Who Should I Trade?

Colin Holderman for Isaac Mattson (2026)

Summary
Stats
Projections
News & Notes
Schedule

Who Should I Trade? Player Summaries
	Experts' Pick
	Colin Holderman RP - CLE	Isaac Mattson RP - PIT
Expert Recommendation	100% Recommended by 2 of 2 experts	0% Recommended by 0 of 2 experts
Rankings

Rest of Season	# 256	# 392
VBR	# 546	# 840

Projections

Strikeouts	3	4
Wins	0	0
Saves	0	0
ERA	3.33	4.18
WHIP	1.17	1.45

Misc

Injury Alert	IL15	IL15

Expert Ranks

Kelly Kirby FantasyPros	# 216	# 427

Kevin Spinelli KevScores	# 258	# 418

Who Should I Trade? Player Statistics
	Colin Holderman RP - CLE	Isaac Mattson RP - PIT
2026 Stats


Games Played	54	38

Games Started	0	0

Innings Pitched	52.2	38.2

Wins	6	0

Losses	4	0

Saves	1	0

Blown Saves	1	2

Holds	11	8

Hits Allowed	35	44

Earned Runs	16	23

Home Runs Allowed	1	3

Strikeouts	50	36

Walks	20	18

ERA	2.73	5.35

WHIP	1.04	1.60

Who Should I Trade? Player Projections
	Colin Holderman RP - CLE	Isaac Mattson RP - PIT
2026 Projections


Games Played	4	5

Games Started	0	0

Innings Pitched	3.2	4.7

Wins	0	0

Losses	0	0

Saves	0	0

Blown Saves	0	0

Holds	0	1

Hits Allowed	3	4

Earned Runs	1	2

Home Runs Allowed	0	1

Strikeouts	3	4

Walks	1	2

ERA	3.33	4.18

WHIP	1.17	1.45

Who Should I Trade? Player Notes
	Colin Holderman RP - CLE	Isaac Mattson RP - PIT
News
	The Guardians placed RHP Colin Holderman on the 15-day injured list with right wrist inflammation. Ari Koslow Fri, Sep 4th	The Pirates placed RHP Isaac Mattson on the 15-day injured list with hip inflammation. Ari Koslow Tue, Sep 8th
	Colin Holderman was scheduled to return to throwing off the mound on Tuesday. Ari Koslow Wed, Aug 19th	The Pirates recalled RHP Isaac Mattson from Triple-A Indianapolis. Ari Koslow Fri, Sep 4th
	Colin Holderman left Saturday’s game in the seventh inning with an apparent injury. Ari Koslow Sun, Aug 16th	The Pirates optioned Isaac Mattson to Triple-A Indianapolis. Ari Koslow Tue, Aug 18th
	Colin Holderman threw a scoreless inning on 11 pitches to earn the save in Saturday's 4-1 win over the Marlins. Matthew Adam Sun, Jul 12th	The Pirates recalled RHP Isaac Mattson from Triple-A Indianapolis. Ari Koslow Thu, Aug 13th
	Colin Holderman has been recalled from Triple-A Columbus. Nate Miller - FantasyPros Sun, Apr 26th	The Pirates optioned RHP Isaac Mattson to Triple-A Indianapolis. Ari Koslow Sun, Aug 2nd
Notes
There are no recent notes for these players

Who Should I Trade? Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	Colin Holderman RP - CLE			Isaac Mattson RP - PIT
Thu, Mar 26th	@ SEA	Logan Gilbert (11-9)	#12	@ NYM	Freddy Peralta (8-11)	#48
Fri, Mar 27th	@ SEA	George Kirby (9-11)	#26
Sat, Mar 28th	@ SEA	Bryan Woo (11-9)	#15	@ NYM	David Peterson (7-8)	#109
Sun, Mar 29th	@ SEA	Emerson Hancock (7-8)	#198	@ NYM	Nolan McLean (11-8)	#35
Mon, Mar 30th	@ LAD	Roki Sasaki (5-5)	#160	@ CIN	Chase Burns (15-3)	#31
Tue, Mar 31st	@ LAD	Shohei Ohtani (8-2)	#1	@ CIN	Brandon Williamson (3-4)	#405
Wed, Apr 1st	@ LAD	Yoshinobu Yamamoto (13-8)	#9	@ CIN	Andrew Abbott (6-10)	#115
Fri, Apr 3rd	vs CHC	Cade Horton (1-0)		vs BAL	Kyle Bradish (7-13)	#60
Sun, Apr 5th	vs CHC	Shota Imanaga (9-10)	#37	vs BAL	Chris Bassitt (6-5)	#138
Mon, Apr 6th	vs KC	Michael Wacha (9-8)	#73	vs SD	German Marquez (4-2)	#357
Tue, Apr 7th	vs KC	Noah Cameron (9-8)	#72	vs SD	Nick Pivetta (2-2)	#38
Wed, Apr 8th	vs KC	Cole Ragans (1-4)		vs SD	Michael King (10-9)	#61
Fri, Apr 10th	@ ATL	Bryce Elder (8-8)	#282	@ CHC	Shota Imanaga (9-10)	#37
Sat, Apr 11th	@ ATL	Martin Perez (8-9)	#163	@ CHC	Edward Cabrera (5-5)	#176
Sun, Apr 12th	@ ATL	Chris Sale (14-9)	#4	@ CHC	Jameson Taillon (2-6)
Mon, Apr 13th	@ STL	Matthew Liberatore (5-14)	#80	vs WSH	Cade Cavalli (12-5)	#39
Tue, Apr 14th	@ STL	Michael McGreevy (6-9)	#99	vs WSH	PJ Poulin (3-0)
Wed, Apr 15th	@ STL	Dustin May (6-9)	#57	vs WSH	Jake Irvin (2-9)	#157
Thu, Apr 16th	vs BAL	Shane Baz (6-15)	#63	vs WSH	Foster Griffin (15-5)	#59
Fri, Apr 17th	vs BAL	Chris Bassitt (6-5)	#138	vs TB	Nick Martinez (14-4)	#88
Sat, Apr 18th	vs BAL	Dean Kremer (3-5)	#84	vs TB	Drew Rasmussen (14-5)	#13
Sun, Apr 19th	vs BAL	Trevor Rogers (10-9)	#47	vs TB	Shane McClanahan (10-7)	#178
Mon, Apr 20th	vs HOU	Spencer Arrighetti (7-9)	#143
Tue, Apr 21st	vs HOU	Ryan Weiss (0-3)		@ TEX	Kumar Rocker (5-11)	#117
Wed, Apr 22nd	vs HOU	Peter Lambert (8-8)	#136	@ TEX	Jack Leiter (3-7)	#185
Fri, Apr 24th	@ TOR	Max Scherzer (2-7)	#111	@ MIL	Brandon Woodruff (2-2)
Sat, Apr 25th	@ TOR	Kevin Gausman (9-12)	#25	@ MIL	Jacob Misiorowski (14-5)	#8
Sun, Apr 26th	@ TOR	Patrick Corbin (3-4)		@ MIL	Kyle Harrison (10-4)	#65
Mon, Apr 27th	vs TB	Steven Matz (5-5)	#182	vs STL	Dustin May (6-9)	#57
Tue, Apr 28th	vs TB	Nick Martinez (14-4)	#88	vs STL	Kyle Leahy (10-4)	#86
Wed, Apr 29th	vs TB	Drew Rasmussen (14-5)	#13	vs STL	Andre Pallante (12-6)	#110
Fri, May 1st	@ ATH	J.T. Ginn (9-8)	#314	vs CIN	Brady Singer (6-13)	#142
Sat, May 2nd	@ ATH	Jacob Lopez (6-4)	#145	vs CIN	Rhett Lowder (6-10)	#184
Sun, May 3rd	@ ATH	Aaron Civale (6-7)	#175	vs CIN	Chase Burns (15-3)	#31
Mon, May 4th	@ KC	Michael Wacha (9-8)	#73
Tue, May 5th	@ KC	Stephen Kolek (4-3)		@ ARI	Eduardo Rodriguez (15-5)	#116
Wed, May 6th	@ KC	Cole Ragans (1-4)		@ ARI	Michael Soroka (8-5)	#82
Thu, May 7th	@ KC	Seth Lugo (6-8)	#146	@ ARI	Zac Gallen (3-9)	#131
Fri, May 8th	vs MIN	Connor Prielipp (4-7)	#67	@ SF	Robbie Ray (11-8)	#113
Sat, May 9th	vs MIN	Joe Ryan (6-9)	#19	@ SF	Landen Roupp (9-13)	#94
Sun, May 10th	vs MIN	Andrew Morris (4-7)	#195	@ SF	Tyler Mahle (5-10)	#62
Mon, May 11th	vs LAA	Brent Suter (2-2)	#196
Tue, May 12th	vs LAA	Walbert Urena (9-10)	#152	vs COL	Michael Lorenzen (3-12)	#127
Wed, May 13th	vs LAA	Reid Detmers (5-8)	#32	vs COL	Jose Quintana (2-3)	#401
Fri, May 15th	vs CIN	Andrew Abbott (6-10)	#115	vs PHI	Aaron Nola (6-10)	#52
Sat, May 16th	vs CIN	Chris Paddack (0-7)		vs PHI	Cristopher Sanchez (17-5)	#3
Sun, May 17th	vs CIN	Brady Singer (6-13)	#142	vs PHI	Zack Wheeler (12-5)	#10
Mon, May 18th	@ DET	Framber Valdez (9-10)	#43
Tue, May 19th	@ DET	Keider Montero (9-8)	#119	@ STL	Matthew Liberatore (5-14)	#80
Wed, May 20th	@ DET	Drew Anderson (4-6)	#75	@ STL	Michael McGreevy (6-9)	#99
Thu, May 21st	@ DET	Casey Mize (5-9)	#50	@ STL	Dustin May (6-9)	#57
Fri, May 22nd	@ PHI	Cristopher Sanchez (17-5)	#3	@ TOR	Kevin Gausman (9-12)	#25
Sat, May 23rd	@ PHI	Zack Wheeler (12-5)	#10	@ TOR	Patrick Corbin (3-4)
Sun, May 24th	@ PHI	Andrew Painter (3-9)	#125	@ TOR	Dylan Cease (10-5)	#11
Mon, May 25th	vs WSH	PJ Poulin (3-0)		vs CHC	Ben Brown (4-2)
Tue, May 26th	vs WSH	Cade Cavalli (12-5)	#39	vs CHC	Jordan Wicks (0-2)	#274
Wed, May 27th	vs WSH	PJ Poulin (3-0)		vs CHC	Jameson Taillon (2-6)
Fri, May 29th	vs BOS	Tyler Samaniego		vs MIN	Taj Bradley (11-6)	#45
Sat, May 30th	vs BOS	Sonny Gray (17-4)	#33	vs MIN	Bailey Ober (7-5)	#93
Sun, May 31st	vs BOS	Ranger Suarez (6-4)	#36	vs MIN	Zebby Matthews (9-10)	#92
Tue, Jun 2nd	@ NYY	Cam Schlittler (13-6)	#14	@ HOU	Mike Burrows (4-9)	#242
Wed, Jun 3rd	@ NYY	Gerrit Cole (8-8)	#20	@ HOU	Spencer Arrighetti (7-9)	#143
Thu, Jun 4th	@ NYY	Carlos Rodon (5-3)	#42	@ HOU	Kai-Wei Teng (5-7)	#261
Fri, Jun 5th	@ TEX	Kumar Rocker (5-11)	#117	@ ATL	Martin Perez (8-9)	#163
Sat, Jun 6th	@ TEX	Jack Leiter (3-7)	#185	@ ATL	Spencer Strider (4-2)
Sun, Jun 7th	@ TEX	Jacob deGrom (10-9)	#6	@ ATL	Bryce Elder (8-8)	#282
Mon, Jun 8th	vs NYY	Will Warren (10-6)	#71
Tue, Jun 9th	vs NYY	Gerrit Cole (8-8)	#20	vs LAD	Eric Lauer (8-7)	#349
Wed, Jun 10th	vs NYY	Carlos Rodon (5-3)	#42	vs LAD	Shohei Ohtani (8-2)	#1
Fri, Jun 12th	vs DET	Jack Flaherty (3-8)	#87	vs MIA	Sandy Alcantara (13-10)	#83
Sat, Jun 13th	vs DET	Tarik Skubal (9-7)	#2	vs MIA	Lake Bachar (1-3)	#210
Tue, Jun 16th	@ MIL	Robert Gasser (4-5)	#85	@ ATH	Jack Perkins (3-11)	#134
Wed, Jun 17th	@ MIL	Brandon Sproat (3-7)	#203	@ ATH	Aaron Civale (6-7)	#175
Thu, Jun 18th	@ MIL	Shane Drohan (7-5)	#91
Fri, Jun 19th	@ HOU	Tatsuya Imai (6-4)	#96	@ COL	Kyle Freeland (4-10)	#378
Sat, Jun 20th	@ HOU	Spencer Arrighetti (7-9)	#143	@ COL	Tomoyuki Sugano (12-9)	#406
Sun, Jun 21st	@ HOU	Kai-Wei Teng (5-7)	#261	@ COL	Michael Lorenzen (3-12)	#127
Mon, Jun 22nd	@ CWS	Anthony Kay (9-8)	#141
Tue, Jun 23rd	@ CWS	Sean Burke (8-7)	#64	vs SEA	George Kirby (9-11)	#26
Wed, Jun 24th	@ CWS	Chris Murphy		vs SEA	Bryan Woo (11-9)	#15
Fri, Jun 26th	vs SEA	Luis Castillo (4-11)	#102	vs CIN	Andrew Abbott (6-10)	#115
Sat, Jun 27th	vs SEA	Logan Gilbert (11-9)	#12	vs CIN	Chase Burns (15-3)	#31
Sun, Jun 28th	vs SEA	Emerson Hancock (7-8)	#198	vs CIN	Brady Singer (6-13)	#142
Mon, Jun 29th	vs TEX	Tyler Alexander (5-2)	#170	@ PHI	Aaron Nola (6-10)	#52
Tue, Jun 30th	vs TEX	Jacob deGrom (10-9)	#6	@ PHI	Cristopher Sanchez (17-5)	#3
Wed, Jul 1st	vs TEX	MacKenzie Gore (8-10)	#40	@ PHI	Zack Wheeler (12-5)	#10
Thu, Jul 2nd	vs CWS	Davis Martin (9-7)	#95	@ PHI	Alan Rangel (0-3)	#286
Fri, Jul 3rd	vs CWS	Anthony Kay (9-8)	#141	@ WSH	Foster Griffin (15-5)	#59
Sat, Jul 4th	vs CWS	Sean Burke (8-7)	#64	@ WSH	Carson Palmquist (0-2)	#352
Sun, Jul 5th	vs CWS	Chris Murphy		@ WSH	Cade Cavalli (12-5)	#39
Tue, Jul 7th	@ MIN	Taj Bradley (11-6)	#45	vs ATL	Hurston Waldrep (0-1)
Wed, Jul 8th	@ MIN	Connor Prielipp (4-7)	#67	vs ATL	Grant Holmes (9-5)	#137
Thu, Jul 9th	@ MIN	Bailey Ober (7-5)	#93	vs ATL	Bryce Elder (8-8)	#282
Fri, Jul 10th	@ MIA	Sandy Alcantara (13-10)	#83
Sat, Jul 11th	@ MIA	Eury Perez (7-11)	#51	vs MIL	Shane Drohan (7-5)	#91
Sun, Jul 12th	@ MIA	Tyler Phillips (5-6)	#155	vs MIL	Robert Gasser (4-5)	#85
Sat, Jul 18th	vs PIT	Mason Montgomery (6-3)	#100	@ CLE	Logan Allen (0-0)	#221
Sun, Jul 19th	vs PIT	Paul Skenes (10-11)	#5	@ CLE	Joey Cantillo (9-9)	#74
Mon, Jul 20th	vs MIN	Joe Ryan (6-9)	#19	@ NYY	Ryan Weathers (5-8)	#167
Tue, Jul 21st	vs MIN	Kendry Rojas (1-1)	#249
Wed, Jul 22nd	vs MIN	Bailey Ober (7-5)	#93	@ NYY	Max Fried (4-4)	#18
Thu, Jul 23rd	vs MIN	Taj Bradley (11-6)	#45
Fri, Jul 24th	@ TB	Shane McClanahan (10-7)	#178	vs CHC	Matthew Boyd (8-4)	#58
Sat, Jul 25th	@ TB	Nick Martinez (14-4)	#88	vs CHC	Shota Imanaga (9-10)	#37
Sun, Jul 26th	@ TB	Drew Rasmussen (14-5)	#13	vs CHC	Jameson Taillon (2-6)
Tue, Jul 28th	@ CIN	Caleb Ferguson		vs ARI	Brandon Pfaadt (7-2)	#106
Wed, Jul 29th	@ CIN	Brady Singer (6-13)	#142	vs ARI	Eduardo Rodriguez (15-5)	#116
Fri, Jul 31st	vs ARI	Mitch Bratt (1-3)	#330	@ CIN	Hunter Greene (2-2)
Sat, Aug 1st	vs ARI	Kohl Drake (0-1)	#321	@ CIN	Andrew Abbott (6-10)	#115
Sun, Aug 2nd	vs ARI	Merrill Kelly (9-13)	#135	@ CIN	Chase Burns (15-3)	#31
Tue, Aug 4th	vs NYM	Sean Manaea (5-7)	#77	@ MIL	Logan Henderson (10-3)	#29
Wed, Aug 5th	vs NYM	Christian Scott (4-4)	#46	@ MIL	Kyle Harrison (10-4)	#65
Thu, Aug 6th	vs NYM	Nolan McLean (11-8)	#35	@ MIL	Dustin May (6-9)	#57
Fri, Aug 7th	@ CWS	Noah Schultz (3-9)	#326	vs NYM	Zac Thornton (3-5)	#122
Sat, Aug 8th	@ CWS	Anthony Kay (9-8)	#141	vs NYM	Robert Stock (1-3)	#304
Sun, Aug 9th	@ CWS	Davis Martin (9-7)	#95	vs NYM	Sean Manaea (5-7)	#77
Tue, Aug 11th	@ DET	Drew Anderson (4-6)	#75	@ MIA	Eury Perez (7-11)	#51
Wed, Aug 12th	@ DET	Framber Valdez (9-10)	#43	@ MIA	Janson Junk (6-9)	#101
Thu, Aug 13th	@ DET	Keider Montero (9-8)	#119	@ MIA	Tyler Phillips (5-6)	#155
Fri, Aug 14th	vs SD	Michael King (10-9)	#61	vs BOS	Jake Bennett (9-7)	#76
Sat, Aug 15th	vs SD	Wandy Peralta (2-2)	#214	vs BOS	Sonny Gray (17-4)	#33
Sun, Aug 16th	vs SD	Casey Mize (5-9)	#50	vs BOS	Patrick Sandoval (1-5)	#107
Tue, Aug 18th	vs SF	Carson Whisenhunt (3-4)		vs DET	Keider Montero (9-8)	#119
Wed, Aug 19th	vs SF	Matt Wilkinson (1-3)	#281	vs DET	Jackson Jobe (1-2)	#156
Thu, Aug 20th	vs SF	Landen Roupp (9-13)	#94
Fri, Aug 21st	@ COL	Tanner Gordon (1-4)	#310	@ LAD	Yoshinobu Yamamoto (13-8)	#9
Sat, Aug 22nd	@ COL	Gabriel Hughes (0-7)	#309	@ LAD	Tarik Skubal (9-7)	#2
Sun, Aug 23rd	@ COL	Tomoyuki Sugano (12-9)	#406	@ LAD	Blake Snell (3-1)	#16
Mon, Aug 24th	@ LAA	George Klassen (2-2)	#305	@ SD	Robbie Ray (11-8)	#113
Tue, Aug 25th	@ LAA	Walbert Urena (9-10)	#152	@ SD	Michael King (10-9)	#61
Wed, Aug 26th	@ LAA	Grayson Rodriguez (4-7)	#89	@ SD	Randy Vasquez (10-6)	#169
Fri, Aug 28th	vs KC	Michael Wacha (9-8)	#73	@ STL	Quinn Mathews (1-3)	#129
Sat, Aug 29th	vs KC	Daniel Lynch (5-5)	#151	@ STL	Kyle Leahy (10-4)	#86
Sun, Aug 30th	vs KC	Seth Lugo (6-8)	#146	@ STL	Matthew Liberatore (5-14)	#80
Tue, Sep 1st	vs TOR	Spencer Miles (6-2)	#153	vs SF	Logan Webb (8-8)	#27
Wed, Sep 2nd	vs TOR	Dylan Cease (10-5)	#11	vs SF	Landen Roupp (9-13)	#94
Thu, Sep 3rd	vs TOR	Jose Soriano (12-7)	#49	vs SF	Blade Tidwell (0-2)	#147
Fri, Sep 4th	vs DET	Andrew Sears (0-1)	#262	vs LAA	Ryan Johnson (4-8)	#148
Sat, Sep 5th	vs DET	Framber Valdez (9-10)	#43	vs LAA	Yusei Kikuchi (1-5)	#78
Sun, Sep 6th	vs DET	Jackson Jobe (1-2)	#156	vs LAA	Walbert Urena (9-10)	#152
Mon, Sep 7th	@ BAL	Trevor Rogers (10-9)	#47
Tue, Sep 8th	@ BAL	Brandon Young (9-4)	#118	@ CWS	Sean Burke (8-7)	#64
Wed, Sep 9th	@ BAL	Shane Baz (6-15)	#63	@ CWS	Davis Martin (9-7)	#95
Fri, Sep 11th	@ MIN	Taj Bradley (11-6)	#45	@ CHC	Shota Imanaga (9-10)	#37
Sat, Sep 12th	@ MIN	Bailey Ober (7-5)	#93	@ CHC	Clay Holmes (6-7)	#68
Sun, Sep 13th	@ MIN	Joe Ryan (6-9)	#19	@ CHC	Matthew Boyd (8-4)	#58
Mon, Sep 14th	vs CWS	Davis Martin (9-7)	#95
Tue, Sep 15th	vs CWS	Luis Castillo (4-11)	#102	vs MIL	Robert Gasser (4-5)	#85
Wed, Sep 16th	vs CWS	Erick Fedde (8-8)	#395	vs MIL	Jacob Misiorowski (14-5)	#8
Fri, Sep 18th	vs ATH	Gage Jump (6-10)	#105	vs KC	Randy Dobnak (3-3)	#393
Sat, Sep 19th	vs ATH			vs KC
Sun, Sep 20th	vs ATH			vs KC
Tue, Sep 22nd	@ BOS			vs STL
Wed, Sep 23rd	@ BOS			vs STL
Thu, Sep 24th	@ BOS			vs STL
Fri, Sep 25th	@ KC			@ DET
Sat, Sep 26th	@ KC			@ DET
Sun, Sep 27th	@ KC			@ DET
Sat, Apr 4th				vs BAL	Shane Baz (6-15)	#63
Thu, Apr 23rd				@ TEX	Jacob deGrom (10-9)	#6
Thu, Apr 30th				vs STL	Hunter Dobbins (3-3)
Thu, May 14th				vs COL	Chase Dollander (3-3)
Thu, May 28th				vs CHC	Colin Rea (8-8)	#220
Thu, Jun 11th				vs LAD	Justin Wrobleski (11-5)	#166
Sun, Jun 14th				vs MIA	Max Meyer (9-1)
Mon, Jun 15th				@ ATH	J.T. Ginn (9-8)	#314
Thu, Jun 25th				vs SEA	Bryce Miller (4-9)	#53
Mon, Jul 27th				vs ARI	Merrill Kelly (9-13)	#135
Thu, Jul 30th				@ CIN	Rhett Lowder (6-10)	#184
Mon, Aug 3rd				@ MIL	Brandon Sproat (3-7)	#203
Mon, Aug 17th				vs DET	Framber Valdez (9-10)	#43
Thu, Sep 10th				@ CWS	Hagen Smith (3-1)	#234
Thu, Sep 17th				vs MIL	Dustin May (6-9)	#57

Who Should I Trade?

Colin Holderman for Isaac Mattson (2026)

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