Who Should I Trade?

Isaac Mattson for Tim Herrin (2026)

Summary
Stats
Projections
News & Notes
Schedule

Who Should I Trade? Player Summaries
	Experts' Pick	Experts' Pick
	Isaac Mattson RP - PIT	Tim Herrin RP - CLE
Expert Recommendation	50% Recommended by 1 of 2 experts	50% Recommended by 1 of 2 experts
Rankings

Rest of Season	# 392	# 368
VBR	# 727	# 637

Projections

Strikeouts	5	8
Wins	0	1
Saves	0	0
ERA	4.25	3.99
WHIP	1.38	1.41

Misc

Injury Alert	MiLB	-

Expert Ranks

Kelly Kirby FantasyPros	# 423	# 353

Kevin Spinelli KevScores	# 418	# 431

Who Should I Trade? Player Statistics
	Isaac Mattson RP - PIT	Tim Herrin RP - CLE
2026 Stats


Games Played	37	59

Games Started	0	0

Innings Pitched	36.2	49.2

Wins	0	2

Losses	0	4

Saves	0	0

Blown Saves	2	1

Holds	8	15

Hits Allowed	40	37

Earned Runs	20	17

Home Runs Allowed	3	5

Strikeouts	34	45

Walks	18	25

ERA	4.91	3.08

WHIP	1.58	1.25

Who Should I Trade? Player Projections
	Isaac Mattson RP - PIT	Tim Herrin RP - CLE
2026 Projections


Games Played	8	10

Games Started	0	0

Innings Pitched	5.3	8.3

Wins	0	1

Losses	0	1

Saves	0	0

Blown Saves	0	0

Holds	0	2

Hits Allowed	5	7

Earned Runs	2	4

Home Runs Allowed	1	1

Strikeouts	5	8

Walks	3	4

ERA	4.25	3.99

WHIP	1.38	1.41

Who Should I Trade? Player Notes
	Isaac Mattson RP - PIT	Tim Herrin RP - CLE
News
	The Pirates optioned Isaac Mattson to Triple-A Indianapolis. Ari Koslow Tue, Aug 18th	The Guardians activated LHP Tim Herrin from the 15-day injured list. Ari Koslow Fri, Jul 24th
	The Pirates recalled RHP Isaac Mattson from Triple-A Indianapolis. Ari Koslow Thu, Aug 13th	Tim Herrin is scheduled to make a rehab outing with Double-A Akron on Tuesday. Nicholas Rodriguez Tue, Jul 21st
	The Pirates optioned RHP Isaac Mattson to Triple-A Indianapolis. Ari Koslow Sun, Aug 2nd	The Guardians placed Tim Herrin on the 15-day injured list. Ari Koslow Thu, Jul 9th
	The Pirates recalled RHP Isaac Mattson from Triple-A Indianapolis. Ari Koslow Sat, Aug 1st	Tim Herrin underwent X-rays that came back negative for any fractures. Ari Koslow Wed, Jul 8th
	The Pirates optioned RHP Isaac Mattson to Triple-A Indianapolis. Ari Koslow Wed, Jul 29th
Notes
There are no recent notes for these players

Who Should I Trade? Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	Isaac Mattson RP - PIT			Tim Herrin RP - CLE
Thu, Mar 26th	@ NYM	Freddy Peralta (7-11)	#38	@ SEA	Logan Gilbert (11-8)	#12
Sat, Mar 28th	@ NYM	David Peterson (7-8)	#103	@ SEA	Bryan Woo (10-9)	#13
Sun, Mar 29th	@ NYM	Nolan McLean (10-8)	#30	@ SEA	Emerson Hancock (7-8)	#127
Mon, Mar 30th	@ CIN	Chase Burns (15-3)	#41	@ LAD	Roki Sasaki (5-5)	#124
Tue, Mar 31st	@ CIN	Brandon Williamson (3-3)	#391	@ LAD	Shohei Ohtani (8-2)	#1
Wed, Apr 1st	@ CIN	Andrew Abbott (6-10)	#150	@ LAD	Yoshinobu Yamamoto (12-8)	#10
Fri, Apr 3rd	vs BAL	Kyle Bradish (7-12)	#42	vs CHC	Cade Horton (1-0)
Sat, Apr 4th	vs BAL	Shane Baz (5-14)	#47
Sun, Apr 5th	vs BAL	Chris Bassitt (6-4)	#154	vs CHC	Shota Imanaga (8-10)	#27
Mon, Apr 6th	vs SD	German Marquez (4-2)	#374	vs KC	Michael Wacha (9-8)	#75
Tue, Apr 7th	vs SD	Nick Pivetta (1-2)	#179	vs KC	Noah Cameron (9-8)	#83
Wed, Apr 8th	vs SD	Michael King (9-9)	#59	vs KC	Cole Ragans (1-4)
Fri, Apr 10th	@ CHC	Shota Imanaga (8-10)	#27	@ ATL	Bryce Elder (8-8)	#170
Sat, Apr 11th	@ CHC	Edward Cabrera (5-5)	#108	@ ATL	Martin Perez (8-8)	#191
Sun, Apr 12th	@ CHC	Jameson Taillon (2-6)	#149	@ ATL	Chris Sale (13-9)	#8
Mon, Apr 13th	vs WSH	Cade Cavalli (12-5)	#54	@ STL	Matthew Liberatore (5-13)	#79
Tue, Apr 14th	vs WSH	PJ Poulin (3-0)		@ STL	Michael McGreevy (6-9)	#112
Wed, Apr 15th	vs WSH	Jake Irvin (2-8)	#166	@ STL	Dustin May (6-9)	#45
Thu, Apr 16th	vs WSH	Foster Griffin (15-4)	#56	vs BAL	Shane Baz (5-14)	#47
Fri, Apr 17th	vs TB	Nick Martinez (13-4)	#92	vs BAL	Chris Bassitt (6-4)	#154
Sat, Apr 18th	vs TB	Drew Rasmussen (14-5)	#22	vs BAL	Dean Kremer (2-5)	#98
Sun, Apr 19th	vs TB	Shane McClanahan (10-7)	#43	vs BAL	Trevor Rogers (9-9)	#39
Tue, Apr 21st	@ TEX	Kumar Rocker (5-10)	#121	vs HOU	Ryan Weiss (0-3)	#325
Wed, Apr 22nd	@ TEX	Jack Leiter (3-7)	#232	vs HOU	Peter Lambert (8-7)	#142
Thu, Apr 23rd	@ TEX	Jacob deGrom (10-9)	#6
Fri, Apr 24th	@ MIL	Brandon Woodruff (2-2)		@ TOR	Max Scherzer (2-7)	#122
Sat, Apr 25th	@ MIL	Jacob Misiorowski (14-5)	#5	@ TOR	Kevin Gausman (9-11)	#24
Sun, Apr 26th	@ MIL	Kyle Harrison (10-4)	#57	@ TOR	Patrick Corbin (3-4)
Mon, Apr 27th	vs STL	Dustin May (6-9)	#45	vs TB	Steven Matz (5-4)	#192
Tue, Apr 28th	vs STL	Kyle Leahy (10-4)	#90	vs TB	Nick Martinez (13-4)	#92
Wed, Apr 29th	vs STL	Andre Pallante (12-6)	#294	vs TB	Drew Rasmussen (14-5)	#22
Thu, Apr 30th	vs STL	Hunter Dobbins (3-3)	#160
Fri, May 1st	vs CIN	Brady Singer (5-13)	#187	@ ATH	J.T. Ginn (9-8)	#151
Sat, May 2nd	vs CIN	Rhett Lowder (6-8)	#214	@ ATH	Jacob Lopez (6-4)	#153
Sun, May 3rd	vs CIN	Chase Burns (15-3)	#41	@ ATH	Aaron Civale (6-7)	#193
Tue, May 5th	@ ARI	Eduardo Rodriguez (14-5)	#125	@ KC	Stephen Kolek (4-3)
Wed, May 6th	@ ARI	Michael Soroka (8-4)	#93	@ KC	Cole Ragans (1-4)
Thu, May 7th	@ ARI	Zac Gallen (3-9)	#164	@ KC	Seth Lugo (6-8)	#158
Fri, May 8th	@ SF	Robbie Ray (11-7)	#114	vs MIN	Connor Prielipp (4-7)	#71
Sat, May 9th	@ SF	Landen Roupp (8-13)	#97	vs MIN	Joe Ryan (6-8)	#61
Sun, May 10th	@ SF	Tyler Mahle (5-10)	#77	vs MIN	Andrew Morris (4-7)	#169
Tue, May 12th	vs COL	Michael Lorenzen (3-11)	#162	vs LAA	Walbert Urena (9-9)	#210
Wed, May 13th	vs COL	Jose Quintana (2-3)	#424	vs LAA	Reid Detmers (4-8)	#36
Thu, May 14th	vs COL	Chase Dollander (3-3)
Fri, May 15th	vs PHI	Aaron Nola (6-10)	#65	vs CIN	Andrew Abbott (6-10)	#150
Sat, May 16th	vs PHI	Cristopher Sanchez (16-4)	#4	vs CIN	Chris Paddack (0-7)
Sun, May 17th	vs PHI	Zack Wheeler (11-5)	#11	vs CIN	Brady Singer (5-13)	#187
Tue, May 19th	@ STL	Matthew Liberatore (5-13)	#79	@ DET	Keider Montero (9-8)	#139
Wed, May 20th	@ STL	Michael McGreevy (6-9)	#112	@ DET	Drew Anderson (4-5)	#74
Thu, May 21st	@ STL	Dustin May (6-9)	#45	@ DET	Casey Mize (5-9)	#60
Fri, May 22nd	@ TOR	Kevin Gausman (9-11)	#24	@ PHI	Cristopher Sanchez (16-4)	#4
Sat, May 23rd	@ TOR	Patrick Corbin (3-4)		@ PHI	Zack Wheeler (11-5)	#11
Sun, May 24th	@ TOR	Dylan Cease (10-5)	#7	@ PHI	Andrew Painter (3-8)	#171
Mon, May 25th	vs CHC	Ben Brown (4-2)	#180	vs WSH	PJ Poulin (3-0)
Tue, May 26th	vs CHC	Jordan Wicks (0-2)	#307	vs WSH	Cade Cavalli (12-5)	#54
Wed, May 27th	vs CHC	Jameson Taillon (2-6)	#149	vs WSH	PJ Poulin (3-0)
Thu, May 28th	vs CHC	Colin Rea (8-8)	#156
Fri, May 29th	vs MIN	Taj Bradley (10-6)	#51	vs BOS	Tyler Samaniego
Sat, May 30th	vs MIN	Bailey Ober (7-4)	#96	vs BOS	Sonny Gray (16-4)	#29
Sun, May 31st	vs MIN	Zebby Matthews (9-8)	#94	vs BOS	Ranger Suarez (5-4)	#28
Tue, Jun 2nd	@ HOU	Mike Burrows (4-9)	#298	@ NYY	Cam Schlittler (12-6)	#15
Wed, Jun 3rd	@ HOU	Spencer Arrighetti (7-8)	#165	@ NYY	Gerrit Cole (8-7)	#19
Thu, Jun 4th	@ HOU	Kai-Wei Teng (5-7)	#226	@ NYY	Carlos Rodon (4-3)	#40
Fri, Jun 5th	@ ATL	Martin Perez (8-8)	#191	@ TEX	Kumar Rocker (5-10)	#121
Sat, Jun 6th	@ ATL	Spencer Strider (4-2)	#255	@ TEX	Jack Leiter (3-7)	#232
Sun, Jun 7th	@ ATL	Bryce Elder (8-8)	#170	@ TEX	Jacob deGrom (10-9)	#6
Tue, Jun 9th	vs LAD	Eric Lauer (8-7)	#264	vs NYY	Gerrit Cole (8-7)	#19
Wed, Jun 10th	vs LAD	Shohei Ohtani (8-2)	#1	vs NYY	Carlos Rodon (4-3)	#40
Thu, Jun 11th	vs LAD	Justin Wrobleski (11-5)	#118
Fri, Jun 12th	vs MIA	Sandy Alcantara (13-9)	#68	vs DET	Jack Flaherty (3-8)	#95
Sat, Jun 13th	vs MIA	Lake Bachar (1-3)	#283	vs DET	Tarik Skubal (8-7)	#2
Sun, Jun 14th	vs MIA	Max Meyer (9-1)
Mon, Jun 15th	@ ATH	J.T. Ginn (9-8)	#151
Tue, Jun 16th	@ ATH	Jack Perkins (3-10)	#141	@ MIL	Robert Gasser (4-5)	#87
Wed, Jun 17th	@ ATH	Aaron Civale (6-7)	#193	@ MIL	Brandon Sproat (3-7)	#238
Fri, Jun 19th	@ COL	Kyle Freeland (4-10)	#394	@ HOU	Tatsuya Imai (6-4)	#131
Sat, Jun 20th	@ COL	Tomoyuki Sugano (12-8)	#432	@ HOU	Spencer Arrighetti (7-8)	#165
Sun, Jun 21st	@ COL	Michael Lorenzen (3-11)	#162	@ HOU	Kai-Wei Teng (5-7)	#226
Tue, Jun 23rd	vs SEA	George Kirby (9-10)	#20	@ CWS	Sean Burke (8-6)	#67
Wed, Jun 24th	vs SEA	Bryan Woo (10-9)	#13	@ CWS	Chris Murphy
Thu, Jun 25th	vs SEA	Bryce Miller (4-8)	#46
Fri, Jun 26th	vs CIN	Andrew Abbott (6-10)	#150	vs SEA	Luis Castillo (4-11)	#99
Sat, Jun 27th	vs CIN	Chase Burns (15-3)	#41	vs SEA	Logan Gilbert (11-8)	#12
Sun, Jun 28th	vs CIN	Brady Singer (5-13)	#187	vs SEA	Emerson Hancock (7-8)	#127
Mon, Jun 29th	@ PHI	Aaron Nola (6-10)	#65	vs TEX	Tyler Alexander (5-2)	#135
Tue, Jun 30th	@ PHI	Cristopher Sanchez (16-4)	#4	vs TEX	Jacob deGrom (10-9)	#6
Wed, Jul 1st	@ PHI	Zack Wheeler (11-5)	#11	vs TEX	MacKenzie Gore (8-10)	#48
Thu, Jul 2nd	@ PHI	Alan Rangel (0-3)	#393	vs CWS	Davis Martin (9-6)	#110
Fri, Jul 3rd	@ WSH	Foster Griffin (15-4)	#56	vs CWS	Anthony Kay (9-7)	#161
Sat, Jul 4th	@ WSH	Carson Palmquist (0-2)	#249	vs CWS	Sean Burke (8-6)	#67
Sun, Jul 5th	@ WSH	Cade Cavalli (12-5)	#54	vs CWS	Chris Murphy
Tue, Jul 7th	vs ATL	Hurston Waldrep (0-1)		@ MIN	Taj Bradley (10-6)	#51
Wed, Jul 8th	vs ATL	Grant Holmes (9-5)	#186	@ MIN	Connor Prielipp (4-7)	#71
Thu, Jul 9th	vs ATL	Bryce Elder (8-8)	#170	@ MIN	Bailey Ober (7-4)	#96
Sat, Jul 11th	vs MIL	Shane Drohan (7-5)	#107	@ MIA	Eury Perez (7-10)	#49
Sun, Jul 12th	vs MIL	Robert Gasser (4-5)	#87	@ MIA	Tyler Phillips (4-6)	#225
Sat, Jul 18th	@ CLE	Logan Allen (0-0)	#246	vs PIT	Mason Montgomery (6-3)	#64
Sun, Jul 19th	@ CLE	Joey Cantillo (9-8)	#73	vs PIT	Paul Skenes (9-11)	#3
Mon, Jul 20th	@ NYY	Ryan Weathers (5-8)	#215	vs MIN	Joe Ryan (6-8)	#61
Wed, Jul 22nd	@ NYY	Max Fried (4-4)	#18	vs MIN	Bailey Ober (7-4)	#96
Fri, Jul 24th	vs CHC	Matthew Boyd (8-3)	#37	@ TB	Shane McClanahan (10-7)	#43
Sat, Jul 25th	vs CHC	Shota Imanaga (8-10)	#27	@ TB	Nick Martinez (13-4)	#92
Sun, Jul 26th	vs CHC	Jameson Taillon (2-6)	#149	@ TB	Drew Rasmussen (14-5)	#22
Mon, Jul 27th	vs ARI	Merrill Kelly (9-12)	#176
Tue, Jul 28th	vs ARI	Brandon Pfaadt (7-2)	#116	@ CIN	Caleb Ferguson
Wed, Jul 29th	vs ARI	Eduardo Rodriguez (14-5)	#125	@ CIN	Brady Singer (5-13)	#187
Thu, Jul 30th	@ CIN	Rhett Lowder (6-8)	#214
Fri, Jul 31st	@ CIN	Hunter Greene (2-2)		vs ARI	Mitch Bratt (1-3)	#302
Sat, Aug 1st	@ CIN	Andrew Abbott (6-10)	#150	vs ARI	Kohl Drake (0-1)	#359
Sun, Aug 2nd	@ CIN	Chase Burns (15-3)	#41	vs ARI	Merrill Kelly (9-12)	#176
Mon, Aug 3rd	@ MIL	Brandon Sproat (3-7)	#238
Tue, Aug 4th	@ MIL	Logan Henderson (9-3)	#26	vs NYM	Sean Manaea (4-7)	#70
Wed, Aug 5th	@ MIL	Kyle Harrison (10-4)	#57	vs NYM	Christian Scott (4-4)	#53
Thu, Aug 6th	@ MIL	Dustin May (6-9)	#45	vs NYM	Nolan McLean (10-8)	#30
Fri, Aug 7th	vs NYM	Zac Thornton (3-4)	#115	@ CWS	Noah Schultz (3-9)	#329
Sat, Aug 8th	vs NYM	Robert Stock (1-3)	#174	@ CWS	Anthony Kay (9-7)	#161
Sun, Aug 9th	vs NYM	Sean Manaea (4-7)	#70	@ CWS	Davis Martin (9-6)	#110
Tue, Aug 11th	@ MIA	Eury Perez (7-10)	#49	@ DET	Drew Anderson (4-5)	#74
Wed, Aug 12th	@ MIA	Janson Junk (6-8)	#109	@ DET	Framber Valdez (8-10)	#35
Thu, Aug 13th	@ MIA	Tyler Phillips (4-6)	#225	@ DET	Keider Montero (9-8)	#139
Fri, Aug 14th	vs BOS	Jake Bennett (9-6)	#76	vs SD	Michael King (9-9)	#59
Sat, Aug 15th	vs BOS	Sonny Gray (16-4)	#29	vs SD	Wandy Peralta (2-2)	#183
Sun, Aug 16th	vs BOS	Patrick Sandoval (1-4)	#117	vs SD	Casey Mize (5-9)	#60
Mon, Aug 17th	vs DET	Framber Valdez (8-10)	#35
Tue, Aug 18th	vs DET	Keider Montero (9-8)	#139	vs SF	Carson Whisenhunt (3-4)
Wed, Aug 19th	vs DET	Jackson Jobe (1-2)	#182	vs SF	Matt Wilkinson (0-2)	#167
Fri, Aug 21st	@ LAD	Yoshinobu Yamamoto (12-8)	#10	@ COL	Tanner Gordon (1-4)	#420
Sat, Aug 22nd	@ LAD	Tarik Skubal (8-7)	#2	@ COL	Gabriel Hughes (0-6)	#356
Sun, Aug 23rd	@ LAD	Blake Snell (2-1)	#14	@ COL	Tomoyuki Sugano (12-8)	#432
Mon, Aug 24th	@ SD	Robbie Ray (11-7)	#114	@ LAA	George Klassen (2-2)	#387
Tue, Aug 25th	@ SD	Michael King (9-9)	#59	@ LAA	Walbert Urena (9-9)	#210
Wed, Aug 26th	@ SD	Randy Vasquez (10-6)	#213	@ LAA	Grayson Rodriguez (4-6)	#101
Fri, Aug 28th	@ STL	Quinn Mathews (1-2)	#144	vs KC	Michael Wacha (9-8)	#75
Sat, Aug 29th	@ STL	Kyle Leahy (10-4)	#90	vs KC	Daniel Lynch (4-4)	#172
Sun, Aug 30th	@ STL	Matthew Liberatore (5-13)	#79	vs KC	Seth Lugo (6-8)	#158
Tue, Sep 1st	vs SF	Logan Webb (8-8)	#21	vs TOR	Spencer Miles (6-2)	#81
Wed, Sep 2nd	vs SF	Landen Roupp (8-13)	#97	vs TOR	Dylan Cease (10-5)	#7
Thu, Sep 3rd	vs SF	Blade Tidwell (0-2)	#173	vs TOR	Jose Soriano (11-7)	#33
Fri, Sep 4th	vs LAA	Ryan Johnson (3-7)	#240	vs DET	Andrew Sears (0-1)	#145
Sat, Sep 5th	vs LAA	Yusei Kikuchi (0-5)	#84	vs DET	Framber Valdez (8-10)	#35
Sun, Sep 6th	vs LAA	Walbert Urena (9-9)	#210	vs DET	Jackson Jobe (1-2)	#182
Tue, Sep 8th	@ CWS	Davis Martin (9-6)	#110	@ BAL	Brandon Young (9-3)	#138
Wed, Sep 9th	@ CWS	Luis Castillo (4-11)	#99	@ BAL	Shane Baz (5-14)	#47
Thu, Sep 10th	@ CWS	Erick Fedde (7-8)	#422
Fri, Sep 11th	@ CHC	Clay Holmes (6-6)	#52	@ MIN	Connor Prielipp (4-7)	#71
Sat, Sep 12th	@ CHC	Matthew Boyd (8-3)	#37	@ MIN	Taj Bradley (10-6)	#51
Sun, Sep 13th	@ CHC	David Peterson (7-8)	#103	@ MIN	Taj Bradley (10-6)	#51
Tue, Sep 15th	vs MIL			vs CWS
Wed, Sep 16th	vs MIL			vs CWS
Thu, Sep 17th	vs MIL
Fri, Sep 18th	vs KC			vs ATH
Sat, Sep 19th	vs KC			vs ATH
Sun, Sep 20th	vs KC			vs ATH
Tue, Sep 22nd	vs STL			@ BOS
Wed, Sep 23rd	vs STL			@ BOS
Thu, Sep 24th	vs STL			@ BOS
Fri, Sep 25th	@ DET			@ KC
Sat, Sep 26th	@ DET			@ KC
Sun, Sep 27th	@ DET			@ KC
Fri, Mar 27th				@ SEA	George Kirby (9-10)	#20
Mon, Apr 20th				vs HOU	Spencer Arrighetti (7-8)	#165
Mon, May 4th				@ KC	Michael Wacha (9-8)	#75
Mon, May 11th				vs LAA	Brent Suter (2-2)	#195
Mon, May 18th				@ DET	Framber Valdez (8-10)	#35
Mon, Jun 8th				vs NYY	Will Warren (9-6)	#50
Thu, Jun 18th				@ MIL	Shane Drohan (7-5)	#107
Mon, Jun 22nd				@ CWS	Anthony Kay (9-7)	#161
Fri, Jul 10th				@ MIA	Sandy Alcantara (13-9)	#68
Tue, Jul 21st				vs MIN	Kendry Rojas (1-1)	#211
Thu, Jul 23rd				vs MIN	Taj Bradley (10-6)	#51
Thu, Aug 20th				vs SF	Landen Roupp (8-13)	#97
Mon, Sep 7th				@ BAL	Trevor Rogers (9-9)	#39
Mon, Sep 14th				vs CWS

Who Should I Trade?

Isaac Mattson for Tim Herrin (2026)

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