Who Should I Trade?

Aroldis Chapman for Isaac Mattson (2026)

Summary
Stats
Projections
News & Notes
Schedule

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

Rest of Season	# 21	# 392
VBR	# 178	# 617

Projections

Strikeouts	28	19
Wins	2	1
Saves	11	1
ERA	3.11	4.29
WHIP	1.22	1.42

Misc

Injury Alert	-	-

Expert Ranks

Scott Pianowski Yahoo! Sports	# 21	‐

Dalton Del Don The Deep Shot	# 19	‐

Chris Welsh FantasyPros	# 28	‐

Mike Maher BettingPros	# 21	‐

Kelly Kirby FantasyPros	# 23	# 421

Kevin Spinelli KevScores	# 69	# 418

Who Should I Trade? Player Statistics
	Aroldis Chapman RP - BOS	Isaac Mattson RP - PIT
2026 Stats


Games Played	36	35

Games Started	0	0

Innings Pitched	34.2	33.0

Wins	1	0

Losses	3	0

Saves	25	0

Blown Saves	2	2

Holds	0	8

Hits Allowed	26	35

Earned Runs	7	18

Home Runs Allowed	1	3

Strikeouts	45	30

Walks	17	15

ERA	1.82	4.91

WHIP	1.24	1.52

Who Should I Trade? Player Projections
	Aroldis Chapman RP - BOS	Isaac Mattson RP - PIT
2026 Projections


Games Played	24	23

Games Started	0	0

Innings Pitched	21.3	20.2

Wins	2	1

Losses	1	1

Saves	11	1

Blown Saves	0	0

Holds	1	4

Hits Allowed	15	18

Earned Runs	7	10

Home Runs Allowed	2	3

Strikeouts	28	19

Walks	10	10

ERA	3.11	4.29

WHIP	1.22	1.42

Who Should I Trade? Player Notes
	Aroldis Chapman RP - BOS	Isaac Mattson RP - PIT
News
	Aroldis Chapman struck out two batters while allowing one walk in a scoreless appearance to earn the save in Friday's 6-4 win over the Blue Jays. Chris Schommer Sat, Jul 25th	The Pirates recalled RHP Isaac Mattson from Triple-A Indianapolis. Ari Koslow Sat, Jun 13th
	Aroldis Chapman allowed one hit and one walk over one scoreless inning to record the save in a win over the Orioles. Chris Schommer Wed, Jul 22nd	Isaac Mattson has been sent to Triple-A Indianapolis. Nate Miller - FantasyPros Wed, May 20th
	Aroldis Chapman struck out two batters while allowing one hit and one walk over a scoreless frame to earn the save in Monday's 6-5 win over the Orioles. Chris Schommer Tue, Jul 21st	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
	Aroldis Chapman walked two batters over a scoreless inning to earn the save in Saturday's 7-6 win over the Rays. Chris Schommer Sun, Jul 19th
	Aroldis Chapman struck out two batters on 13 pitches in a scoreless appearance to earn the save in Friday's 5-3 win over the Rays. Chris Schommer Sat, Jul 18th
Notes
There are no recent notes for these players

Who Should I Trade? Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	Aroldis Chapman RP - BOS			Isaac Mattson RP - PIT
Thu, Mar 26th	@ CIN	Andrew Abbott (5-6)	#106	@ NYM	Freddy Peralta (5-9)	#42
Sat, Mar 28th	@ CIN	Brady Singer (5-9)	#153	@ NYM	David Peterson (6-7)	#90
Sun, Mar 29th	@ CIN	Rhett Lowder (3-7)	#276	@ NYM	Nolan McLean (7-7)	#30
Mon, Mar 30th	@ HOU	Lance McCullers Jr. (2-3)	#288	@ CIN	Chase Burns (12-1)	#23
Tue, Mar 31st	@ HOU	Hunter Brown (2-1)	#21	@ CIN	Brandon Williamson (2-3)	#420
Wed, Apr 1st	@ HOU	Mike Burrows (4-9)	#178	@ CIN	Andrew Abbott (5-6)	#106
Fri, Apr 3rd	vs SD	Michael King (6-7)	#50	vs BAL	Kyle Bradish (7-9)	#38
Sat, Apr 4th	vs SD	Randy Vasquez (6-6)	#241	vs BAL	Shane Baz (4-9)	#76
Sun, Apr 5th	vs SD	Walker Buehler (6-5)	#220	vs BAL	Chris Bassitt (4-4)	#266
Mon, Apr 6th	vs MIL	Brandon Woodruff (2-2)		vs SD	German Marquez (4-2)	#370
Tue, Apr 7th	vs MIL	Jacob Misiorowski (11-4)	#7	vs SD	Nick Pivetta (1-2)	#116
Wed, Apr 8th	vs MIL	Shane Drohan (5-4)	#74	vs SD	Michael King (6-7)	#50
Fri, Apr 10th	@ STL	Dustin May (5-7)	#48	@ CHC	Shota Imanaga (7-8)	#27
Sat, Apr 11th	@ STL	Kyle Leahy (7-4)	#109	@ CHC	Edward Cabrera (5-4)	#115
Sun, Apr 12th	@ STL	Andre Pallante (11-6)	#123	@ CHC	Jameson Taillon (2-6)	#114
Mon, Apr 13th	@ MIN	Bailey Ober (7-3)	#84	vs WSH	Cade Cavalli (7-4)	#54
Tue, Apr 14th	@ MIN	Mick Abel (1-2)		vs WSH	PJ Poulin (3-0)	#280
Wed, Apr 15th	@ MIN	Simeon Woods Richardson (1-7)		vs WSH	Jake Irvin (2-4)	#177
Fri, Apr 17th	vs DET	Casey Mize (4-6)	#49	vs TB	Nick Martinez (10-2)	#94
Sat, Apr 18th	vs DET	Tarik Skubal (7-5)	#2	vs TB	Drew Rasmussen (9-5)	#16
Sun, Apr 19th	vs DET	Framber Valdez (5-7)	#34	vs TB	Shane McClanahan (9-6)	#41
Mon, Apr 20th	vs DET	Jack Flaherty (3-8)	#79
Tue, Apr 21st	vs NYY	Luis Gil (1-2)	#303	@ TEX	Kumar Rocker (4-8)	#92
Wed, Apr 22nd	vs NYY	Max Fried (4-3)	#14	@ TEX	Jack Leiter (3-7)	#128
Thu, Apr 23rd	vs NYY	Cam Schlittler (10-6)	#18	@ TEX	Jacob deGrom (7-6)	#8
Fri, Apr 24th	@ BAL	Brandon Young (8-2)	#140	@ MIL	Brandon Woodruff (2-2)
Sat, Apr 25th	@ BAL	Trevor Rogers (6-7)	#75	@ MIL	Jacob Misiorowski (11-4)	#7
Sun, Apr 26th	@ BAL	Kyle Bradish (7-9)	#38	@ MIL	Kyle Harrison (8-2)	#52
Mon, Apr 27th	@ TOR	Dylan Cease (7-5)	#10	vs STL	Dustin May (5-7)	#48
Tue, Apr 28th	@ TOR	Trey Yesavage (4-5)	#66	vs STL	Kyle Leahy (7-4)	#109
Wed, Apr 29th	@ TOR	Eric Lauer (5-5)	#360	vs STL	Andre Pallante (11-6)	#123
Fri, May 1st	vs HOU	Mike Burrows (4-9)	#178	vs CIN	Brady Singer (5-9)	#153
Sat, May 2nd	vs HOU	Spencer Arrighetti (7-5)	#202	vs CIN	Rhett Lowder (3-7)	#276
Sun, May 3rd	vs HOU	Cody Bolton (0-1)	#313	vs CIN	Chase Burns (12-1)	#23
Mon, May 4th	@ DET	Tyler Holton (1-4)	#138
Tue, May 5th	@ DET	Framber Valdez (5-7)	#34	@ ARI	Eduardo Rodriguez (9-3)	#121
Wed, May 6th	@ DET	Jack Flaherty (3-8)	#79	@ ARI	Michael Soroka (8-3)	#65
Thu, May 7th	vs TB	Griffin Jax (6-7)	#63	@ ARI	Zac Gallen (3-9)	#175
Fri, May 8th	vs TB	Jesse Scholtens (5-3)	#355	@ SF	Robbie Ray (9-6)	#96
Sun, May 10th	vs TB	Nick Martinez (10-2)	#94	@ SF	Tyler Mahle (3-9)	#80
Tue, May 12th	vs PHI	Zack Wheeler (10-2)	#5	vs COL	Michael Lorenzen (3-9)	#432
Wed, May 13th	vs PHI	Andrew Painter (1-8)	#238	vs COL	Jose Quintana (2-3)	#429
Thu, May 14th	vs PHI	Jesus Luzardo (9-5)	#9	vs COL	Chase Dollander (3-3)
Fri, May 15th	@ ATL	Spencer Strider (4-2)	#309	vs PHI	Aaron Nola (3-8)	#59
Sat, May 16th	@ ATL	Bryce Elder (6-6)	#142	vs PHI	Cristopher Sanchez (13-4)	#4
Sun, May 17th	@ ATL	Grant Holmes (6-4)	#146	vs PHI	Zack Wheeler (10-2)	#5
Mon, May 18th	@ KC	Seth Lugo (4-6)	#133
Tue, May 19th	@ KC	Bailey Falter (0-2)		@ STL	Matthew Liberatore (5-8)	#104
Wed, May 20th	@ KC	Michael Wacha (5-7)	#69	@ STL	Michael McGreevy (4-8)	#89
Fri, May 22nd	vs MIN	Connor Prielipp (3-5)	#103	@ TOR	Kevin Gausman (4-10)	#28
Sat, May 23rd	vs MIN	Taj Bradley (9-4)	#57	@ TOR	Patrick Corbin (3-4)	#314
Sun, May 24th	vs MIN	Bailey Ober (7-3)	#84	@ TOR	Dylan Cease (7-5)	#10
Tue, May 26th	vs ATL	Spencer Strider (4-2)	#309	vs CHC	Jordan Wicks (0-2)	#224
Wed, May 27th	vs ATL	Bryce Elder (6-6)	#142	vs CHC	Jameson Taillon (2-6)	#114
Thu, May 28th	vs ATL	Chris Sale (11-6)	#6	vs CHC	Colin Rea (7-7)	#186
Fri, May 29th	@ CLE	Slade Cecconi (4-7)	#113	vs MIN	Taj Bradley (9-4)	#57
Sat, May 30th	@ CLE	Parker Messick (8-6)	#47	vs MIN	Bailey Ober (7-3)	#84
Sun, May 31st	@ CLE	Tanner Bibee (4-10)	#58	vs MIN	Zebby Matthews (4-8)	#108
Tue, Jun 2nd	vs BAL	Shane Baz (4-9)	#76	@ HOU	Mike Burrows (4-9)	#178
Wed, Jun 3rd	vs BAL	Chris Bassitt (4-4)	#266	@ HOU	Spencer Arrighetti (7-5)	#202
Thu, Jun 4th	vs BAL	Trevor Rogers (6-7)	#75	@ HOU	Kai-Wei Teng (5-6)	#255
Fri, Jun 5th	@ NYY	Ryan Weathers (4-7)	#60	@ ATL	Martin Perez (6-6)	#235
Sun, Jun 7th	@ NYY	Cam Schlittler (10-6)	#18	@ ATL	Bryce Elder (6-6)	#142
Mon, Jun 8th	@ TB	Ian Seymour (6-3)	#70
Tue, Jun 9th	@ TB	Nick Martinez (10-2)	#94	vs LAD	Eric Lauer (5-5)	#360
Wed, Jun 10th	@ TB	Drew Rasmussen (9-5)	#16	vs LAD	Shohei Ohtani (8-2)	#1
Fri, Jun 12th	vs TEX	Jack Leiter (3-7)	#128	vs MIA	Sandy Alcantara (10-6)	#55
Sat, Jun 13th	vs TEX	Jacob deGrom (7-6)	#8	vs MIA	Lake Bachar (1-2)	#203
Sun, Jun 14th	vs TEX	Nathan Eovaldi (10-8)	#17	vs MIA	Max Meyer (9-1)	#81
Tue, Jun 16th	vs TOR	Dylan Cease (7-5)	#10	@ ATH	Jack Perkins (2-6)	#101
Wed, Jun 17th	vs TOR	Braydon Fisher (3-3)	#160	@ ATH	Aaron Civale (5-7)	#188
Thu, Jun 18th	vs TOR	Trey Yesavage (4-5)	#66
Fri, Jun 19th	@ SEA	Bryce Miller (4-5)	#40	@ COL	Kyle Freeland (2-10)	#341
Sat, Jun 20th	@ SEA	Emerson Hancock (6-4)	#86	@ COL	Tomoyuki Sugano (10-4)	#433
Sun, Jun 21st	@ SEA	Logan Gilbert (8-6)	#11	@ COL	Michael Lorenzen (3-9)	#432
Mon, Jun 22nd	@ COL	Ryan Feltner (3-5)	#431
Tue, Jun 23rd	@ COL	Sean Sullivan (0-3)	#425	vs SEA	George Kirby (8-9)	#20
Wed, Jun 24th	@ COL	Kyle Freeland (2-10)	#341	vs SEA	Bryan Woo (7-7)	#13
Thu, Jun 25th	vs NYY	Cam Schlittler (10-6)	#18	vs SEA	Bryce Miller (4-5)	#40
Fri, Jun 26th	vs NYY	Will Warren (7-5)	#71	vs CIN	Andrew Abbott (5-6)	#106
Sat, Jun 27th	vs NYY	Gerrit Cole (3-5)	#26	vs CIN	Chase Burns (12-1)	#23
Sun, Jun 28th	vs NYY	Carlos Rodon (4-2)	#107	vs CIN	Brady Singer (5-9)	#153
Mon, Jun 29th	vs WSH	Miles Mikolas (3-7)	#292	@ PHI	Aaron Nola (3-8)	#59
Tue, Jun 30th	vs WSH	Cade Cavalli (7-4)	#54	@ PHI	Cristopher Sanchez (13-4)	#4
Wed, Jul 1st	vs WSH	Brad Lord (5-2)	#208	@ PHI	Zack Wheeler (10-2)	#5
Fri, Jul 3rd	@ LAA	Reid Detmers (3-7)	#37	@ WSH	Foster Griffin (12-2)	#53
Sat, Jul 4th	@ LAA	Sam Aldegheri (3-4)	#426	@ WSH	Carson Palmquist (0-1)	#331
Sun, Jul 5th	@ LAA	Ryan Johnson (2-5)	#170	@ WSH	Cade Cavalli (7-4)	#54
Tue, Jul 7th	@ CWS	Noah Schultz (3-7)	#239	vs ATL	Hurston Waldrep (0-1)	#297
Wed, Jul 8th	@ CWS	Davis Martin (9-5)	#91	vs ATL	Grant Holmes (6-4)	#146
Thu, Jul 9th	@ CWS	Anthony Kay (7-4)	#210	vs ATL	Bryce Elder (6-6)	#142
Fri, Jul 10th	@ NYM	Nolan McLean (7-7)	#30
Sat, Jul 11th	@ NYM	Freddy Peralta (5-9)	#42	vs MIL	Shane Drohan (5-4)	#74
Sun, Jul 12th	@ NYM	Zac Thornton (2-1)	#155	vs MIL	Robert Gasser (3-4)	#120
Fri, Jul 17th	vs TB	Mason Englert (0-3)	#174
Sat, Jul 18th	vs TB	Ian Seymour (6-3)	#70	@ CLE	Logan Allen (0-0)	#164
Sun, Jul 19th	vs TB	Shane McClanahan (9-6)	#41	@ CLE	Joey Cantillo (8-6)	#77
Mon, Jul 20th	vs BAL	Shane Baz (4-9)	#76	@ NYY	Ryan Weathers (4-7)	#60
Wed, Jul 22nd	vs BAL	Kyle Bradish (7-9)	#38	@ NYY	Max Fried (4-3)	#14
Fri, Jul 24th	vs TOR	Trey Yesavage (4-5)	#66	vs CHC	Matthew Boyd (6-1)	#35
Sat, Jul 25th	vs TOR	Dylan Cease (7-5)	#10	vs CHC	Shota Imanaga (7-8)	#27
Sun, Jul 26th	vs TOR	Kevin Gausman (4-10)	#28	vs CHC	Jameson Taillon (2-6)	#114
Mon, Jul 27th	@ ATH	Jack Perkins (2-6)	#101	vs ARI	Merrill Kelly (8-8)	#119
Tue, Jul 28th	@ ATH	Gage Jump (3-6)	#98	vs ARI	Brandon Pfaadt (5-1)	#73
Wed, Jul 29th	@ ATH	Jacob Lopez (5-4)	#221	vs ARI	Eduardo Rodriguez (9-3)	#121
Thu, Jul 30th	@ ATH	Mason Barnett (1-1)	#389	@ CIN	Hunter Greene (2-2)	#22
Fri, Jul 31st	@ LAD	Yoshinobu Yamamoto (11-6)	#12	@ CIN	Andrew Abbott (5-6)	#106
Sat, Aug 1st	@ LAD	Emmet Sheehan (4-7)	#43	@ CIN
Sun, Aug 2nd	@ LAD			@ CIN	Chase Burns (12-1)	#23
Tue, Aug 4th	vs CWS	Davis Martin (9-5)	#91	@ MIL	Shane Drohan (5-4)	#74
Wed, Aug 5th	vs CWS	Sean Burke (7-5)	#78	@ MIL	Kyle Harrison (8-2)	#52
Thu, Aug 6th	vs CWS			@ MIL
Fri, Aug 7th	vs ATH			vs NYM
Sat, Aug 8th	vs ATH			vs NYM
Sun, Aug 9th	vs ATH			vs NYM
Mon, Aug 10th	@ TOR
Tue, Aug 11th	@ TOR			@ MIA
Wed, Aug 12th	@ TOR			@ MIA
Thu, Aug 13th	@ TOR			@ MIA
Fri, Aug 14th	@ PIT			vs BOS
Sat, Aug 15th	@ PIT			vs BOS
Sun, Aug 16th	@ PIT			vs BOS
Mon, Aug 17th	vs ARI			vs DET
Tue, Aug 18th	vs ARI			vs DET
Wed, Aug 19th	vs ARI			vs DET
Fri, Aug 21st	vs SF			@ LAD
Sat, Aug 22nd	vs SF			@ LAD
Sun, Aug 23rd	vs SF			@ LAD
Mon, Aug 24th	@ MIA			@ SD
Tue, Aug 25th	@ MIA			@ SD
Wed, Aug 26th	@ MIA			@ SD
Fri, Aug 28th	@ NYY			@ STL
Sat, Aug 29th	@ NYY			@ STL
Sun, Aug 30th	@ NYY			@ STL
Mon, Aug 31st	vs SEA
Tue, Sep 1st	vs SEA			vs SF
Wed, Sep 2nd	vs SEA			vs SF
Thu, Sep 3rd	@ BAL			vs SF
Fri, Sep 4th	@ BAL			vs LAA
Sat, Sep 5th	@ BAL			vs LAA
Sun, Sep 6th	@ BAL			vs LAA
Mon, Sep 7th	vs LAA
Tue, Sep 8th	vs LAA			@ CWS
Wed, Sep 9th	vs LAA			@ CWS
Fri, Sep 11th	vs KC			@ CHC
Sat, Sep 12th	vs KC			@ CHC
Sun, Sep 13th	vs KC			@ CHC
Tue, Sep 15th	@ TEX			vs MIL
Wed, Sep 16th	@ TEX			vs MIL
Thu, Sep 17th	@ TEX			vs MIL
Fri, Sep 18th	@ TB			vs KC
Sat, Sep 19th	@ TB			vs KC
Sun, Sep 20th	@ TB			vs KC
Tue, Sep 22nd	vs CLE			vs STL
Wed, Sep 23rd	vs CLE			vs STL
Thu, Sep 24th	vs CLE			vs STL
Fri, Sep 25th	vs CHC			@ DET
Sat, Sep 26th	vs CHC			@ DET
Sun, Sep 27th	vs CHC			@ DET
Thu, Apr 16th				vs WSH	Foster Griffin (12-2)	#53
Thu, Apr 30th				vs STL	Hunter Dobbins (2-1)	#167
Sat, May 9th				@ SF	Landen Roupp (7-8)	#61
Thu, May 21st				@ STL	Dustin May (5-7)	#48
Mon, May 25th				vs CHC	Ben Brown (4-2)	#105
Sat, Jun 6th				@ ATL	Spencer Strider (4-2)	#309
Thu, Jun 11th				vs LAD	Justin Wrobleski (11-2)	#68
Mon, Jun 15th				@ ATH	J.T. Ginn (8-6)	#139
Thu, Jul 2nd				@ PHI	Alan Rangel (0-3)	#308
Mon, Aug 3rd				@ MIL	Logan Henderson (4-1)	#46
Thu, Sep 10th				@ CWS

Who Should I Trade?

Aroldis Chapman for Isaac Mattson (2026)

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