Who Should I Trade?

Ron Marinaccio for Welinton Herrera (2026)

Summary
Stats
Projections
News & Notes
Schedule

Who Should I Trade? Player Summaries
	Experts' Pick
	Ron Marinaccio RP - PIT	Welinton Herrera RP - COL
Expert Recommendation	100% Recommended by 2 of 2 experts	0% Recommended by 0 of 2 experts
Rankings

Rest of Season	# 377	‐
VBR	# 785	‐

Projections

Strikeouts	14	1
Wins	1	0
Saves	0	0
ERA	4.56	7.03
WHIP	1.46	1.56

Misc

Injury Alert	-	IL60

Expert Ranks

Kelly Kirby FantasyPros	# 364	‐

Kevin Spinelli KevScores	# 374	‐

Who Should I Trade? Player Statistics
	Ron Marinaccio RP - PIT	Welinton Herrera RP - COL
2026 Stats


Games Played	36	3

Games Started	0	0

Innings Pitched	50.1	2.1

Wins	1	0

Losses	0	0

Saves	0	0

Blown Saves	0	0

Holds	1	0

Hits Allowed	53	2

Earned Runs	27	0

Home Runs Allowed	10	0

Strikeouts	40	2

Walks	19	1

ERA	4.83	0.00

WHIP	1.43	1.29

Who Should I Trade? Player Projections
	Ron Marinaccio RP - PIT	Welinton Herrera RP - COL
2026 Projections


Games Played	19	1

Games Started	0	0

Innings Pitched	16.1	0.6

Wins	1	0

Losses	1	0

Saves	0	0

Blown Saves	0	0

Holds	3	0

Hits Allowed	15	1

Earned Runs	8	1

Home Runs Allowed	2	0

Strikeouts	14	1

Walks	7	1

ERA	4.56	7.03

WHIP	1.46	1.56

Who Should I Trade? Player Notes
	Ron Marinaccio RP - PIT	Welinton Herrera RP - COL
News
	The Pirates acquired RHP Ron Marinaccio from the Padres for international signing pool money. Ari Koslow Thu, Jul 23rd	Welinton Herrera will undergo season-ending Tommy John surgery. Nicholas Rodriguez Tue, Jun 30th
	The Padres designated Ron Marinaccio for assignment. Ari Koslow Sun, Jul 19th	Welinton Herrera is receiving a second opinion on his UCL tear. Nicholas Rodriguez Sat, Jun 6th
	Ron Marinaccio will be available out of the bullpen for the Padres on Saturday against the Rangers. Ari Koslow Sat, Jun 20th	Welinton Herrera (elbow) has been transferred to the 60-day IL by the Colorado Rockies. The move allows an open spot on the 40-man roster for righthander TJ Shook, who was called up on Monday. David Leisering Mon, Jun 1st
	Ron Marinaccio’s suspension was reduced to two games. Ari Koslow Wed, Jun 17th	The Rockies placed Welinton Herrera on the 15-day injured list with left elbow inflammation. Ari Koslow Sat, May 30th
	The MLB has suspended Ron Marinaccio three games. Ari Koslow Mon, Jun 15th	The Rockies recalled LHP Welinton Herrera from Triple-A Albuquerque. Ari Koslow Mon, May 25th
Notes
There are no recent notes for these players

Who Should I Trade? Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	Ron Marinaccio RP - PIT			Welinton Herrera RP - COL
Thu, Mar 26th	@ NYM	Freddy Peralta (5-9)	#40
Sat, Mar 28th	@ NYM	David Peterson (6-7)	#89	@ MIA	Eury Perez (5-8)	#41
Sun, Mar 29th	@ NYM	Nolan McLean (7-7)	#34	@ MIA	Max Meyer (9-1)	#75
Mon, Mar 30th	@ CIN	Chase Burns (12-1)	#29	@ TOR	Cody Ponce (0-0)
Tue, Mar 31st	@ CIN	Brandon Williamson (2-3)	#350	@ TOR	Max Scherzer (1-4)	#149
Wed, Apr 1st	@ CIN	Andrew Abbott (5-7)	#106	@ TOR	Kevin Gausman (5-10)	#27
Fri, Apr 3rd	vs BAL	Kyle Bradish (7-9)	#45	vs PHI	Aaron Nola (3-9)	#59
Sat, Apr 4th	vs BAL	Shane Baz (4-10)	#70	vs PHI	Jesus Luzardo (9-5)	#11
Sun, Apr 5th	vs BAL	Chris Bassitt (4-4)	#134	vs PHI	Taijuan Walker (1-4)
Mon, Apr 6th	vs SD	German Marquez (4-2)	#334	vs HOU	Cody Bolton (0-1)	#325
Tue, Apr 7th	vs SD	Nick Pivetta (1-2)	#101	vs HOU	Mike Burrows (4-9)	#210
Wed, Apr 8th	vs SD	Michael King (6-7)	#57	vs HOU	Cristian Javier (1-1)	#175
Fri, Apr 10th	@ CHC	Shota Imanaga (7-9)	#23	@ SD	Walker Buehler (6-5)	#213
Sat, Apr 11th	@ CHC	Edward Cabrera (5-4)	#76	@ SD	German Marquez (4-2)	#334
Sun, Apr 12th	@ CHC	Jameson Taillon (2-6)	#220	@ SD	Nick Pivetta (1-2)	#101
Mon, Apr 13th	vs WSH	Cade Cavalli (8-4)	#54
Tue, Apr 14th	vs WSH	PJ Poulin (3-0)	#290	@ HOU	Colton Gordon (0-0)	#234
Wed, Apr 15th	vs WSH	Jake Irvin (2-5)	#169	@ HOU	Spencer Arrighetti (7-5)	#282
Thu, Apr 16th	vs WSH	Foster Griffin (12-3)	#56	@ HOU	Ryan Weiss (0-3)	#405
Fri, Apr 17th	vs TB	Nick Martinez (10-3)	#97	vs LAD	Tyler Glasnow (3-0)	#65
Sat, Apr 18th	vs TB	Drew Rasmussen (10-5)	#20	vs LAD	Emmet Sheehan (4-7)	#48
Sun, Apr 19th	vs TB	Shane McClanahan (9-6)	#49	vs LAD	Roki Sasaki (5-5)	#92
Tue, Apr 21st	@ TEX	Kumar Rocker (4-8)	#79	vs SD	Randy Vasquez (6-6)	#252
Wed, Apr 22nd	@ TEX	Jack Leiter (3-7)	#123	vs SD	Walker Buehler (6-5)	#213
Thu, Apr 23rd	@ TEX	Jacob deGrom (7-7)	#7	vs SD	Matt Waldron (1-2)	#383
Fri, Apr 24th	@ MIL	Brandon Woodruff (2-2)		@ NYM	Freddy Peralta (5-9)	#40
Sat, Apr 25th	@ MIL	Jacob Misiorowski (11-4)	#5
Sun, Apr 26th	@ MIL	Kyle Harrison (8-2)	#43	@ NYM	Kodai Senga (0-8)	#198
Mon, Apr 27th	vs STL	Dustin May (5-7)	#55
Tue, Apr 28th	vs STL	Kyle Leahy (7-4)	#125	@ CIN	Chase Burns (12-1)	#29
Wed, Apr 29th	vs STL	Andre Pallante (11-6)	#109	@ CIN	Brandon Williamson (2-3)	#350
Thu, Apr 30th	vs STL	Hunter Dobbins (2-1)	#162	@ CIN	Andrew Abbott (5-7)	#106
Fri, May 1st	vs CIN	Brady Singer (5-10)	#151	vs ATL	Grant Holmes (6-4)	#144
Sat, May 2nd	vs CIN	Rhett Lowder (3-7)	#277	vs ATL	Chris Sale (12-6)	#8
Sun, May 3rd	vs CIN	Chase Burns (12-1)	#29	vs ATL	Spencer Strider (4-2)	#267
Tue, May 5th	@ ARI	Eduardo Rodriguez (10-3)	#128
Wed, May 6th	@ ARI	Michael Soroka (8-3)	#67	vs NYM	Freddy Peralta (5-9)	#40
Thu, May 7th	@ ARI	Zac Gallen (3-9)	#172	vs NYM	Christian Scott (3-3)	#50
Fri, May 8th	@ SF	Robbie Ray (10-6)	#96	@ PHI	Jesus Luzardo (9-5)	#11
Sat, May 9th	@ SF	Landen Roupp (7-9)	#63	@ PHI	Aaron Nola (3-9)	#59
Sun, May 10th	@ SF	Tyler Mahle (3-9)	#78	@ PHI	Cristopher Sanchez (14-4)	#3
Tue, May 12th	vs COL	Michael Lorenzen (3-9)	#436	@ PIT	Paul Skenes (9-9)	#4
Wed, May 13th	vs COL	Jose Quintana (2-3)	#433	@ PIT	Mitch Keller (6-7)	#112
Thu, May 14th	vs COL	Chase Dollander (3-3)		@ PIT	Mason Montgomery (4-3)	#100
Fri, May 15th	vs PHI	Aaron Nola (3-9)	#59	vs ARI	Merrill Kelly (8-8)	#124
Sat, May 16th	vs PHI	Cristopher Sanchez (14-4)	#3	vs ARI	Eduardo Rodriguez (10-3)	#128
Sun, May 17th	vs PHI	Zack Wheeler (10-2)	#6	vs ARI	Michael Soroka (8-3)	#67
Tue, May 19th	@ STL	Matthew Liberatore (5-8)	#118	vs TEX	Tyler Alexander (1-1)	#173
Wed, May 20th	@ STL	Michael McGreevy (4-9)	#95	vs TEX	Jack Leiter (3-7)	#123
Thu, May 21st	@ STL	Dustin May (5-7)	#55	@ ARI	Eduardo Rodriguez (10-3)	#128
Fri, May 22nd	@ TOR	Kevin Gausman (5-10)	#27	@ ARI	Michael Soroka (8-3)	#67
Sat, May 23rd	@ TOR	Patrick Corbin (3-4)	#300	@ ARI	Zac Gallen (3-9)	#172
Sun, May 24th	@ TOR	Dylan Cease (7-5)	#9	@ ARI	Ryne Nelson (3-5)	#207
Mon, May 25th	vs CHC	Ben Brown (4-2)	#93	@ LAD	Emmet Sheehan (4-7)	#48
Tue, May 26th	vs CHC	Jordan Wicks (0-2)	#226	@ LAD	Eric Lauer (6-5)	#347
Wed, May 27th	vs CHC	Jameson Taillon (2-6)	#220	@ LAD	Shohei Ohtani (8-2)	#1
Thu, May 28th	vs CHC	Colin Rea (8-7)	#176
Fri, May 29th	vs MIN	Taj Bradley (9-4)	#51	vs SF	Logan Webb (6-7)	#18
Sat, May 30th	vs MIN	Bailey Ober (7-3)	#90	vs SF	Adrian Houser (2-7)	#239
Sun, May 31st	vs MIN	Zebby Matthews (4-8)	#131	vs SF	Robbie Ray (10-6)	#96
Tue, Jun 2nd	@ HOU	Mike Burrows (4-9)	#210	@ LAA	Grayson Rodriguez (3-3)	#126
Wed, Jun 3rd	@ HOU	Spencer Arrighetti (7-5)	#282	@ LAA	Walbert Urena (6-7)	#294
Thu, Jun 4th	@ HOU	Kai-Wei Teng (5-6)	#261
Fri, Jun 5th	@ ATL	Martin Perez (7-6)	#216	vs MIL	Brandon Sproat (3-6)	#141
Sat, Jun 6th	@ ATL	Spencer Strider (4-2)	#267	vs MIL	Jacob Misiorowski (11-4)	#5
Sun, Jun 7th	@ ATL	Bryce Elder (7-6)	#136	vs MIL	Shane Drohan (6-4)	#72
Tue, Jun 9th	vs LAD	Eric Lauer (6-5)	#347	vs CHC	Colin Rea (8-7)	#176
Wed, Jun 10th	vs LAD	Shohei Ohtani (8-2)	#1	vs CHC	Shota Imanaga (7-9)	#23
Thu, Jun 11th	vs LAD	Justin Wrobleski (11-2)	#80	vs CHC	Edward Cabrera (5-4)	#76
Fri, Jun 12th	vs MIA	Sandy Alcantara (11-6)	#60	@ ATH	Gage Jump (4-6)	#87
Sat, Jun 13th	vs MIA	Lake Bachar (1-2)	#194	@ ATH	Joey Estes (0-0)	#398
Sun, Jun 14th	vs MIA	Max Meyer (9-1)	#75	@ ATH	Jeffrey Springs (3-11)	#246
Mon, Jun 15th	@ ATH	J.T. Ginn (8-6)	#160	@ CHC	Shota Imanaga (7-9)	#23
Tue, Jun 16th	@ ATH	Jack Perkins (2-7)	#98	@ CHC	Edward Cabrera (5-4)	#76
Wed, Jun 17th	@ ATH	Aaron Civale (5-7)	#202	@ CHC	Javier Assad (6-1)	#161
Fri, Jun 19th	@ COL	Kyle Freeland (2-10)	#394	vs PIT	Bubba Chandler (3-8)	#103
Sat, Jun 20th	@ COL	Tomoyuki Sugano (11-4)	#437	vs PIT	Paul Skenes (9-9)	#4
Sun, Jun 21st	@ COL	Michael Lorenzen (3-9)	#436	vs PIT	Jared Jones (2-2)	#47
Tue, Jun 23rd	vs SEA	George Kirby (8-9)	#21	vs BOS	Sonny Gray (13-2)	#28
Wed, Jun 24th	vs SEA	Bryan Woo (7-8)	#13	vs BOS	Ranger Suarez (4-3)	#22
Thu, Jun 25th	vs SEA	Bryce Miller (4-5)	#39
Fri, Jun 26th	vs CIN	Andrew Abbott (5-7)	#106	@ MIN	Taj Bradley (9-4)	#51
Sat, Jun 27th	vs CIN	Chase Burns (12-1)	#29	@ MIN	Mike Paredes (0-3)	#403
Sun, Jun 28th	vs CIN	Brady Singer (5-10)	#151	@ MIN	Connor Prielipp (3-5)	#99
Mon, Jun 29th	@ PHI	Aaron Nola (3-9)	#59	vs MIA	Sandy Alcantara (11-6)	#60
Tue, Jun 30th	@ PHI	Cristopher Sanchez (14-4)	#3	vs MIA	Eury Perez (5-8)	#41
Wed, Jul 1st	@ PHI	Zack Wheeler (10-2)	#6	vs MIA	Max Meyer (9-1)	#75
Thu, Jul 2nd	@ PHI	Alan Rangel (0-3)	#303	vs MIA	Ryan Gusto (0-2)	#236
Fri, Jul 3rd	@ WSH	Foster Griffin (12-3)	#56	vs SF	Logan Webb (6-7)	#18
Sat, Jul 4th	@ WSH	Carson Palmquist (0-1)	#306	vs SF	Robbie Ray (10-6)	#96
Sun, Jul 5th	@ WSH	Cade Cavalli (8-4)	#54	vs SF	Tyler Mahle (3-9)	#78
Tue, Jul 7th	vs ATL	Hurston Waldrep (0-1)	#322	@ LAD	Justin Wrobleski (11-2)	#80
Wed, Jul 8th	vs ATL	Grant Holmes (6-4)	#144	@ LAD	Roki Sasaki (5-5)	#92
Thu, Jul 9th	vs ATL	Bryce Elder (7-6)	#136	@ SF	Carson Whisenhunt (2-2)	#179
Sat, Jul 11th	vs MIL	Shane Drohan (6-4)	#72	@ SF	Tyler Mahle (3-9)	#78
Sun, Jul 12th	vs MIL	Robert Gasser (3-4)	#115	@ SF	Trevor McDonald (3-7)
Sat, Jul 18th	@ CLE	Logan Allen (0-0)	#154	vs CIN	Rhett Lowder (3-7)	#277
Sun, Jul 19th	@ CLE	Joey Cantillo (8-6)	#88	vs CIN	Hunter Greene (2-2)	#26
Mon, Jul 20th	@ NYY	Ryan Weathers (4-7)	#71	vs WSH	Andrew Alvarez (2-3)	#197
Wed, Jul 22nd	@ NYY	Max Fried (4-3)	#16	vs WSH	Cade Cavalli (8-4)	#54
Fri, Jul 24th	vs CHC	Matthew Boyd (6-1)	#37	@ MIL	Shane Drohan (6-4)	#72
Sat, Jul 25th	vs CHC	Shota Imanaga (7-9)	#23	@ MIL	Robert Gasser (3-4)	#115
Sun, Jul 26th	vs CHC	Jameson Taillon (2-6)	#220	@ MIL	Jacob Misiorowski (11-4)	#5
Mon, Jul 27th	vs ARI	Merrill Kelly (8-8)	#124
Tue, Jul 28th	vs ARI	Brandon Pfaadt (5-1)	#77	@ SD	Michael King (6-7)	#57
Wed, Jul 29th	vs ARI	Eduardo Rodriguez (10-3)	#128	@ SD	Kyle Hart (0-2)	#219
Thu, Jul 30th	@ CIN	Rhett Lowder (3-7)	#277
Fri, Jul 31st	@ CIN	Hunter Greene (2-2)	#26	vs KC	Michael Wacha (5-8)	#73
Sat, Aug 1st	@ CIN	Andrew Abbott (5-7)	#106	vs KC	Luinder Avila (5-4)	#280
Sun, Aug 2nd	@ CIN	Chase Burns (12-1)	#29	vs KC	Seth Lugo (4-6)	#129
Mon, Aug 3rd	@ MIL	Brandon Sproat (3-6)	#141	vs TB	Ian Seymour (7-3)	#85
Tue, Aug 4th	@ MIL	Logan Henderson (5-1)	#36	vs TB	Shane McClanahan (9-6)	#49
Wed, Aug 5th	@ MIL	Shane Drohan (6-4)	#72	vs TB	Nick Martinez (10-3)	#97
Thu, Aug 6th	@ MIL	Robert Gasser (3-4)	#115
Fri, Aug 7th	vs NYM	Freddy Peralta (5-9)	#40	@ STL	Kyle Leahy (7-4)	#125
Sat, Aug 8th	vs NYM	Zac Thornton (2-2)	#143	@ STL	Michael McGreevy (4-9)	#95
Sun, Aug 9th	vs NYM	Christian Scott (3-3)	#50	@ STL	Matthew Liberatore (5-8)	#118
Tue, Aug 11th	@ MIA			@ ARI
Wed, Aug 12th	@ MIA			@ ARI
Thu, Aug 13th	@ MIA
Fri, Aug 14th	vs BOS			@ SF
Sat, Aug 15th	vs BOS			@ SF
Sun, Aug 16th	vs BOS			@ SF
Mon, Aug 17th	vs DET			vs LAD
Tue, Aug 18th	vs DET			vs LAD
Wed, Aug 19th	vs DET			vs LAD
Fri, Aug 21st	@ LAD			vs CLE
Sat, Aug 22nd	@ LAD			vs CLE
Sun, Aug 23rd	@ LAD			vs CLE
Mon, Aug 24th	@ SD			@ WSH
Tue, Aug 25th	@ SD			@ WSH
Wed, Aug 26th	@ SD			@ WSH
Fri, Aug 28th	@ STL			@ ATL
Sat, Aug 29th	@ STL			@ ATL
Sun, Aug 30th	@ STL			@ ATL
Tue, Sep 1st	vs SF			vs BAL
Wed, Sep 2nd	vs SF			vs BAL
Thu, Sep 3rd	vs SF
Fri, Sep 4th	vs LAA			vs STL
Sat, Sep 5th	vs LAA			vs STL
Sun, Sep 6th	vs LAA			vs STL
Tue, Sep 8th	@ CWS			@ NYY
Wed, Sep 9th	@ CWS			@ NYY
Thu, Sep 10th	@ CWS			@ NYY
Fri, Sep 11th	@ CHC			@ DET
Sat, Sep 12th	@ CHC			@ DET
Sun, Sep 13th	@ CHC			@ DET
Tue, Sep 15th	vs MIL			vs SD
Wed, Sep 16th	vs MIL			vs SD
Thu, Sep 17th	vs MIL			vs SD
Fri, Sep 18th	vs KC			vs SEA
Sat, Sep 19th	vs KC			vs SEA
Sun, Sep 20th	vs KC			vs SEA
Tue, Sep 22nd	vs STL			vs ARI
Wed, Sep 23rd	vs STL			vs ARI
Thu, Sep 24th	vs STL			vs ARI
Fri, Sep 25th	@ DET			@ CWS
Sat, Sep 26th	@ DET			@ CWS
Sun, Sep 27th	@ DET			@ CWS
Fri, Mar 27th				@ MIA	Sandy Alcantara (11-6)	#60
Thu, Apr 9th				@ SD	Randy Vasquez (6-6)	#252
Mon, Apr 20th				vs LAD	Justin Wrobleski (11-2)	#80
Mon, May 4th				vs NYM	Huascar Brazoban (5-2)	#184
Mon, May 18th				vs TEX	MacKenzie Gore (6-9)	#35
Mon, Jun 1st				@ LAA	Jose Soriano (9-6)	#52
Mon, Jun 22nd				vs BOS	Jake Bennett (6-4)	#83
Mon, Jul 6th				@ LAD	Eric Lauer (6-5)	#347
Fri, Jul 10th				@ SF	Robbie Ray (10-6)	#96
Fri, Jul 17th				vs CIN	Brady Singer (5-10)	#151
Tue, Jul 21st				vs WSH	Carson Palmquist (0-1)	#306
Mon, Aug 10th				@ ARI	Michael Soroka (8-3)	#67
Thu, Aug 27th				@ WSH
Mon, Aug 31st				vs BAL
Mon, Sep 14th				vs SD

Who Should I Trade?

Ron Marinaccio for Welinton Herrera (2026)

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