Who Should I Trade?

Isaac Mattson for Jairo Iriarte (2026)

Summary
Stats
Projections
News & Notes
Schedule

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

Rest of Season	# 391	‐
VBR	# 750	# 1080

Projections

Strikeouts	20	4
Wins	1	0
Saves	0	0
ERA	4.45	4.67
WHIP	1.42	1.50

Misc

Injury Alert	-	MiLB

Expert Ranks

Kelly Kirby FantasyPros	# 422	‐

Kevin Spinelli KevScores	# 418	‐

Who Should I Trade? Player Statistics
	Isaac Mattson RP - PIT	Jairo Iriarte RP - CWS
2026 Stats


Games Played	34	‐

Games Started	0	‐

Innings Pitched	32.2	‐

Wins	0	‐

Losses	0	‐

Saves	0	‐

Blown Saves	2	‐

Holds	8	‐

Hits Allowed	31	‐

Earned Runs	15	‐

Home Runs Allowed	3	‐

Strikeouts	29	‐

Walks	14	‐

ERA	4.13	‐

WHIP	1.38	‐

Who Should I Trade? Player Projections
	Isaac Mattson RP - PIT	Jairo Iriarte RP - CWS
2026 Projections


Games Played	25	7

Games Started	0	0

Innings Pitched	21.9	3.9

Wins	1	0

Losses	1	0

Saves	0	0

Blown Saves	0	0

Holds	4	0

Hits Allowed	20	4

Earned Runs	11	2

Home Runs Allowed	3	1

Strikeouts	20	4

Walks	10	2

ERA	4.45	4.67

WHIP	1.42	1.50

Who Should I Trade? Player Notes
	Isaac Mattson RP - PIT	Jairo Iriarte RP - CWS
News
	The Pirates recalled RHP Isaac Mattson from Triple-A Indianapolis. Ari Koslow Sat, Jun 13th	The Chicago White Sox outrighted Jairo Iriarte to Triple-A Charlotte on Friday. Nicholas Rodriguez Sat, Feb 7th
	Isaac Mattson has been sent to Triple-A Indianapolis. Nate Miller - FantasyPros Wed, May 20th	The White Sox have designated right-hander Jairo Iriarte for assignment. Brenton Kemp Sun, Feb 1st
	Isaac Mattson pitched a perfect eighth inning on Sunday, including a strikeout, for his fifth hold of the season as the Pirates defeated the Rays, 6-3. David Leisering Sun, Apr 19th
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			Jairo Iriarte RP - CWS
Thu, Mar 26th	@ NYM	Freddy Peralta (5-8)	#35	@ MIL	Jacob Misiorowski (10-4)	#6
Sat, Mar 28th	@ NYM	David Peterson (4-7)	#85	@ MIL	Chad Patrick (5-4)	#127
Sun, Mar 29th	@ NYM	Nolan McLean (7-6)	#31	@ MIL	Brandon Sproat (3-4)	#124
Mon, Mar 30th	@ CIN	Chase Burns (11-1)	#22	@ MIA	Chris Paddack (0-7)
Tue, Mar 31st	@ CIN	Brandon Williamson (2-3)	#428	@ MIA	Janson Junk (4-5)	#110
Wed, Apr 1st	@ CIN	Andrew Abbott (5-5)	#90	@ MIA	Sandy Alcantara (10-5)	#55
Fri, Apr 3rd	vs BAL	Kyle Bradish (6-9)	#40	vs TOR	Dylan Cease (6-4)	#10
Sat, Apr 4th	vs BAL	Shane Baz (4-9)	#70	vs TOR	Mason Fluharty (4-1)	#169
Sun, Apr 5th	vs BAL	Chris Bassitt (4-4)	#200	vs TOR	Eric Lauer (4-5)	#355
Mon, Apr 6th	vs SD	German Marquez (4-2)	#329	vs BAL	Brandon Young (8-2)	#134
Tue, Apr 7th	vs SD	Nick Pivetta (1-2)	#94	vs BAL	Trevor Rogers (6-7)	#78
Wed, Apr 8th	vs SD	Michael King (6-7)	#50	vs BAL	Kyle Bradish (6-9)	#40
Fri, Apr 10th	@ CHC	Shota Imanaga (6-8)	#30	@ KC	Kris Bubic (3-2)	#131
Sat, Apr 11th	@ CHC	Edward Cabrera (5-4)	#97	@ KC	Michael Wacha (5-7)	#71
Sun, Apr 12th	@ CHC	Jameson Taillon (2-5)	#119	@ KC	Noah Cameron (5-8)	#76
Mon, Apr 13th	vs WSH	Cade Cavalli (6-4)	#68
Tue, Apr 14th	vs WSH	PJ Poulin (3-0)	#293	vs TB	Shane McClanahan (8-6)	#33
Wed, Apr 15th	vs WSH	Jake Irvin (2-4)	#197	vs TB	Cole Sulser
Thu, Apr 16th	vs WSH	Foster Griffin (11-2)	#62	vs TB	Steven Matz (4-4)	#196
Fri, Apr 17th	vs TB	Nick Martinez (8-2)	#88	@ ATH	Aaron Civale (5-7)	#297
Sat, Apr 18th	vs TB	Drew Rasmussen (7-5)	#20	@ ATH	Luis Severino (2-6)	#183
Sun, Apr 19th	vs TB	Shane McClanahan (8-6)	#33	@ ATH	Jeffrey Springs (3-9)	#181
Tue, Apr 21st	@ TEX	Kumar Rocker (2-8)	#102	@ ARI	Merrill Kelly (7-8)	#118
Wed, Apr 22nd	@ TEX	Jack Leiter (3-7)	#115	@ ARI	Eduardo Rodriguez (8-3)	#113
Thu, Apr 23rd	@ TEX	Jacob deGrom (7-5)	#9	@ ARI	Michael Soroka (8-3)	#72
Fri, Apr 24th	@ MIL	Brandon Woodruff (2-2)		vs WSH	PJ Poulin (3-0)	#293
Sat, Apr 25th	@ MIL	Jacob Misiorowski (10-4)	#6	vs WSH	Jake Irvin (2-4)	#197
Sun, Apr 26th	@ MIL	Kyle Harrison (8-2)	#59	vs WSH	Foster Griffin (11-2)	#62
Mon, Apr 27th	vs STL	Dustin May (5-7)	#52	vs LAA	Jack Kochanowicz (2-5)
Tue, Apr 28th	vs STL	Kyle Leahy (7-4)	#130	vs LAA	Jose Soriano (8-6)	#47
Wed, Apr 29th	vs STL	Andre Pallante (10-6)	#137	vs LAA	Yusei Kikuchi (0-3)	#142
Thu, Apr 30th	vs STL	Hunter Dobbins (1-1)	#176
Fri, May 1st	vs CIN	Brady Singer (4-9)	#158	@ SD	German Marquez (4-2)	#329
Sat, May 2nd	vs CIN	Rhett Lowder (3-7)	#208	@ SD	Michael King (6-7)	#50
Sun, May 3rd	vs CIN	Chase Burns (11-1)	#22	@ SD	Griffin Canning (1-8)	#145
Tue, May 5th	@ ARI	Eduardo Rodriguez (8-3)	#113	@ LAA	Sam Aldegheri (3-4)	#431
Wed, May 6th	@ ARI	Michael Soroka (8-3)	#72	@ LAA	Walbert Urena (5-7)	#267
Thu, May 7th	@ ARI	Zac Gallen (3-9)	#171
Fri, May 8th	@ SF	Robbie Ray (8-6)	#86	vs SEA	Emerson Hancock (6-4)	#92
Sat, May 9th	@ SF	Landen Roupp (7-8)	#58	vs SEA	Luis Castillo (3-8)	#65
Sun, May 10th	@ SF	Tyler Mahle (2-8)	#89	vs SEA	Logan Gilbert (8-6)	#8
Tue, May 12th	vs COL	Michael Lorenzen (3-9)	#430	vs KC	Stephen Kolek (4-3)	#174
Wed, May 13th	vs COL	Jose Quintana (2-3)	#435	vs KC	Seth Lugo (3-6)	#122
Thu, May 14th	vs COL	Chase Dollander (3-3)		vs KC	Kris Bubic (3-2)	#131
Fri, May 15th	vs PHI	Aaron Nola (3-7)	#53	vs CHC	Edward Cabrera (5-4)	#97
Sat, May 16th	vs PHI	Cristopher Sanchez (11-4)	#4	vs CHC	Jameson Taillon (2-5)	#119
Sun, May 17th	vs PHI	Zack Wheeler (10-1)	#5	vs CHC	Colin Rea (7-6)	#190
Tue, May 19th	@ STL	Matthew Liberatore (5-6)	#120	@ SEA	Bryce Miller (4-4)	#34
Wed, May 20th	@ STL	Michael McGreevy (4-7)	#80	@ SEA	Emerson Hancock (6-4)	#92
Thu, May 21st	@ STL	Dustin May (5-7)	#52
Fri, May 22nd	@ TOR	Kevin Gausman (4-8)	#23	@ SF	Trevor McDonald (3-7)	#172
Sat, May 23rd	@ TOR	Patrick Corbin (3-4)	#222	@ SF	Adrian Houser (2-7)	#184
Sun, May 24th	@ TOR	Dylan Cease (6-4)	#10	@ SF	Robbie Ray (8-6)	#86
Mon, May 25th	vs CHC	Ben Brown (4-2)	#91	vs MIN	Zebby Matthews (4-7)	#109
Tue, May 26th	vs CHC	Jordan Wicks (0-2)	#231	vs MIN	Joe Ryan (6-5)	#14
Wed, May 27th	vs CHC	Jameson Taillon (2-5)	#119	vs MIN	Connor Prielipp (2-5)	#129
Thu, May 28th	vs CHC	Colin Rea (7-6)	#190	vs MIN	Simeon Woods Richardson (1-7)	#377
Fri, May 29th	vs MIN	Taj Bradley (9-4)	#48	vs DET	Troy Melton (5-1)	#106
Sat, May 30th	vs MIN	Bailey Ober (7-3)	#95	vs DET	Framber Valdez (5-6)	#29
Sun, May 31st	vs MIN	Zebby Matthews (4-7)	#109	vs DET	Keider Montero (6-5)	#157
Tue, Jun 2nd	@ HOU	Mike Burrows (4-9)	#180	@ MIN	Connor Prielipp (2-5)	#129
Wed, Jun 3rd	@ HOU	Spencer Arrighetti (7-5)	#138	@ MIN	Taj Bradley (9-4)	#48
Thu, Jun 4th	@ HOU	Kai-Wei Teng (4-6)	#247
Fri, Jun 5th	@ ATL	Martin Perez (6-6)	#239	@ PHI	Jesus Luzardo (9-4)	#11
Sat, Jun 6th	@ ATL	Spencer Strider (4-2)	#205	@ PHI	Andrew Painter (1-8)	#261
Sun, Jun 7th	@ ATL	Bryce Elder (5-6)	#123	@ PHI	Aaron Nola (3-7)	#53
Tue, Jun 9th	vs LAD	Eric Lauer (4-5)	#355	vs ATL	Grant Holmes (6-4)	#148
Wed, Jun 10th	vs LAD	Shohei Ohtani (8-2)	#1	vs ATL	Chris Sale (10-6)	#7
Thu, Jun 11th	vs LAD	Justin Wrobleski (10-2)	#82
Fri, Jun 12th	vs MIA	Sandy Alcantara (10-5)	#55	vs LAD	Roki Sasaki (3-5)	#117
Sat, Jun 13th	vs MIA	Lake Bachar (1-1)	#186	vs LAD	Yoshinobu Yamamoto (10-6)	#12
Sun, Jun 14th	vs MIA	Max Meyer (9-1)	#42	vs LAD	Emmet Sheehan (4-6)	#43
Mon, Jun 15th	@ ATH	J.T. Ginn (8-6)	#156
Tue, Jun 16th	@ ATH	Jack Perkins (2-5)	#108	@ NYY	Gerrit Cole (3-5)	#27
Wed, Jun 17th	@ ATH	Aaron Civale (5-7)	#297	@ NYY	Carlos Rodon (4-2)	#98
Fri, Jun 19th	@ COL	Kyle Freeland (2-8)	#275	@ DET	Tarik Skubal (6-5)	#2
Sat, Jun 20th	@ COL	Tomoyuki Sugano (9-4)	#438	@ DET	Troy Melton (5-1)	#106
Sun, Jun 21st	@ COL	Michael Lorenzen (3-9)	#430	@ DET	Keider Montero (6-5)	#157
Tue, Jun 23rd	vs SEA	George Kirby (7-8)	#18	vs CLE	Parker Messick (8-5)	#41
Wed, Jun 24th	vs SEA	Bryan Woo (7-6)	#13	vs CLE	Tanner Bibee (3-9)	#44
Thu, Jun 25th	vs SEA	Bryce Miller (4-4)	#34
Fri, Jun 26th	vs CIN	Andrew Abbott (5-5)	#90	vs KC	Steven Cruz
Sat, Jun 27th	vs CIN	Chase Burns (11-1)	#22	vs KC	Michael Wacha (5-7)	#71
Sun, Jun 28th	vs CIN	Brady Singer (4-9)	#158	vs KC	Luinder Avila (4-3)	#221
Mon, Jun 29th	@ PHI	Aaron Nola (3-7)	#53	@ BAL	Shane Baz (4-9)	#70
Tue, Jun 30th	@ PHI	Cristopher Sanchez (11-4)	#4	@ BAL	Trey Gibson (1-3)	#305
Wed, Jul 1st	@ PHI	Zack Wheeler (10-1)	#5	@ BAL	Dean Kremer (1-2)	#81
Thu, Jul 2nd	@ PHI	Alan Rangel (0-3)	#304	@ CLE	Slade Cecconi (4-6)	#112
Fri, Jul 3rd	@ WSH	Foster Griffin (11-2)	#62	@ CLE	Gavin Williams (10-5)	#26
Sat, Jul 4th	@ WSH	Carson Palmquist (0-1)	#284	@ CLE	Parker Messick (8-5)	#41
Sun, Jul 5th	@ WSH	Cade Cavalli (6-4)	#68	@ CLE	Tanner Bibee (3-9)	#44
Tue, Jul 7th	vs ATL	Hurston Waldrep (0-1)	#226	vs BOS	Payton Tolle (5-6)	#61
Wed, Jul 8th	vs ATL	Grant Holmes (6-4)	#148	vs BOS	Jake Bennett (5-3)	#104
Thu, Jul 9th	vs ATL	Bryce Elder (5-6)	#123	vs BOS	Patrick Sandoval (0-0)	#151
Sat, Jul 11th	vs MIL	Shane Drohan (5-3)	#93	vs ATH	Gage Jump (3-5)	#99
Sun, Jul 12th	vs MIL	Robert Gasser (2-4)	#136	vs ATH	J.T. Ginn (8-6)	#156
Sat, Jul 18th	@ CLE	Logan Allen (0-0)	#160	@ TOR	Shane Bieber (1-1)	#74
Sun, Jul 19th	@ CLE	Joey Cantillo (8-5)	#84	@ TOR	Trey Yesavage (4-5)	#83
Mon, Jul 20th	@ NYY	Ryan Weathers (3-7)	#46	@ TEX	Jacob deGrom (7-5)	#9
Tue, Jul 21st	@ NYY	Will Warren (7-4)	#67	@ TEX	Kumar Rocker (2-8)	#102
Wed, Jul 22nd	@ NYY	Gerrit Cole (3-5)	#27	@ TEX	Cal Quantrill (3-2)	#316
Fri, Jul 24th	vs CHC	Matthew Boyd (6-1)	#38	vs HOU	Spencer Arrighetti (7-5)	#138
Sat, Jul 25th	vs CHC	Shota Imanaga (6-8)	#30	vs HOU	Hunter Brown (1-1)	#21
Sun, Jul 26th	vs CHC	Jameson Taillon (2-5)	#119	vs HOU	Ronel Blanco	#212
Mon, Jul 27th	vs ARI	Merrill Kelly (7-8)	#118	vs NYY	Max Fried (4-3)	#28
Tue, Jul 28th	vs ARI	Brandon Pfaadt (4-1)	#79	vs NYY	Gerrit Cole (3-5)	#27
Wed, Jul 29th	vs ARI	Eduardo Rodriguez (8-3)	#113	vs NYY	Cam Schlittler (9-6)	#19
Thu, Jul 30th	@ CIN			vs NYY
Fri, Jul 31st	@ CIN			@ TB
Sat, Aug 1st	@ CIN			@ TB
Sun, Aug 2nd	@ CIN			@ TB
Mon, Aug 3rd	@ MIL
Tue, Aug 4th	@ MIL			@ BOS
Wed, Aug 5th	@ MIL			@ BOS
Thu, Aug 6th	@ MIL			@ BOS
Fri, Aug 7th	vs NYM			vs CLE
Sat, Aug 8th	vs NYM			vs CLE
Sun, Aug 9th	vs NYM			vs CLE
Tue, Aug 11th	@ MIA			vs CIN
Wed, Aug 12th	@ MIA			vs CIN
Thu, Aug 13th	@ MIA			vs CIN
Fri, Aug 14th	vs BOS			@ DET
Sat, Aug 15th	vs BOS			@ DET
Sun, Aug 16th	vs BOS			@ DET
Mon, Aug 17th	vs DET			@ CHC
Tue, Aug 18th	vs DET			@ CHC
Wed, Aug 19th	vs DET			@ CHC
Fri, Aug 21st	@ LAD			vs NYM
Sat, Aug 22nd	@ LAD			vs NYM
Sun, Aug 23rd	@ LAD			vs NYM
Mon, Aug 24th	@ SD			vs TEX
Tue, Aug 25th	@ SD			vs TEX
Wed, Aug 26th	@ SD			vs TEX
Fri, Aug 28th	@ STL			@ MIN
Sat, Aug 29th	@ STL			@ MIN
Sun, Aug 30th	@ STL			@ MIN
Tue, Sep 1st	vs SF			@ HOU
Wed, Sep 2nd	vs SF			@ HOU
Thu, Sep 3rd	vs SF			@ HOU
Fri, Sep 4th	vs LAA			vs MIN
Sat, Sep 5th	vs LAA			vs MIN
Sun, Sep 6th	vs LAA			vs MIN
Tue, Sep 8th	@ CWS			vs PIT
Wed, Sep 9th	@ CWS			vs PIT
Thu, Sep 10th	@ CWS			vs PIT
Fri, Sep 11th	@ CHC			@ STL
Sat, Sep 12th	@ CHC			@ STL
Sun, Sep 13th	@ CHC			@ STL
Tue, Sep 15th	vs MIL			@ CLE
Wed, Sep 16th	vs MIL			@ CLE
Thu, Sep 17th	vs MIL			vs DET
Fri, Sep 18th	vs KC			vs DET
Sat, Sep 19th	vs KC			vs DET
Sun, Sep 20th	vs KC			vs DET
Tue, Sep 22nd	vs STL			@ KC
Wed, Sep 23rd	vs STL			@ KC
Thu, Sep 24th	vs STL			@ KC
Fri, Sep 25th	@ DET			vs COL
Sat, Sep 26th	@ DET			vs COL
Sun, Sep 27th	@ DET			vs COL
Thu, Apr 9th				@ KC	Seth Lugo (3-6)	#122
Mon, May 4th				@ LAA	Jose Soriano (8-6)	#47
Mon, May 18th				@ SEA	Bryan Woo (7-6)	#13
Mon, Jun 1st				@ MIN	Joe Ryan (6-5)	#14
Thu, Jun 18th				@ NYY	Ryan Weathers (3-7)	#46
Mon, Jun 22nd				vs CLE	Gavin Williams (10-5)	#26
Fri, Jul 10th				vs ATH	Jacob Lopez (4-4)	#202
Fri, Jul 17th				@ TOR	Spencer Miles (4-2)	#105
Thu, Aug 20th				vs ATL	Martin Perez (6-6)	#239
Mon, Aug 31st				@ HOU
Mon, Sep 14th				@ CLE

Who Should I Trade?

Isaac Mattson for Jairo Iriarte (2026)

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