Who Should I Trade?

Isaac Mattson for Trevor Stephan (2026)

Summary
Stats
Projections
News & Notes
Schedule

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

Rest of Season	# 391	‐
VBR	# 743	‐

Projections

Strikeouts	11	‐
Wins	1	‐
Saves	0	‐
ERA	4.40	‐
WHIP	1.44	‐

Misc

Injury Alert	MiLB	MiLB

Expert Ranks

Kelly Kirby FantasyPros	# 422	‐

Kevin Spinelli KevScores	# 418	‐

Who Should I Trade? Player Statistics
	Isaac Mattson RP - PIT	Trevor Stephan RP - CLE
2026 Stats


Games Played	36	‐

Games Started	0	‐

Innings Pitched	34.2	‐

Wins	0	‐

Losses	0	‐

Saves	0	‐

Blown Saves	2	‐

Holds	8	‐

Hits Allowed	38	‐

Earned Runs	19	‐

Home Runs Allowed	3	‐

Strikeouts	33	‐

Walks	16	‐

ERA	4.93	‐

WHIP	1.56	‐

Who Should I Trade? Player Projections
	Isaac Mattson RP - PIT	Trevor Stephan RP - CLE
2026 Projections


Games Played	15	‐

Games Started	0	‐

Innings Pitched	11.9	‐

Wins	1	‐

Losses	1	‐

Saves	0	‐

Blown Saves	0	‐

Holds	1	‐

Hits Allowed	11	‐

Earned Runs	6	‐

Home Runs Allowed	2	‐

Strikeouts	11	‐

Walks	6	‐

ERA	4.40	‐

WHIP	1.44	‐

Who Should I Trade? Player Notes
	Isaac Mattson RP - PIT	Trevor Stephan RP - CLE
News
	The Pirates optioned RHP Isaac Mattson to Triple-A Indianapolis. Ari Koslow Sun, Aug 2nd
	The Pirates recalled RHP Isaac Mattson from Triple-A Indianapolis. Ari Koslow Sat, Aug 1st
	The Pirates optioned RHP Isaac Mattson to Triple-A Indianapolis. Ari Koslow Wed, Jul 29th
	The Pirates recalled RHP Isaac Mattson from Triple-A Indianapolis. Ari Koslow Sat, Jun 13th
	Isaac Mattson has been sent to Triple-A Indianapolis. Nate Miller - FantasyPros Wed, May 20th
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			Trevor Stephan RP - CLE
Thu, Mar 26th	@ NYM	Freddy Peralta (5-9)	#50	@ SEA	Logan Gilbert (8-6)	#9
Sat, Mar 28th	@ NYM	David Peterson (6-7)	#88	@ SEA	Bryan Woo (7-8)	#12
Sun, Mar 29th	@ NYM	Nolan McLean (7-7)	#34	@ SEA	Emerson Hancock (6-5)	#76
Mon, Mar 30th	@ CIN	Chase Burns (13-1)	#26	@ LAD	Roki Sasaki (5-5)	#96
Tue, Mar 31st	@ CIN	Brandon Williamson (2-3)	#327	@ LAD	Shohei Ohtani (8-2)	#1
Wed, Apr 1st	@ CIN	Andrew Abbott (5-7)	#109	@ LAD	Yoshinobu Yamamoto (11-7)	#13
Fri, Apr 3rd	vs BAL	Kyle Bradish (7-10)	#43	vs CHC	Cade Horton (1-0)
Sat, Apr 4th	vs BAL	Shane Baz (4-10)	#63
Sun, Apr 5th	vs BAL	Chris Bassitt (4-4)	#135	vs CHC	Shota Imanaga (7-9)	#28
Mon, Apr 6th	vs SD	German Marquez (4-2)	#381	vs KC	Michael Wacha (5-8)	#72
Tue, Apr 7th	vs SD	Nick Pivetta (1-2)	#74	vs KC	Noah Cameron (5-8)	#78
Wed, Apr 8th	vs SD	Michael King (6-8)	#57	vs KC	Cole Ragans (1-4)
Fri, Apr 10th	@ CHC	Shota Imanaga (7-9)	#28	@ ATL	Bryce Elder (7-6)	#139
Sat, Apr 11th	@ CHC	Edward Cabrera (5-4)	#80	@ ATL	Martin Perez (7-6)	#204
Sun, Apr 12th	@ CHC	Jameson Taillon (2-6)	#145	@ ATL	Chris Sale (12-6)	#7
Mon, Apr 13th	vs WSH	Cade Cavalli (8-5)	#54	@ STL	Matthew Liberatore (5-8)	#118
Tue, Apr 14th	vs WSH	PJ Poulin (3-0)	#350	@ STL	Michael McGreevy (4-9)	#98
Wed, Apr 15th	vs WSH	Jake Irvin (2-5)	#164	@ STL	Dustin May (5-7)	#56
Thu, Apr 16th	vs WSH	Foster Griffin (12-3)	#53	vs BAL	Shane Baz (4-10)	#63
Fri, Apr 17th	vs TB	Nick Martinez (10-3)	#99	vs BAL	Chris Bassitt (4-4)	#135
Sat, Apr 18th	vs TB	Drew Rasmussen (10-5)	#17	vs BAL	Dean Kremer (1-4)	#114
Sun, Apr 19th	vs TB	Shane McClanahan (9-6)	#68	vs BAL	Trevor Rogers (6-7)	#70
Tue, Apr 21st	@ TEX	Kumar Rocker (4-8)	#81	vs HOU	Ryan Weiss (0-3)	#371
Wed, Apr 22nd	@ TEX	Jack Leiter (3-7)	#126	vs HOU	Peter Lambert (8-5)	#116
Thu, Apr 23rd	@ TEX	Jacob deGrom (7-7)	#11
Fri, Apr 24th	@ MIL	Brandon Woodruff (2-2)		@ TOR	Max Scherzer (1-4)	#144
Sat, Apr 25th	@ MIL	Jacob Misiorowski (11-5)	#5	@ TOR	Kevin Gausman (5-10)	#25
Sun, Apr 26th	@ MIL	Kyle Harrison (8-2)	#44	@ TOR	Patrick Corbin (3-4)	#295
Mon, Apr 27th	vs STL	Dustin May (5-7)	#56	vs TB	Steven Matz (4-4)	#184
Tue, Apr 28th	vs STL	Kyle Leahy (7-4)	#123	vs TB	Nick Martinez (10-3)	#99
Wed, Apr 29th	vs STL	Andre Pallante (11-6)	#111	vs TB	Drew Rasmussen (10-5)	#17
Thu, Apr 30th	vs STL	Hunter Dobbins (2-1)	#166
Fri, May 1st	vs CIN	Brady Singer (5-10)	#152	@ ATH	J.T. Ginn (8-6)	#160
Sat, May 2nd	vs CIN	Rhett Lowder (3-7)	#280	@ ATH	Jacob Lopez (5-4)	#192
Sun, May 3rd	vs CIN	Chase Burns (13-1)	#26	@ ATH	Aaron Civale (5-7)	#186
Tue, May 5th	@ ARI	Eduardo Rodriguez (10-3)	#127	@ KC	Stephen Kolek (4-3)	#385
Wed, May 6th	@ ARI	Michael Soroka (8-3)	#69	@ KC	Cole Ragans (1-4)
Thu, May 7th	@ ARI	Zac Gallen (3-9)	#232	@ KC	Seth Lugo (4-7)	#122
Fri, May 8th	@ SF	Robbie Ray (10-6)	#97	vs MIN	Connor Prielipp (3-5)	#106
Sat, May 9th	@ SF	Landen Roupp (7-10)	#62	vs MIN	Joe Ryan (6-7)	#21
Sun, May 10th	@ SF	Tyler Mahle (3-9)	#100	vs MIN	Andrew Morris (4-3)	#155
Tue, May 12th	vs COL	Michael Lorenzen (3-10)	#432	vs LAA	Walbert Urena (7-7)	#261
Wed, May 13th	vs COL	Jose Quintana (2-3)	#428	vs LAA	Reid Detmers (3-7)	#35
Thu, May 14th	vs COL	Chase Dollander (3-3)
Fri, May 15th	vs PHI	Aaron Nola (3-9)	#55	vs CIN	Andrew Abbott (5-7)	#109
Sat, May 16th	vs PHI	Cristopher Sanchez (14-4)	#4	vs CIN	Chris Paddack (0-7)
Sun, May 17th	vs PHI	Zack Wheeler (10-2)	#6	vs CIN	Brady Singer (5-10)	#152
Tue, May 19th	@ STL	Matthew Liberatore (5-8)	#118	@ DET	Keider Montero (8-6)	#103
Wed, May 20th	@ STL	Michael McGreevy (4-9)	#98	@ DET	Drew Anderson	#143
Thu, May 21st	@ STL	Dustin May (5-7)	#56	@ DET	Casey Mize (4-6)	#37
Fri, May 22nd	@ TOR	Kevin Gausman (5-10)	#25	@ PHI	Cristopher Sanchez (14-4)	#4
Sat, May 23rd	@ TOR	Patrick Corbin (3-4)	#295	@ PHI	Zack Wheeler (10-2)	#6
Sun, May 24th	@ TOR	Dylan Cease (7-5)	#8	@ PHI	Andrew Painter (1-8)	#213
Mon, May 25th	vs CHC	Ben Brown (4-2)	#140	vs WSH	PJ Poulin (3-0)	#350
Tue, May 26th	vs CHC	Jordan Wicks (0-2)	#329	vs WSH	Cade Cavalli (8-5)	#54
Wed, May 27th	vs CHC	Jameson Taillon (2-6)	#145	vs WSH	PJ Poulin (3-0)	#350
Thu, May 28th	vs CHC	Colin Rea (8-8)	#169
Fri, May 29th	vs MIN	Taj Bradley (9-4)	#49	vs BOS	Tyler Samaniego
Sat, May 30th	vs MIN	Bailey Ober (7-3)	#84	vs BOS	Sonny Gray (13-2)	#27
Sun, May 31st	vs MIN	Zebby Matthews (4-8)	#131	vs BOS	Ranger Suarez (4-3)	#22
Tue, Jun 2nd	@ HOU	Mike Burrows (4-9)	#221	@ NYY	Cam Schlittler (10-6)	#15
Wed, Jun 3rd	@ HOU	Spencer Arrighetti (7-5)	#278	@ NYY	Gerrit Cole (5-5)	#23
Thu, Jun 4th	@ HOU	Kai-Wei Teng (5-6)	#260	@ NYY	Carlos Rodon (4-2)	#101
Fri, Jun 5th	@ ATL	Martin Perez (7-6)	#204	@ TEX	Kumar Rocker (4-8)	#81
Sat, Jun 6th	@ ATL	Spencer Strider (4-2)	#317	@ TEX	Jack Leiter (3-7)	#126
Sun, Jun 7th	@ ATL	Bryce Elder (7-6)	#139	@ TEX	Jacob deGrom (7-7)	#11
Tue, Jun 9th	vs LAD	Eric Lauer (6-5)	#312	vs NYY	Gerrit Cole (5-5)	#23
Wed, Jun 10th	vs LAD	Shohei Ohtani (8-2)	#1	vs NYY	Carlos Rodon (4-2)	#101
Thu, Jun 11th	vs LAD	Justin Wrobleski (11-3)	#92
Fri, Jun 12th	vs MIA	Sandy Alcantara (12-6)	#58	vs DET	Jack Flaherty (3-8)	#95
Sat, Jun 13th	vs MIA	Lake Bachar (1-2)	#216	vs DET	Tarik Skubal (7-5)	#2
Sun, Jun 14th	vs MIA	Max Meyer (9-1)	#86
Mon, Jun 15th	@ ATH	J.T. Ginn (8-6)	#160
Tue, Jun 16th	@ ATH	Jack Perkins (2-7)	#94	@ MIL	Robert Gasser (3-4)	#110
Wed, Jun 17th	@ ATH	Aaron Civale (5-7)	#186	@ MIL	Brandon Sproat (3-7)	#151
Fri, Jun 19th	@ COL	Kyle Freeland (3-10)	#320	@ HOU	Tatsuya Imai (6-4)	#142
Sat, Jun 20th	@ COL	Tomoyuki Sugano (11-4)	#434	@ HOU	Spencer Arrighetti (7-5)	#278
Sun, Jun 21st	@ COL	Michael Lorenzen (3-10)	#432	@ HOU	Kai-Wei Teng (5-6)	#260
Tue, Jun 23rd	vs SEA	George Kirby (8-9)	#19	@ CWS	Sean Burke (7-5)	#66
Wed, Jun 24th	vs SEA	Bryan Woo (7-8)	#12	@ CWS	Chris Murphy
Thu, Jun 25th	vs SEA	Bryce Miller (4-5)	#33
Fri, Jun 26th	vs CIN	Andrew Abbott (5-7)	#109	vs SEA	Luis Castillo (3-9)	#61
Sat, Jun 27th	vs CIN	Chase Burns (13-1)	#26	vs SEA	Logan Gilbert (8-6)	#9
Sun, Jun 28th	vs CIN	Brady Singer (5-10)	#152	vs SEA	Emerson Hancock (6-5)	#76
Mon, Jun 29th	@ PHI	Aaron Nola (3-9)	#55	vs TEX	Tyler Alexander (1-2)	#175
Tue, Jun 30th	@ PHI	Cristopher Sanchez (14-4)	#4	vs TEX	Jacob deGrom (7-7)	#11
Wed, Jul 1st	@ PHI	Zack Wheeler (10-2)	#6	vs TEX	MacKenzie Gore (6-9)	#36
Thu, Jul 2nd	@ PHI	Alan Rangel (0-3)	#265	vs CWS	Davis Martin (9-5)	#82
Fri, Jul 3rd	@ WSH	Foster Griffin (12-3)	#53	vs CWS	Anthony Kay (8-5)	#179
Sat, Jul 4th	@ WSH	Carson Palmquist (0-1)	#274	vs CWS	Sean Burke (7-5)	#66
Sun, Jul 5th	@ WSH	Cade Cavalli (8-5)	#54	vs CWS	Chris Murphy
Tue, Jul 7th	vs ATL	Hurston Waldrep (0-1)	#401	@ MIN	Taj Bradley (9-4)	#49
Wed, Jul 8th	vs ATL	Grant Holmes (6-4)	#180	@ MIN	Connor Prielipp (3-5)	#106
Thu, Jul 9th	vs ATL	Bryce Elder (7-6)	#139	@ MIN	Bailey Ober (7-3)	#84
Sat, Jul 11th	vs MIL	Shane Drohan (6-4)	#71	@ MIA	Eury Perez (5-8)	#41
Sun, Jul 12th	vs MIL	Robert Gasser (3-4)	#110	@ MIA	Tyler Phillips (3-5)	#263
Sat, Jul 18th	@ CLE	Logan Allen (0-0)	#183	vs PIT	Mason Montgomery (4-3)	#104
Sun, Jul 19th	@ CLE	Joey Cantillo (8-6)	#85	vs PIT	Paul Skenes (9-9)	#3
Mon, Jul 20th	@ NYY	Ryan Weathers (4-7)	#64	vs MIN	Joe Ryan (6-7)	#21
Wed, Jul 22nd	@ NYY	Max Fried (4-3)	#14	vs MIN	Bailey Ober (7-3)	#84
Fri, Jul 24th	vs CHC	Matthew Boyd (7-1)	#38	@ TB	Shane McClanahan (9-6)	#68
Sat, Jul 25th	vs CHC	Shota Imanaga (7-9)	#28	@ TB	Nick Martinez (10-3)	#99
Sun, Jul 26th	vs CHC	Jameson Taillon (2-6)	#145	@ TB	Drew Rasmussen (10-5)	#17
Mon, Jul 27th	vs ARI	Merrill Kelly (8-9)	#130
Tue, Jul 28th	vs ARI	Brandon Pfaadt (6-1)	#90	@ CIN	Caleb Ferguson
Wed, Jul 29th	vs ARI	Eduardo Rodriguez (10-3)	#127	@ CIN	Brady Singer (5-10)	#152
Thu, Jul 30th	@ CIN	Rhett Lowder (3-7)	#280
Fri, Jul 31st	@ CIN	Hunter Greene (2-2)	#29	vs ARI	Mitch Bratt (0-1)	#195
Sat, Aug 1st	@ CIN	Andrew Abbott (5-7)	#109	vs ARI	Kohl Drake (0-0)	#267
Sun, Aug 2nd	@ CIN	Chase Burns (13-1)	#26	vs ARI	Merrill Kelly (8-9)	#130
Mon, Aug 3rd	@ MIL	Brandon Sproat (3-7)	#151
Tue, Aug 4th	@ MIL	Logan Henderson (5-1)	#39	vs NYM	Sean Manaea (2-5)	#75
Wed, Aug 5th	@ MIL	Kyle Harrison (8-2)	#44	vs NYM	Nolan McLean (7-7)	#34
Thu, Aug 6th	@ MIL	Shane Drohan (6-4)	#71	vs NYM	Zac Thornton (2-2)	#158
Fri, Aug 7th	vs NYM			@ CWS	Noah Schultz (3-8)	#190
Sat, Aug 8th	vs NYM	Sean Manaea (2-5)	#75	@ CWS	Anthony Kay (8-5)	#179
Sun, Aug 9th	vs NYM	Christian Scott (3-3)	#45	@ CWS	Davis Martin (9-5)	#82
Tue, Aug 11th	@ MIA	Eury Perez (5-8)	#41	@ DET	Troy Melton (6-1)	#59
Wed, Aug 12th	@ MIA	Janson Junk (5-6)	#119	@ DET	Framber Valdez (6-7)	#32
Thu, Aug 13th	@ MIA	Tyler Phillips (3-5)	#263	@ DET	Keider Montero (8-6)	#103
Fri, Aug 14th	vs BOS			vs SD
Sat, Aug 15th	vs BOS			vs SD
Sun, Aug 16th	vs BOS			vs SD
Mon, Aug 17th	vs DET
Tue, Aug 18th	vs DET			vs SF
Wed, Aug 19th	vs DET			vs SF
Fri, Aug 21st	@ LAD			@ COL
Sat, Aug 22nd	@ LAD			@ COL
Sun, Aug 23rd	@ LAD			@ COL
Mon, Aug 24th	@ SD			@ LAA
Tue, Aug 25th	@ SD			@ LAA
Wed, Aug 26th	@ SD			@ LAA
Fri, Aug 28th	@ STL			vs KC
Sat, Aug 29th	@ STL			vs KC
Sun, Aug 30th	@ STL			vs KC
Tue, Sep 1st	vs SF			vs TOR
Wed, Sep 2nd	vs SF			vs TOR
Thu, Sep 3rd	vs SF			vs TOR
Fri, Sep 4th	vs LAA			vs DET
Sat, Sep 5th	vs LAA			vs DET
Sun, Sep 6th	vs LAA			vs DET
Tue, Sep 8th	@ CWS			@ BAL
Wed, Sep 9th	@ CWS			@ BAL
Thu, Sep 10th	@ CWS
Fri, Sep 11th	@ CHC			@ MIN
Sat, Sep 12th	@ CHC			@ MIN
Sun, Sep 13th	@ CHC			@ MIN
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 (8-9)	#19
Mon, Apr 20th				vs HOU	Spencer Arrighetti (7-5)	#278
Mon, May 4th				@ KC	Michael Wacha (5-8)	#72
Mon, May 11th				vs LAA	Brent Suter (1-2)	#188
Mon, May 18th				@ DET	Framber Valdez (6-7)	#32
Mon, Jun 8th				vs NYY	Will Warren (8-5)	#65
Thu, Jun 18th				@ MIL	Shane Drohan (6-4)	#71
Mon, Jun 22nd				@ CWS	Anthony Kay (8-5)	#179
Fri, Jul 10th				@ MIA	Sandy Alcantara (12-6)	#58
Tue, Jul 21st				vs MIN	Kendry Rojas (1-1)	#200
Thu, Jul 23rd				vs MIN	Taj Bradley (9-4)	#49
Thu, Aug 20th				vs SF
Mon, Sep 7th				@ BAL
Mon, Sep 14th				vs CWS

Who Should I Trade?

Isaac Mattson for Trevor Stephan (2026)

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