Should I Trade?

Luis Peralta for Riley O'Brien (2026)

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