Who Should I Trade?

Isaac Mattson for Will Johnston (2026)

Summary
Stats
Projections
News & Notes
Schedule

Who Should I Trade? Player Summaries
	Experts' Pick
	Isaac Mattson RP - PIT	Will Johnston SP,RP - ATH
Expert Recommendation	100% Recommended by 2 of 2 experts	0% Recommended by 0 of 2 experts
Rankings

Rest of Season	# 392	‐
VBR	# 751	‐

Projections

Strikeouts	20	1
Wins	1	0
Saves	0	0
ERA	4.45	3.77
WHIP	1.42	1.26

Misc

Injury Alert	-	MiLB

Expert Ranks

Kelly Kirby FantasyPros	# 421	‐

Kevin Spinelli KevScores	# 418	‐

Who Should I Trade? Player Statistics
	Isaac Mattson RP - PIT	Will Johnston SP,RP - ATH
2026 Stats


Games Played	33	‐

Games Started	0	‐

Innings Pitched	31.2	‐

Wins	0	‐

Losses	0	‐

Saves	0	‐

Blown Saves	2	‐

Holds	8	‐

Hits Allowed	31	‐

Earned Runs	15	‐

Home Runs Allowed	3	‐

Strikeouts	28	‐

Walks	14	‐

ERA	4.26	‐

WHIP	1.42	‐

Who Should I Trade? Player Projections
	Isaac Mattson RP - PIT	Will Johnston SP,RP - ATH
2026 Projections


Games Played	25	12

Games Started	0	1

Innings Pitched	21.9	1.2

Wins	1	0

Losses	1	0

Saves	0	0

Blown Saves	0	0

Holds	4	0

Hits Allowed	20	1

Earned Runs	11	1

Home Runs Allowed	3	0

Strikeouts	20	1

Walks	10	1

ERA	4.45	3.77

WHIP	1.42	1.26

Who Should I Trade? Player Notes
	Isaac Mattson RP - PIT	Will Johnston SP,RP - ATH
News
	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
	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			Will Johnston SP,RP - ATH
Thu, Mar 26th	@ NYM	Freddy Peralta (5-8)	#35
Sat, Mar 28th	@ NYM	David Peterson (4-7)	#85	@ TOR	Dylan Cease (6-4)	#10
Sun, Mar 29th	@ NYM	Nolan McLean (6-6)	#31	@ TOR	Eric Lauer (4-5)	#361
Mon, Mar 30th	@ CIN	Chase Burns (11-1)	#22	@ ATL	Bryce Elder (5-6)	#124
Tue, Mar 31st	@ CIN	Brandon Williamson (2-3)	#427	@ ATL	Jose Suarez	#199
Wed, Apr 1st	@ CIN	Andrew Abbott (5-5)	#90	@ ATL	Chris Sale (10-6)	#7
Fri, Apr 3rd	vs BAL	Kyle Bradish (6-9)	#40	vs HOU	Cristian Javier (0-1)	#237
Sat, Apr 4th	vs BAL	Shane Baz (4-9)	#70	vs HOU	Tatsuya Imai (5-4)	#135
Sun, Apr 5th	vs BAL	Chris Bassitt (4-4)	#201	vs HOU	Lance McCullers Jr. (2-3)	#189
Mon, Apr 6th	vs SD	German Marquez (4-2)	#330
Tue, Apr 7th	vs SD	Nick Pivetta (1-2)	#94	@ NYY	Cam Schlittler (9-5)	#19
Wed, Apr 8th	vs SD	Michael King (6-7)	#51	@ NYY	Will Warren (7-4)	#67
Fri, Apr 10th	@ CHC	Shota Imanaga (5-8)	#30	@ NYM	Clay Holmes (4-4)	#111
Sat, Apr 11th	@ CHC	Edward Cabrera (5-4)	#97	@ NYM	Kodai Senga (0-7)	#152
Sun, Apr 12th	@ CHC	Jameson Taillon (2-5)	#119	@ NYM	Freddy Peralta (5-8)	#35
Mon, Apr 13th	vs WSH	Cade Cavalli (6-4)	#68	vs TEX	Nathan Eovaldi (9-7)	#17
Tue, Apr 14th	vs WSH	PJ Poulin (3-0)	#294	vs TEX	MacKenzie Gore (6-8)	#37
Wed, Apr 15th	vs WSH	Jake Irvin (2-4)	#200	vs TEX	Kumar Rocker (2-8)	#103
Thu, Apr 16th	vs WSH	Foster Griffin (10-2)	#62	vs TEX	Jack Leiter (3-7)	#114
Fri, Apr 17th	vs TB	Nick Martinez (8-2)	#88	vs CWS	Davis Martin (9-5)	#100
Sat, Apr 18th	vs TB	Drew Rasmussen (7-5)	#20	vs CWS	Erick Fedde (5-6)	#405
Sun, Apr 19th	vs TB	Shane McClanahan (8-5)	#33	vs CWS	Noah Schultz (3-6)	#216
Tue, Apr 21st	@ TEX	Kumar Rocker (2-8)	#103	@ SEA	Luis Castillo (3-8)	#65
Wed, Apr 22nd	@ TEX	Jack Leiter (3-7)	#114	@ SEA	Logan Gilbert (7-6)	#8
Thu, Apr 23rd	@ TEX	Jacob deGrom (7-5)	#9
Fri, Apr 24th	@ MIL	Brandon Woodruff (2-2)	#160	@ TEX	Nathan Eovaldi (9-7)	#17
Sat, Apr 25th	@ MIL	Jacob Misiorowski (10-4)	#6	@ TEX	MacKenzie Gore (6-8)	#37
Sun, Apr 26th	@ MIL	Kyle Harrison (8-2)	#58	@ TEX	Kumar Rocker (2-8)	#103
Mon, Apr 27th	vs STL	Dustin May (5-7)	#52
Tue, Apr 28th	vs STL	Kyle Leahy (7-4)	#130	vs KC	Kris Bubic (3-2)	#131
Wed, Apr 29th	vs STL	Andre Pallante (10-6)	#137	vs KC	Michael Wacha (5-7)	#72
Thu, Apr 30th	vs STL	Hunter Dobbins (1-1)	#176	vs KC	Noah Cameron (5-7)	#77
Fri, May 1st	vs CIN	Brady Singer (4-9)	#159	vs CLE	Joey Cantillo (8-4)	#83
Sat, May 2nd	vs CIN	Rhett Lowder (3-7)	#210	vs CLE	Slade Cecconi (4-6)	#112
Sun, May 3rd	vs CIN	Chase Burns (11-1)	#22	vs CLE	Parker Messick (8-5)	#41
Tue, May 5th	@ ARI	Eduardo Rodriguez (8-3)	#115	@ PHI	Cristopher Sanchez (11-4)	#4
Wed, May 6th	@ ARI	Michael Soroka (8-3)	#71	@ PHI	Zack Wheeler (10-1)	#5
Thu, May 7th	@ ARI	Zac Gallen (3-9)	#172	@ PHI	Andrew Painter (1-8)	#264
Fri, May 8th	@ SF	Robbie Ray (8-6)	#86	@ BAL	Kyle Bradish (6-9)	#40
Sat, May 9th	@ SF	Landen Roupp (7-8)	#59	@ BAL	Shane Baz (4-9)	#70
Sun, May 10th	@ SF	Tyler Mahle (2-8)	#89	@ BAL	Keegan Akin (0-1)	#388
Tue, May 12th	vs COL	Michael Lorenzen (3-9)	#430	vs STL	Andre Pallante (10-6)	#137
Wed, May 13th	vs COL	Jose Quintana (2-3)	#435	vs STL	Matthew Liberatore (5-6)	#120
Thu, May 14th	vs COL	Chase Dollander (3-3)		vs STL	Michael McGreevy (4-7)	#80
Fri, May 15th	vs PHI	Aaron Nola (3-7)	#53	vs SF	Tyler Mahle (2-8)	#89
Sat, May 16th	vs PHI	Cristopher Sanchez (11-4)	#4	vs SF	Trevor McDonald (3-7)	#173
Sun, May 17th	vs PHI	Zack Wheeler (10-1)	#5	vs SF	Adrian Houser (2-6)	#186
Tue, May 19th	@ STL	Matthew Liberatore (5-6)	#120	@ LAA	Reid Detmers (3-6)	#36
Wed, May 20th	@ STL	Michael McGreevy (4-7)	#80	@ LAA	Jack Kochanowicz (2-5)
Thu, May 21st	@ STL	Dustin May (5-7)	#52	@ LAA	Jose Soriano (8-6)	#47
Fri, May 22nd	@ TOR	Kevin Gausman (4-8)	#23	@ SD	Walker Buehler (5-5)	#180
Sat, May 23rd	@ TOR	Patrick Corbin (3-4)	#223	@ SD	Lucas Giolito (2-3)	#344
Sun, May 24th	@ TOR	Dylan Cease (6-4)	#10	@ SD	Michael King (6-7)	#51
Mon, May 25th	vs CHC	Ben Brown (4-2)	#91	vs SEA	Luis Castillo (3-8)	#65
Tue, May 26th	vs CHC	Jordan Wicks (0-2)	#231	vs SEA	Emerson Hancock (6-4)	#92
Wed, May 27th	vs CHC	Jameson Taillon (2-5)	#119	vs SEA	Logan Gilbert (7-6)	#8
Thu, May 28th	vs CHC	Colin Rea (7-6)	#194
Fri, May 29th	vs MIN	Taj Bradley (9-4)	#48	vs NYY	Carlos Rodon (4-2)	#98
Sat, May 30th	vs MIN	Bailey Ober (7-3)	#95	vs NYY	Ryan Weathers (3-7)	#46
Sun, May 31st	vs MIN	Zebby Matthews (4-6)	#109	vs NYY	Will Warren (7-4)	#67
Tue, Jun 2nd	@ HOU	Mike Burrows (4-9)	#181	@ CHC	Jameson Taillon (2-5)	#119
Wed, Jun 3rd	@ HOU	Spencer Arrighetti (7-5)	#138	@ CHC	Colin Rea (7-6)	#194
Thu, Jun 4th	@ HOU	Kai-Wei Teng (4-6)	#248	@ CHC	Shota Imanaga (5-8)	#30
Fri, Jun 5th	@ ATL	Martin Perez (6-6)	#240	@ HOU	Peter Lambert (8-5)	#164
Sat, Jun 6th	@ ATL	Spencer Strider (4-2)	#205	@ HOU	Tatsuya Imai (5-4)	#135
Sun, Jun 7th	@ ATL	Bryce Elder (5-6)	#124	@ HOU	Mike Burrows (4-9)	#181
Tue, Jun 9th	vs LAD	Eric Lauer (4-5)	#361	vs MIL	Robert Gasser (2-4)	#136
Wed, Jun 10th	vs LAD	Shohei Ohtani (8-2)	#1	vs MIL	Brandon Sproat (3-4)	#125
Thu, Jun 11th	vs LAD	Justin Wrobleski (10-2)	#82
Fri, Jun 12th	vs MIA	Sandy Alcantara (10-5)	#55	vs COL	Sean Sullivan (0-3)	#434
Sat, Jun 13th	vs MIA	Lake Bachar (1-1)	#187	vs COL	Kyle Freeland (2-8)	#277
Sun, Jun 14th	vs MIA	Max Meyer (9-1)	#42	vs COL	Tomoyuki Sugano (9-4)	#438
Mon, Jun 15th	@ ATH	J.T. Ginn (8-6)	#156	vs PIT	Jared Jones (2-1)	#60
Tue, Jun 16th	@ ATH	Jack Perkins (2-5)	#108	vs PIT	Mitch Keller (6-7)	#113
Wed, Jun 17th	@ ATH	Aaron Civale (5-7)	#299	vs PIT	Braxton Ashcraft (9-3)	#25
Fri, Jun 19th	@ COL	Kyle Freeland (2-8)	#277	vs LAA	Jose Soriano (8-6)	#47
Sat, Jun 20th	@ COL	Tomoyuki Sugano (9-4)	#438	vs LAA	Walbert Urena (5-7)	#272
Sun, Jun 21st	@ COL	Michael Lorenzen (3-9)	#430	vs LAA	Reid Detmers (3-6)	#36
Tue, Jun 23rd	vs SEA	George Kirby (7-8)	#18	@ SF	Robbie Ray (8-6)	#86
Wed, Jun 24th	vs SEA	Bryan Woo (7-6)	#13	@ SF	Tyler Mahle (2-8)	#89
Thu, Jun 25th	vs SEA	Bryce Miller (4-4)	#34	@ SF	Landen Roupp (7-8)	#59
Fri, Jun 26th	vs CIN	Andrew Abbott (5-5)	#90	@ LAA	Walbert Urena (5-7)	#272
Sat, Jun 27th	vs CIN	Chase Burns (11-1)	#22	@ LAA	Reid Detmers (3-6)	#36
Sun, Jun 28th	vs CIN	Brady Singer (4-9)	#159	@ LAA	Sam Aldegheri (3-4)	#431
Mon, Jun 29th	@ PHI	Aaron Nola (3-7)	#53	vs LAD	Eric Lauer (4-5)	#361
Tue, Jun 30th	@ PHI	Cristopher Sanchez (11-4)	#4	vs LAD	Justin Wrobleski (10-2)	#82
Wed, Jul 1st	@ PHI	Zack Wheeler (10-1)	#5	vs LAD	Jack Dreyer (4-1)	#174
Thu, Jul 2nd	@ PHI	Alan Rangel (0-2)	#304
Fri, Jul 3rd	@ WSH	Foster Griffin (10-2)	#62	vs MIA	Tyler Phillips (2-4)	#276
Sat, Jul 4th	@ WSH	Carson Palmquist (0-1)	#285	vs MIA	Sandy Alcantara (10-5)	#55
Sun, Jul 5th	@ WSH	Cade Cavalli (6-4)	#68	vs MIA	Eury Perez (5-7)	#50
Tue, Jul 7th	vs ATL	Hurston Waldrep (0-1)	#228	@ DET	Tarik Skubal (6-5)	#2
Wed, Jul 8th	vs ATL	Grant Holmes (5-4)	#148	@ DET	Troy Melton (5-1)	#106
Thu, Jul 9th	vs ATL	Bryce Elder (5-6)	#124	@ DET	Framber Valdez (5-6)	#29
Sat, Jul 11th	vs MIL	Shane Drohan (5-3)	#93	@ CWS	Bryan Hudson (3-2)	#163
Sun, Jul 12th	vs MIL	Robert Gasser (2-4)	#136	@ CWS	Noah Schultz (3-6)	#216
Sat, Jul 18th	@ CLE	Logan Allen (0-0)	#161	vs WSH	Zack Littell (7-7)	#168
Sun, Jul 19th	@ CLE	Joey Cantillo (8-4)	#83	vs WSH	Foster Griffin (10-2)	#62
Mon, Jul 20th	@ NYY	Will Warren (7-4)	#67	@ ARI	Mitch Bratt (0-0)	#198
Tue, Jul 21st	@ NYY	Elmer Rodriguez (0-2)	#275	@ ARI	Michael Soroka (8-3)	#71
Wed, Jul 22nd	@ NYY	Gerrit Cole (3-5)	#27	@ ARI	Merrill Kelly (7-8)	#118
Fri, Jul 24th	vs CHC	Matthew Boyd (6-1)	#38	@ MIN	Zebby Matthews (4-6)	#109
Sat, Jul 25th	vs CHC	Shota Imanaga (5-8)	#30	@ MIN	Joe Ryan (6-5)	#14
Sun, Jul 26th	vs CHC	Jameson Taillon (2-5)	#119	@ MIN	Connor Prielipp (2-5)	#128
Mon, Jul 27th	vs ARI	Merrill Kelly (7-8)	#118	vs BOS	Ranger Suarez (4-3)	#24
Tue, Jul 28th	vs ARI			vs BOS
Wed, Jul 29th	vs ARI			vs BOS
Thu, Jul 30th	@ CIN			vs BOS
Fri, Jul 31st	@ CIN			vs DET
Sat, Aug 1st	@ CIN			vs DET
Sun, Aug 2nd	@ CIN			vs DET
Mon, Aug 3rd	@ MIL
Tue, Aug 4th	@ MIL			@ CIN
Wed, Aug 5th	@ MIL			@ CIN
Thu, Aug 6th	@ MIL			@ CIN
Fri, Aug 7th	vs NYM			@ BOS
Sat, Aug 8th	vs NYM			@ BOS
Sun, Aug 9th	vs NYM			@ BOS
Tue, Aug 11th	@ MIA			vs TB
Wed, Aug 12th	@ MIA			vs TB
Thu, Aug 13th	@ MIA
Fri, Aug 14th	vs BOS			vs TEX
Sat, Aug 15th	vs BOS			vs TEX
Sun, Aug 16th	vs BOS			vs TEX
Mon, Aug 17th	vs DET			@ KC
Tue, Aug 18th	vs DET			@ KC
Wed, Aug 19th	vs DET			@ KC
Fri, Aug 21st	@ LAD			@ HOU
Sat, Aug 22nd	@ LAD			@ HOU
Sun, Aug 23rd	@ LAD			@ HOU
Mon, Aug 24th	@ SD			vs MIN
Tue, Aug 25th	@ SD			vs MIN
Wed, Aug 26th	@ SD			vs MIN
Fri, Aug 28th	@ STL			vs BAL
Sat, Aug 29th	@ STL			vs BAL
Sun, Aug 30th	@ STL			vs BAL
Tue, Sep 1st	vs SF			@ TEX
Wed, Sep 2nd	vs SF			@ TEX
Thu, Sep 3rd	vs SF			@ SEA
Fri, Sep 4th	vs LAA			@ SEA
Sat, Sep 5th	vs LAA			@ SEA
Sun, Sep 6th	vs LAA			@ SEA
Tue, Sep 8th	@ CWS			vs TOR
Wed, Sep 9th	@ CWS			vs TOR
Thu, Sep 10th	@ CWS
Fri, Sep 11th	@ CHC			vs SEA
Sat, Sep 12th	@ CHC			vs SEA
Sun, Sep 13th	@ CHC			vs SEA
Tue, Sep 15th	vs MIL			@ TB
Wed, Sep 16th	vs MIL			@ TB
Thu, Sep 17th	vs MIL			@ TB
Fri, Sep 18th	vs KC			@ CLE
Sat, Sep 19th	vs KC			@ CLE
Sun, Sep 20th	vs KC			@ CLE
Tue, Sep 22nd	vs STL			vs LAA
Wed, Sep 23rd	vs STL			vs LAA
Thu, Sep 24th	vs STL			vs HOU
Fri, Sep 25th	@ DET			vs HOU
Sat, Sep 26th	@ DET			vs HOU
Sun, Sep 27th	@ DET			vs HOU
Fri, Mar 27th				@ TOR	Kevin Gausman (4-8)	#23
Thu, Apr 9th				@ NYY	Ryan Weathers (3-7)	#46
Mon, Apr 20th				@ SEA	Emerson Hancock (6-4)	#92
Mon, May 18th				@ LAA	Walbert Urena (5-7)	#272
Mon, Jun 8th				vs MIL	Kyle Harrison (8-2)	#58
Thu, Jun 18th				vs LAA	Ryan Johnson (1-4)	#170
Fri, Jul 10th				@ CWS	Sean Burke (6-4)	#87
Fri, Jul 17th				vs WSH	Cade Cavalli (6-4)	#68
Mon, Aug 10th				vs TB
Thu, Aug 20th				@ KC
Mon, Aug 31st				@ TEX
Mon, Sep 7th				vs TOR

Who Should I Trade?

Isaac Mattson for Will Johnston (2026)

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