Who Should I Trade?

Devin Williams for Isaac Mattson (2026)

Summary
Stats
Projections
News & Notes
Schedule

Who Should I Trade? Player Summaries
	Experts' Pick
	Devin Williams RP - NYM	Isaac Mattson RP - PIT
Expert Recommendation	100% Recommended by 6 of 6 experts	0% Recommended by 0 of 6 experts
Rankings

Rest of Season	# 44	# 391
VBR	# 207	# 714

Projections

Strikeouts	30	19
Wins	2	1
Saves	11	0
ERA	3.35	4.28
WHIP	1.24	1.42

Misc

Injury Alert	-	-

Expert Ranks

Scott Pianowski Yahoo! Sports	# 48	‐

Dalton Del Don The Deep Shot	# 34	‐

Chris Welsh FantasyPros	# 65	‐

Mike Maher BettingPros	# 42	‐

Kelly Kirby FantasyPros	# 43	# 422

Kevin Spinelli KevScores	# 124	# 418

Who Should I Trade? Player Statistics
	Devin Williams RP - NYM	Isaac Mattson RP - PIT
2026 Stats


Games Played	36	34

Games Started	0	0

Innings Pitched	32.2	32.2

Wins	3	0

Losses	2	0

Saves	14	0

Blown Saves	3	2

Holds	0	8

Hits Allowed	36	31

Earned Runs	18	15

Home Runs Allowed	3	3

Strikeouts	45	29

Walks	19	14

ERA	4.96	4.13

WHIP	1.68	1.38

Who Should I Trade? Player Projections
	Devin Williams RP - NYM	Isaac Mattson RP - PIT
2026 Projections


Games Played	26	24

Games Started	0	0

Innings Pitched	23.2	20.8

Wins	2	1

Losses	1	1

Saves	11	0

Blown Saves	0	0

Holds	2	4

Hits Allowed	17	19

Earned Runs	9	10

Home Runs Allowed	2	3

Strikeouts	30	19

Walks	10	10

ERA	3.35	4.28

WHIP	1.24	1.42

Who Should I Trade? Player Notes
	Devin Williams RP - NYM	Isaac Mattson RP - PIT
News
	Devin Williams struck out one batter in one scoreless frame to earn the save in Thursday’s win over the Phillies. Chris Schommer Sat, Jul 18th	The Pirates recalled RHP Isaac Mattson from Triple-A Indianapolis. Ari Koslow Sat, Jun 13th
	Devin Williams will remain the Mets closer. Ari Koslow Sun, Jul 12th	Isaac Mattson has been sent to Triple-A Indianapolis. Nate Miller - FantasyPros Wed, May 20th
	Devin Williams earned the save Sunday against Atlanta after allowing one run over two-thirds of an inning. He entered with one out and the bases empty after Drake Baldwin hit a grand slam off Huascar Brazoban, then struck out Ozzie Albies before allowing three straight hits. Williams ended the game by striking out Dominic Smith with the winning run on second base. Bruno Mulé Mon, Jul 6th	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
	Devin Williams earned the save Thursday against the Phillies, allowing one run on two hits and one walk while striking out one over one inning. He entered with a three-run lead in the ninth and allowed a run on a Justin Crawford RBI single before preventing further damage. Bruno Mulé Fri, Jun 19th
	Devin Williams struck out two batters while allowing two hits over 1 1/3 scoreless innings to earn the save over the Braves. Chris Schommer Sat, Jun 13th
Notes
There are no recent notes for these players

Who Should I Trade? Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	Devin Williams RP - NYM			Isaac Mattson RP - PIT
Thu, Mar 26th	vs PIT	Paul Skenes (9-8)	#3	@ NYM	Freddy Peralta (5-9)	#42
Sat, Mar 28th	vs PIT	Mitch Keller (6-7)	#113	@ NYM	David Peterson (4-7)	#84
Sun, Mar 29th	vs PIT	Carmen Mlodzinski (6-3)	#121	@ NYM	Nolan McLean (7-6)	#31
Mon, Mar 30th	@ STL	Kyle Leahy (7-4)	#119	@ CIN	Chase Burns (11-1)	#23
Tue, Mar 31st	@ STL	Andre Pallante (10-6)	#132	@ CIN	Brandon Williamson (2-3)	#423
Wed, Apr 1st	@ STL	Matthew Liberatore (5-6)	#109	@ CIN	Andrew Abbott (5-6)	#102
Thu, Apr 2nd	@ SF	Robbie Ray (8-6)	#86
Fri, Apr 3rd	@ SF	Tyler Mahle (2-8)	#82	vs BAL	Kyle Bradish (6-9)	#41
Sat, Apr 4th	@ SF	Landen Roupp (7-8)	#57	vs BAL	Shane Baz (4-9)	#70
Sun, Apr 5th	@ SF	Logan Webb (5-7)	#15	vs BAL	Chris Bassitt (4-4)	#207
Tue, Apr 7th	vs ARI	Zac Gallen (3-9)	#170	vs SD	Nick Pivetta (1-2)	#95
Wed, Apr 8th	vs ARI	Ryne Nelson (3-5)	#208	vs SD	Michael King (6-7)	#50
Thu, Apr 9th	vs ARI	Eduardo Rodriguez (8-3)	#112
Fri, Apr 10th	vs ATH	J.T. Ginn (8-6)	#143	@ CHC	Shota Imanaga (6-8)	#27
Sat, Apr 11th	vs ATH	Jacob Lopez (4-4)	#229	@ CHC	Edward Cabrera (5-4)	#97
Sun, Apr 12th	vs ATH	Aaron Civale (5-7)	#239	@ CHC	Jameson Taillon (2-5)	#101
Mon, Apr 13th	@ LAD	Justin Wrobleski (10-2)	#78	vs WSH	Cade Cavalli (6-4)	#66
Tue, Apr 14th	@ LAD	Yoshinobu Yamamoto (10-6)	#12	vs WSH	PJ Poulin (3-0)	#293
Wed, Apr 15th	@ LAD	Shohei Ohtani (8-2)	#1	vs WSH	Jake Irvin (2-4)	#192
Fri, Apr 17th	@ CHC	Edward Cabrera (5-4)	#97	vs TB	Nick Martinez (9-2)	#104
Sat, Apr 18th	@ CHC	Jameson Taillon (2-5)	#101	vs TB	Drew Rasmussen (7-5)	#18
Sun, Apr 19th	@ CHC	Javier Assad (6-1)	#191	vs TB	Shane McClanahan (8-6)	#34
Tue, Apr 21st	vs MIN	Simeon Woods Richardson (1-7)	#365	@ TEX	Kumar Rocker (2-8)	#92
Wed, Apr 22nd	vs MIN	Connor Prielipp (2-5)	#114	@ TEX	Jack Leiter (3-7)	#134
Thu, Apr 23rd	vs MIN	Joe Ryan (6-6)	#14	@ TEX	Jacob deGrom (7-6)	#8
Fri, Apr 24th	vs COL	Michael Lorenzen (3-9)	#428	@ MIL	Brandon Woodruff (2-2)
Sun, Apr 26th	vs COL	Chase Dollander (3-3)		@ MIL	Kyle Harrison (8-2)	#55
Tue, Apr 28th	vs WSH	Zack Littell (7-7)	#182	vs STL	Kyle Leahy (7-4)	#119
Wed, Apr 29th	vs WSH	Cade Cavalli (6-4)	#66	vs STL	Andre Pallante (10-6)	#132
Thu, Apr 30th	vs WSH	Miles Mikolas (3-7)	#334	vs STL	Hunter Dobbins (1-1)	#179
Fri, May 1st	@ LAA	Walbert Urena (5-7)	#265	vs CIN	Brady Singer (4-9)	#147
Sat, May 2nd	@ LAA	Reid Detmers (3-6)	#43	vs CIN	Rhett Lowder (3-7)	#197
Sun, May 3rd	@ LAA	Jack Kochanowicz (2-5)		vs CIN	Chase Burns (11-1)	#23
Mon, May 4th	@ COL	Tomoyuki Sugano (9-4)	#433
Wed, May 6th	@ COL	Michael Lorenzen (3-9)	#428	@ ARI	Michael Soroka (8-3)	#71
Thu, May 7th	@ COL	Jose Quintana (2-3)	#431	@ ARI	Zac Gallen (3-9)	#170
Fri, May 8th	@ ARI	Ryne Nelson (3-5)	#208	@ SF	Robbie Ray (8-6)	#86
Sat, May 9th	@ ARI	Merrill Kelly (7-8)	#115	@ SF	Landen Roupp (7-8)	#57
Sun, May 10th	@ ARI	Eduardo Rodriguez (8-3)	#112	@ SF	Tyler Mahle (2-8)	#82
Tue, May 12th	vs DET	Jack Flaherty (3-8)	#54	vs COL	Michael Lorenzen (3-9)	#428
Wed, May 13th	vs DET	Framber Valdez (5-6)	#28	vs COL	Jose Quintana (2-3)	#431
Thu, May 14th	vs DET	Keider Montero (6-5)	#160	vs COL	Chase Dollander (3-3)
Fri, May 15th	vs NYY	Cam Schlittler (9-6)	#20	vs PHI	Aaron Nola (3-7)	#51
Sat, May 16th	vs NYY	Carlos Rodon (4-2)	#116	vs PHI	Cristopher Sanchez (12-4)	#4
Sun, May 17th	vs NYY	Elmer Rodriguez (0-2)	#282	vs PHI	Zack Wheeler (10-1)	#5
Mon, May 18th	@ WSH	Jake Irvin (2-4)	#192
Tue, May 19th	@ WSH	Foster Griffin (11-2)	#63	@ STL	Matthew Liberatore (5-6)	#109
Wed, May 20th	@ WSH	Zack Littell (7-7)	#182	@ STL	Michael McGreevy (4-7)	#88
Thu, May 21st	@ WSH	Cade Cavalli (6-4)	#66	@ STL	Dustin May (5-7)	#52
Fri, May 22nd	@ MIA	Eury Perez (5-7)	#48	@ TOR	Kevin Gausman (4-8)	#19
Sat, May 23rd	@ MIA	Max Meyer (9-1)	#60	@ TOR	Patrick Corbin (3-4)	#244
Sun, May 24th	@ MIA	Tyler Phillips (2-4)	#271	@ TOR	Dylan Cease (6-5)	#9
Mon, May 25th	vs CIN	Nick Lodolo (3-2)	#98	vs CHC	Ben Brown (4-2)	#103
Tue, May 26th	vs CIN	Chase Burns (11-1)	#23	vs CHC	Jordan Wicks (0-2)	#231
Wed, May 27th	vs CIN	Andrew Abbott (5-6)	#102	vs CHC	Jameson Taillon (2-5)	#101
Fri, May 29th	vs MIA	Max Meyer (9-1)	#60	vs MIN	Taj Bradley (9-4)	#45
Sat, May 30th	vs MIA	Tyler Phillips (2-4)	#271	vs MIN	Bailey Ober (7-3)	#89
Sun, May 31st	vs MIA	John King		vs MIN	Zebby Matthews (4-7)	#108
Mon, Jun 1st	@ SEA	Emerson Hancock (6-4)	#93
Tue, Jun 2nd	@ SEA	Logan Gilbert (8-6)	#11	@ HOU	Mike Burrows (4-9)	#181
Wed, Jun 3rd	@ SEA	George Kirby (8-8)	#21	@ HOU	Spencer Arrighetti (7-5)	#154
Fri, Jun 5th	@ SD	Michael King (6-7)	#50	@ ATL	Martin Perez (6-6)	#185
Sat, Jun 6th	@ SD	Griffin Canning (1-8)	#172	@ ATL	Spencer Strider (4-2)	#209
Sun, Jun 7th	@ SD	Randy Vasquez (6-6)	#267	@ ATL	Bryce Elder (6-6)	#128
Tue, Jun 9th	vs STL	Dustin May (5-7)	#52	vs LAD	Eric Lauer (4-5)	#300
Wed, Jun 10th	vs STL	Andre Pallante (10-6)	#132	vs LAD	Shohei Ohtani (8-2)	#1
Thu, Jun 11th	vs STL	Hunter Dobbins (1-1)	#179	vs LAD	Justin Wrobleski (10-2)	#78
Fri, Jun 12th	vs ATL	Spencer Strider (4-2)	#209	vs MIA	Sandy Alcantara (10-5)	#53
Sat, Jun 13th	vs ATL	Martin Perez (6-6)	#185	vs MIA	Lake Bachar (1-1)	#187
Sun, Jun 14th	vs ATL	Bryce Elder (6-6)	#128	vs MIA	Max Meyer (9-1)	#60
Mon, Jun 15th	@ CIN	Chase Burns (11-1)	#23	@ ATH	J.T. Ginn (8-6)	#143
Tue, Jun 16th	@ CIN	Brady Singer (4-9)	#147	@ ATH	Jack Perkins (2-5)	#107
Wed, Jun 17th	@ CIN	Nick Lodolo (3-2)	#98	@ ATH	Aaron Civale (5-7)	#239
Thu, Jun 18th	@ PHI	Aaron Nola (3-7)	#51
Sat, Jun 20th	@ PHI	Cristopher Sanchez (12-4)	#4	@ COL	Tomoyuki Sugano (9-4)	#433
Sun, Jun 21st	@ PHI	Zack Wheeler (10-1)	#5	@ COL	Michael Lorenzen (3-9)	#428
Tue, Jun 23rd	vs CHC	Edward Cabrera (5-4)	#97	vs SEA	George Kirby (8-8)	#21
Wed, Jun 24th	vs CHC	Shota Imanaga (6-8)	#27	vs SEA	Bryan Woo (7-6)	#13
Thu, Jun 25th	vs CHC	Matthew Boyd (6-1)	#37	vs SEA	Bryce Miller (4-4)	#38
Fri, Jun 26th	vs PHI	Zack Wheeler (10-1)	#5	vs CIN	Andrew Abbott (5-6)	#102
Sat, Jun 27th	vs PHI	Tim Mayza (2-3)	#169	vs CIN	Chase Burns (11-1)	#23
Sun, Jun 28th	vs PHI	Jesus Luzardo (9-4)	#10	vs CIN	Brady Singer (4-9)	#147
Mon, Jun 29th	@ TOR	Trey Yesavage (4-5)	#83	@ PHI	Aaron Nola (3-7)	#51
Tue, Jun 30th	@ TOR	Kevin Gausman (4-8)	#19	@ PHI	Cristopher Sanchez (12-4)	#4
Wed, Jul 1st	@ TOR	Braydon Fisher (3-3)	#153	@ PHI	Zack Wheeler (10-1)	#5
Fri, Jul 3rd	@ ATL	Grant Holmes (6-4)	#151	@ WSH	Foster Griffin (11-2)	#63
Sat, Jul 4th	@ ATL	Chris Sale (10-6)	#6	@ WSH	Carson Palmquist (0-1)	#297
Sun, Jul 5th	@ ATL	Martin Perez (6-6)	#185	@ WSH	Cade Cavalli (6-4)	#66
Mon, Jul 6th	@ ATL	Reynaldo Lopez (4-2)	#91
Tue, Jul 7th	vs KC	Seth Lugo (3-6)	#140	vs ATL	Hurston Waldrep (0-1)	#224
Wed, Jul 8th	vs KC	Steven Cruz		vs ATL	Grant Holmes (6-4)	#151
Thu, Jul 9th	vs KC	Michael Wacha (5-7)	#68	vs ATL	Bryce Elder (6-6)	#128
Fri, Jul 10th	vs BOS	Sonny Gray (12-1)	#32
Sat, Jul 11th	vs BOS	Eduardo Rivera (0-0)	#215	vs MIL	Shane Drohan (5-3)	#85
Sun, Jul 12th	vs BOS	Payton Tolle (5-6)	#59	vs MIL	Robert Gasser (2-4)	#137
Thu, Jul 16th	@ PHI	Aaron Nola (3-7)	#51
Sat, Jul 18th	@ PHI	Jesus Luzardo (9-4)	#10	@ CLE	Logan Allen (0-0)	#162
Sun, Jul 19th	@ PHI	Alan Rangel (0-3)	#315	@ CLE	Joey Cantillo (8-5)	#74
Mon, Jul 20th	@ MIL	Jacob Misiorowski (10-4)	#7	@ NYY	Ryan Weathers (3-7)	#56
Tue, Jul 21st	@ MIL	Brandon Sproat (3-4)	#124	@ NYY	Will Warren (7-4)	#65
Wed, Jul 22nd	@ MIL	Logan Henderson (3-1)	#58	@ NYY	Gerrit Cole (3-5)	#30
Fri, Jul 24th	vs LAD	Roki Sasaki (3-5)	#117	vs CHC	Matthew Boyd (6-1)	#37
Sat, Jul 25th	vs LAD	Emmet Sheehan (4-7)	#36	vs CHC	Shota Imanaga (6-8)	#27
Sun, Jul 26th	vs LAD	Emmet Sheehan (4-7)	#36	vs CHC	Jameson Taillon (2-5)	#101
Mon, Jul 27th	vs ATL	Martin Perez (6-6)	#185	vs ARI	Merrill Kelly (7-8)	#115
Tue, Jul 28th	vs ATL	Chris Sale (10-6)	#6	vs ARI	Brandon Pfaadt (4-1)	#72
Wed, Jul 29th	vs ATL	Grant Holmes (6-4)	#151	vs ARI	Eduardo Rodriguez (8-3)	#112
Thu, Jul 30th	vs MIA			@ CIN
Fri, Jul 31st	vs MIA			@ CIN
Sat, Aug 1st	vs MIA			@ CIN
Sun, Aug 2nd	vs MIA			@ CIN
Tue, Aug 4th	@ CLE			@ MIL
Wed, Aug 5th	@ CLE			@ MIL
Thu, Aug 6th	@ CLE			@ MIL
Fri, Aug 7th	@ PIT			vs NYM
Sat, Aug 8th	@ PIT			vs NYM
Sun, Aug 9th	@ PIT			vs NYM
Mon, Aug 10th	@ ATL
Tue, Aug 11th	@ ATL			@ MIA
Wed, Aug 12th	@ ATL			@ MIA
Fri, Aug 14th	vs WSH			vs BOS
Sat, Aug 15th	vs WSH			vs BOS
Sun, Aug 16th	vs WSH			vs BOS
Mon, Aug 17th	vs SD			vs DET
Tue, Aug 18th	vs SD			vs DET
Wed, Aug 19th	vs SD			vs DET
Fri, Aug 21st	@ CWS			@ LAD
Sat, Aug 22nd	@ CWS			@ LAD
Sun, Aug 23rd	@ CWS			@ LAD
Tue, Aug 25th	vs MIL			@ SD
Wed, Aug 26th	vs MIL			@ SD
Thu, Aug 27th	vs MIL
Fri, Aug 28th	vs HOU			@ STL
Sat, Aug 29th	vs HOU			@ STL
Sun, Aug 30th	vs HOU			@ STL
Mon, Aug 31st	@ TB
Tue, Sep 1st	@ TB			vs SF
Wed, Sep 2nd	@ TB			vs SF
Fri, Sep 4th	vs SF			vs LAA
Sat, Sep 5th	vs SF			vs LAA
Sun, Sep 6th	vs SF			vs LAA
Mon, Sep 7th	@ MIA
Tue, Sep 8th	@ MIA			@ CWS
Wed, Sep 9th	@ MIA			@ CWS
Fri, Sep 11th	@ NYY			@ CHC
Sat, Sep 12th	@ NYY			@ CHC
Sun, Sep 13th	@ NYY			@ CHC
Mon, Sep 14th	vs BAL
Tue, Sep 15th	vs BAL			vs MIL
Wed, Sep 16th	vs BAL			vs MIL
Thu, Sep 17th	vs PHI			vs MIL
Fri, Sep 18th	vs PHI			vs KC
Sat, Sep 19th	vs PHI			vs KC
Sun, Sep 20th	vs PHI			vs KC
Tue, Sep 22nd	@ TEX			vs STL
Wed, Sep 23rd	@ TEX			vs STL
Thu, Sep 24th	@ TEX			vs STL
Fri, Sep 25th	@ WSH			@ DET
Sat, Sep 26th	@ WSH			@ DET
Sun, Sep 27th	@ WSH			@ DET
Mon, Apr 6th				vs SD	German Marquez (4-2)	#360
Thu, Apr 16th				vs WSH	Foster Griffin (11-2)	#63
Sat, Apr 25th				@ MIL	Jacob Misiorowski (10-4)	#7
Mon, Apr 27th				vs STL	Dustin May (5-7)	#52
Tue, May 5th				@ ARI	Eduardo Rodriguez (8-3)	#112
Thu, May 28th				vs CHC	Colin Rea (7-6)	#195
Thu, Jun 4th				@ HOU	Kai-Wei Teng (4-6)	#240
Fri, Jun 19th				@ COL	Kyle Freeland (2-9)	#237
Thu, Jul 2nd				@ PHI	Alan Rangel (0-3)	#315
Mon, Aug 3rd				@ MIL
Thu, Aug 13th				@ MIA
Mon, Aug 24th				@ SD
Thu, Sep 3rd				vs SF
Thu, Sep 10th				@ CWS

Who Should I Trade?

Devin Williams for Isaac Mattson (2026)

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