Aroldis Chapman or Isaac Mattson

Baseball Stats Comparison

Stats
Projections
News & Notes
Schedule

Aroldis Chapman or Isaac Mattson Player Statistics
	Aroldis Chapman RP - BOS	Isaac Mattson RP - PIT
2026 Stats


Games Played	50	38

Games Started	0	0

Innings Pitched	48.2	38.2

Wins	3	0

Losses	4	0

Saves	33	0

Blown Saves	2	2

Holds	0	8

Hits Allowed	35	44

Earned Runs	11	23

Home Runs Allowed	3	3

Strikeouts	65	36

Walks	20	18

ERA	2.03	5.35

WHIP	1.13	1.60

Aroldis Chapman or Isaac Mattson Player Projections
	Aroldis Chapman RP - BOS	Isaac Mattson RP - PIT
2026 Projections


Games Played	62	57

Games Started	0	0

Innings Pitched	58.4	60.8

Wins	4	3

Losses	3	3

Saves	30	2

Blown Saves	2	1

Holds	3	14

Hits Allowed	40	55

Earned Runs	19	30

Home Runs Allowed	5	7

Strikeouts	82	59

Walks	25	28

ERA	2.96	4.44

WHIP	1.12	1.35

Aroldis Chapman or Isaac Mattson Player Notes
	Aroldis Chapman RP - BOS	Isaac Mattson RP - PIT
News
	Aroldis Chapman struck out two batters while allowing one hit in a scoreless frame to earn the save in Sunday's 3-1 win over the Orioles. Chris Schommer Mon, Sep 7th	The Pirates placed RHP Isaac Mattson on the 15-day injured list with hip inflammation. Ari Koslow Tue, Sep 8th
	Aroldis Chapman struck out one batter in a scoreless outing to earn the save in Friday's 1-0 win over the Orioles. Chris Schommer Sat, Sep 5th	The Pirates recalled RHP Isaac Mattson from Triple-A Indianapolis. Ari Koslow Fri, Sep 4th
	Aroldis Chapman struck out two batters while allowing two earned runs on two hits to earn the save in Thursday's 6-5 win over the Orioles. Chris Schommer Fri, Sep 4th	The Pirates optioned Isaac Mattson to Triple-A Indianapolis. Ari Koslow Tue, Aug 18th
	Aroldis Chapman struck out one batter while allowing one hit in a scoreless outing to earn the save in Monday's 4-2 win over the Marlins. Chris Schommer Tue, Aug 25th	The Pirates recalled RHP Isaac Mattson from Triple-A Indianapolis. Ari Koslow Thu, Aug 13th
	Aroldis Chapman struck out one batter over a scoreless frame to earn the save in Sunday's win over the Giants. Chris Schommer Sun, Aug 23rd	The Pirates optioned RHP Isaac Mattson to Triple-A Indianapolis. Ari Koslow Sun, Aug 2nd
Notes
There are no recent notes for these players

Aroldis Chapman or Isaac Mattson 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 (6-10)	#130	@ NYM	Freddy Peralta (7-11)	#51
Sat, Mar 28th	@ CIN	Brady Singer (6-13)	#157	@ NYM	David Peterson (7-8)	#109
Sun, Mar 29th	@ CIN	Rhett Lowder (6-9)	#228	@ NYM	Nolan McLean (11-8)	#35
Mon, Mar 30th	@ HOU	Lance McCullers Jr. (2-3)		@ CIN	Chase Burns (15-3)	#34
Tue, Mar 31st	@ HOU	Hunter Brown (5-3)	#28	@ CIN	Brandon Williamson (3-4)	#369
Wed, Apr 1st	@ HOU	Mike Burrows (4-9)	#287	@ CIN	Andrew Abbott (6-10)	#130
Fri, Apr 3rd	vs SD	Michael King (10-9)	#58	vs BAL	Kyle Bradish (7-13)	#54
Sat, Apr 4th	vs SD	Randy Vasquez (10-6)	#205	vs BAL	Shane Baz (5-15)	#75
Sun, Apr 5th	vs SD	Walker Buehler (8-6)	#192	vs BAL	Chris Bassitt (6-5)	#141
Mon, Apr 6th	vs MIL	Brandon Woodruff (2-2)		vs SD	German Marquez (4-2)	#365
Tue, Apr 7th	vs MIL	Jacob Misiorowski (14-5)	#13	vs SD	Nick Pivetta (2-2)	#42
Wed, Apr 8th	vs MIL	Shane Drohan (7-5)	#95	vs SD	Michael King (10-9)	#58
Fri, Apr 10th	@ STL	Dustin May (6-9)	#57	@ CHC	Shota Imanaga (9-10)	#33
Sat, Apr 11th	@ STL	Kyle Leahy (10-4)	#90	@ CHC	Edward Cabrera (5-5)	#194
Sun, Apr 12th	@ STL	Andre Pallante (12-6)	#122	@ CHC	Jameson Taillon (2-6)
Mon, Apr 13th	@ MIN	Bailey Ober (7-5)	#88	vs WSH	Cade Cavalli (12-5)	#37
Tue, Apr 14th	@ MIN	Mick Abel (1-2)		vs WSH	PJ Poulin (3-0)
Wed, Apr 15th	@ MIN	Simeon Woods Richardson (2-7)		vs WSH	Jake Irvin (2-9)	#156
Fri, Apr 17th	vs DET	Casey Mize (5-9)	#52	vs TB	Nick Martinez (14-4)	#84
Sat, Apr 18th	vs DET	Tarik Skubal (8-7)	#2	vs TB	Drew Rasmussen (14-5)	#19
Sun, Apr 19th	vs DET	Framber Valdez (9-10)	#44	vs TB	Shane McClanahan (10-7)	#152
Mon, Apr 20th	vs DET	Jack Flaherty (3-8)	#97
Tue, Apr 21st	vs NYY	Luis Gil (1-2)	#286	@ TEX	Kumar Rocker (5-11)	#119
Wed, Apr 22nd	vs NYY	Max Fried (4-4)	#15	@ TEX	Jack Leiter (3-7)	#189
Thu, Apr 23rd	vs NYY	Cam Schlittler (12-6)	#18	@ TEX	Jacob deGrom (10-9)	#12
Fri, Apr 24th	@ BAL	Brandon Young (9-3)	#123	@ MIL	Brandon Woodruff (2-2)
Sat, Apr 25th	@ BAL	Trevor Rogers (10-9)	#53	@ MIL	Jacob Misiorowski (14-5)	#13
Sun, Apr 26th	@ BAL	Kyle Bradish (7-13)	#54	@ MIL	Kyle Harrison (10-4)	#63
Mon, Apr 27th	@ TOR	Dylan Cease (10-5)	#6	vs STL	Dustin May (6-9)	#57
Tue, Apr 28th	@ TOR	Trey Yesavage (5-5)	#214	vs STL	Kyle Leahy (10-4)	#90
Wed, Apr 29th	@ TOR	Eric Lauer (8-7)	#334	vs STL	Andre Pallante (12-6)	#122
Fri, May 1st	vs HOU	Mike Burrows (4-9)	#287	vs CIN	Brady Singer (6-13)	#157
Sat, May 2nd	vs HOU	Spencer Arrighetti (7-9)	#150	vs CIN	Rhett Lowder (6-9)	#228
Sun, May 3rd	vs HOU	Cody Bolton (0-1)	#325	vs CIN	Chase Burns (15-3)	#34
Mon, May 4th	@ DET	Tyler Holton (1-5)	#146
Tue, May 5th	@ DET	Framber Valdez (9-10)	#44	@ ARI	Eduardo Rodriguez (15-5)	#120
Wed, May 6th	@ DET	Jack Flaherty (3-8)	#97	@ ARI	Michael Soroka (8-4)	#93
Thu, May 7th	vs TB	Griffin Jax (6-10)	#30	@ ARI	Zac Gallen (3-9)	#138
Fri, May 8th	vs TB	Jesse Scholtens (5-3)	#371	@ SF	Robbie Ray (11-8)	#106
Sun, May 10th	vs TB	Nick Martinez (14-4)	#84	@ SF	Tyler Mahle (5-10)	#70
Tue, May 12th	vs PHI	Zack Wheeler (12-5)	#7	vs COL	Michael Lorenzen (3-11)	#131
Wed, May 13th	vs PHI	Andrew Painter (3-8)	#128	vs COL	Jose Quintana (2-3)	#407
Thu, May 14th	vs PHI	Jesus Luzardo (14-5)	#8	vs COL	Chase Dollander (3-3)
Fri, May 15th	@ ATL	Spencer Strider (4-2)		vs PHI	Aaron Nola (6-10)	#62
Sat, May 16th	@ ATL	Bryce Elder (8-8)	#144	vs PHI	Cristopher Sanchez (16-5)	#4
Sun, May 17th	@ ATL	Grant Holmes (9-5)	#155	vs PHI	Zack Wheeler (12-5)	#7
Mon, May 18th	@ KC	Seth Lugo (6-8)	#134
Tue, May 19th	@ KC	Bailey Falter (0-2)		@ STL	Matthew Liberatore (5-14)	#79
Wed, May 20th	@ KC	Michael Wacha (9-8)	#78	@ STL	Michael McGreevy (6-9)	#107
Fri, May 22nd	vs MIN	Connor Prielipp (4-7)	#73	@ TOR	Kevin Gausman (9-11)	#23
Sat, May 23rd	vs MIN	Taj Bradley (11-6)	#41	@ TOR	Patrick Corbin (3-4)
Sun, May 24th	vs MIN	Bailey Ober (7-5)	#88	@ TOR	Dylan Cease (10-5)	#6
Tue, May 26th	vs ATL	Spencer Strider (4-2)		vs CHC	Jordan Wicks (0-2)	#305
Wed, May 27th	vs ATL	Bryce Elder (8-8)	#144	vs CHC	Jameson Taillon (2-6)
Thu, May 28th	vs ATL	Chris Sale (14-9)	#3	vs CHC	Colin Rea (8-8)	#211
Fri, May 29th	@ CLE	Slade Cecconi (4-7)	#180	vs MIN	Taj Bradley (11-6)	#41
Sat, May 30th	@ CLE	Parker Messick (11-9)	#32	vs MIN	Bailey Ober (7-5)	#88
Sun, May 31st	@ CLE	Tanner Bibee (5-15)	#64	vs MIN	Zebby Matthews (9-9)	#92
Tue, Jun 2nd	vs BAL	Shane Baz (5-15)	#75	@ HOU	Mike Burrows (4-9)	#287
Wed, Jun 3rd	vs BAL	Chris Bassitt (6-5)	#141	@ HOU	Spencer Arrighetti (7-9)	#150
Thu, Jun 4th	vs BAL	Trevor Rogers (10-9)	#53	@ HOU	Kai-Wei Teng (5-7)	#341
Fri, Jun 5th	@ NYY	Ryan Weathers (5-8)	#177	@ ATL	Martin Perez (8-9)	#181
Sun, Jun 7th	@ NYY	Cam Schlittler (12-6)	#18	@ ATL	Bryce Elder (8-8)	#144
Mon, Jun 8th	@ TB	Ian Seymour (9-6)	#43
Tue, Jun 9th	@ TB	Nick Martinez (14-4)	#84	vs LAD	Eric Lauer (8-7)	#334
Wed, Jun 10th	@ TB	Drew Rasmussen (14-5)	#19	vs LAD	Shohei Ohtani (8-2)	#1
Fri, Jun 12th	vs TEX	Jack Leiter (3-7)	#189	vs MIA	Sandy Alcantara (13-9)	#71
Sat, Jun 13th	vs TEX	Jacob deGrom (10-9)	#12	vs MIA	Lake Bachar (1-3)	#328
Sun, Jun 14th	vs TEX	Nathan Eovaldi (10-9)	#162	vs MIA	Max Meyer (9-1)
Tue, Jun 16th	vs TOR	Dylan Cease (10-5)	#6	@ ATH	Jack Perkins (3-10)	#129
Wed, Jun 17th	vs TOR	Braydon Fisher (3-4)	#159	@ ATH	Aaron Civale (6-7)	#174
Thu, Jun 18th	vs TOR	Trey Yesavage (5-5)	#214
Fri, Jun 19th	@ SEA	Bryce Miller (4-8)	#50	@ COL	Kyle Freeland (4-10)	#381
Sat, Jun 20th	@ SEA	Emerson Hancock (7-8)	#199	@ COL	Tomoyuki Sugano (12-8)	#411
Sun, Jun 21st	@ SEA	Logan Gilbert (11-9)	#16	@ COL	Michael Lorenzen (3-11)	#131
Mon, Jun 22nd	@ COL	Ryan Feltner (5-9)	#410
Tue, Jun 23rd	@ COL	Sean Sullivan (0-3)	#389	vs SEA	George Kirby (9-11)	#24
Wed, Jun 24th	@ COL	Kyle Freeland (4-10)	#381	vs SEA	Bryan Woo (11-9)	#14
Thu, Jun 25th	vs NYY	Cam Schlittler (12-6)	#18	vs SEA	Bryce Miller (4-8)	#50
Fri, Jun 26th	vs NYY	Will Warren (9-6)	#80	vs CIN	Andrew Abbott (6-10)	#130
Sat, Jun 27th	vs NYY	Gerrit Cole (8-8)	#17	vs CIN	Chase Burns (15-3)	#34
Sun, Jun 28th	vs NYY	Carlos Rodon (5-3)	#49	vs CIN	Brady Singer (6-13)	#157
Mon, Jun 29th	vs WSH	Miles Mikolas (3-9)		@ PHI	Aaron Nola (6-10)	#62
Tue, Jun 30th	vs WSH	Cade Cavalli (12-5)	#37	@ PHI	Cristopher Sanchez (16-5)	#4
Wed, Jul 1st	vs WSH	Brad Lord (5-2)	#204	@ PHI	Zack Wheeler (12-5)	#7
Fri, Jul 3rd	@ LAA	Reid Detmers (4-8)	#22	@ WSH	Foster Griffin (15-4)	#56
Sat, Jul 4th	@ LAA	Sam Aldegheri (3-4)	#385	@ WSH	Carson Palmquist (0-2)	#342
Sun, Jul 5th	@ LAA	Ryan Johnson (3-8)	#169	@ WSH	Cade Cavalli (12-5)	#37
Tue, Jul 7th	@ CWS	Noah Schultz (3-9)	#309	vs ATL	Hurston Waldrep (0-1)
Wed, Jul 8th	@ CWS	Davis Martin (9-6)	#99	vs ATL	Grant Holmes (9-5)	#155
Thu, Jul 9th	@ CWS	Anthony Kay (9-8)	#147	vs ATL	Bryce Elder (8-8)	#144
Fri, Jul 10th	@ NYM	Nolan McLean (11-8)	#35
Sat, Jul 11th	@ NYM	Freddy Peralta (7-11)	#51	vs MIL	Shane Drohan (7-5)	#95
Sun, Jul 12th	@ NYM	Zac Thornton (3-5)	#125	vs MIL	Robert Gasser (4-5)	#85
Fri, Jul 17th	vs TB	Mason Englert (0-3)	#187
Sat, Jul 18th	vs TB	Ian Seymour (9-6)	#43	@ CLE	Logan Allen (0-0)	#230
Sun, Jul 19th	vs TB	Shane McClanahan (10-7)	#152	@ CLE	Joey Cantillo (9-9)	#72
Mon, Jul 20th	vs BAL	Shane Baz (5-15)	#75	@ NYY	Ryan Weathers (5-8)	#177
Wed, Jul 22nd	vs BAL	Kyle Bradish (7-13)	#54	@ NYY	Max Fried (4-4)	#15
Fri, Jul 24th	vs TOR	Trey Yesavage (5-5)	#214	vs CHC	Matthew Boyd (8-4)	#59
Sat, Jul 25th	vs TOR	Dylan Cease (10-5)	#6	vs CHC	Shota Imanaga (9-10)	#33
Sun, Jul 26th	vs TOR	Kevin Gausman (9-11)	#23	vs CHC	Jameson Taillon (2-6)
Mon, Jul 27th	@ ATH	Jack Perkins (3-10)	#129	vs ARI	Merrill Kelly (9-13)	#158
Tue, Jul 28th	@ ATH	Gage Jump (6-10)	#114	vs ARI	Brandon Pfaadt (7-2)	#96
Wed, Jul 29th	@ ATH	Jacob Lopez (6-4)	#139	vs ARI	Eduardo Rodriguez (15-5)	#120
Thu, Jul 30th	@ ATH	Mason Barnett (1-4)	#405	@ CIN	Rhett Lowder (6-9)	#228
Fri, Jul 31st	@ LAD	Edgardo Henriquez		@ CIN	Hunter Greene (2-2)
Sat, Aug 1st	@ LAD	Yoshinobu Yamamoto (12-8)	#5	@ CIN	Andrew Abbott (6-10)	#130
Sun, Aug 2nd	@ LAD	Emmet Sheehan (5-8)	#55	@ CIN	Chase Burns (15-3)	#34
Tue, Aug 4th	vs CWS	Davis Martin (9-6)	#99	@ MIL	Logan Henderson (9-3)	#25
Wed, Aug 5th	vs CWS	Sean Burke (8-6)	#65	@ MIL	Kyle Harrison (10-4)	#63
Thu, Aug 6th	vs CWS	Luis Castillo (4-11)	#98	@ MIL	Dustin May (6-9)	#57
Fri, Aug 7th	vs ATH	Jack Perkins (3-10)	#129	vs NYM	Zac Thornton (3-5)	#125
Sat, Aug 8th	vs ATH	Gage Jump (6-10)	#114	vs NYM	Robert Stock (1-3)	#160
Sun, Aug 9th	vs ATH	J.T. Ginn (9-8)	#254	vs NYM	Sean Manaea (4-7)	#69
Mon, Aug 10th	@ TOR	Jameson Taillon (2-6)
Tue, Aug 11th	@ TOR	Dylan Cease (10-5)	#6	@ MIA	Eury Perez (7-11)	#45
Wed, Aug 12th	@ TOR	Jose Soriano (11-7)	#40	@ MIA	Janson Junk (6-9)	#100
Thu, Aug 13th	@ TOR	Max Scherzer (2-7)	#111	@ MIA	Tyler Phillips (5-6)	#184
Fri, Aug 14th	@ PIT	Bubba Chandler (6-9)	#117	vs BOS	Jake Bennett (9-6)	#74
Sat, Aug 15th	@ PIT	Jared Jones (3-6)	#46	vs BOS	Sonny Gray (17-4)	#38
Sun, Aug 16th	@ PIT	Lake Bachar (1-3)	#328	vs BOS	Patrick Sandoval (1-4)	#101
Mon, Aug 17th	vs ARI	Mitch Bratt (1-3)	#271	vs DET	Framber Valdez (9-10)	#44
Tue, Aug 18th	vs ARI	Merrill Kelly (9-13)	#158	vs DET	Keider Montero (9-8)	#116
Wed, Aug 19th	vs ARI	Brandon Pfaadt (7-2)	#96	vs DET	Jackson Jobe (1-2)	#149
Fri, Aug 21st	vs SF	Logan Webb (8-8)	#21	@ LAD	Yoshinobu Yamamoto (12-8)	#5
Sat, Aug 22nd	vs SF	Blade Tidwell (0-2)	#164	@ LAD	Tarik Skubal (8-7)	#2
Sun, Aug 23rd	vs SF	Matt Wilkinson (0-3)	#153	@ LAD	Blake Snell (3-1)	#10
Mon, Aug 24th	@ MIA	Sandy Alcantara (13-9)	#71	@ SD	Robbie Ray (11-8)	#106
Tue, Aug 25th	@ MIA	Tyler Phillips (5-6)	#184	@ SD	Michael King (10-9)	#58
Wed, Aug 26th	@ MIA	Ryan Gusto (1-4)	#121	@ SD	Randy Vasquez (10-6)	#205
Fri, Aug 28th	@ NYY	Cam Schlittler (12-6)	#18	@ STL	Quinn Mathews (1-2)	#140
Sat, Aug 29th	@ NYY	Max Fried (4-4)	#15	@ STL	Kyle Leahy (10-4)	#90
Sun, Aug 30th	@ NYY	Will Warren (9-6)	#80	@ STL	Matthew Liberatore (5-14)	#79
Mon, Aug 31st	vs SEA	George Kirby (9-11)	#24
Tue, Sep 1st	vs SEA	Bryan Woo (11-9)	#14	vs SF	Logan Webb (8-8)	#21
Wed, Sep 2nd	vs SEA	Bryce Miller (4-8)	#50	vs SF	Landen Roupp (8-13)	#87
Thu, Sep 3rd	@ BAL	Brandon Young (9-3)	#123	vs SF	Blade Tidwell (0-2)	#164
Fri, Sep 4th	@ BAL	Shane Baz (5-15)	#75	vs LAA	Ryan Johnson (3-8)	#169
Sat, Sep 5th	@ BAL	Chris Bassitt (6-5)	#141	vs LAA	Yusei Kikuchi (1-5)	#81
Sun, Sep 6th	@ BAL	Kyle Bradish (7-13)	#54	vs LAA	Walbert Urena (9-10)	#168
Mon, Sep 7th	vs LAA	Grayson Rodriguez (4-7)	#102
Tue, Sep 8th	vs LAA	Reid Detmers (4-8)	#22	@ CWS	Sean Burke (8-6)	#65
Wed, Sep 9th	vs LAA	Ryan Johnson (3-8)	#169	@ CWS	Davis Martin (9-6)	#99
Fri, Sep 11th	vs KC	Seth Lugo (6-8)	#134	@ CHC	Shota Imanaga (9-10)	#33
Sat, Sep 12th	vs KC	Randy Dobnak (3-3)	#397	@ CHC	Clay Holmes (6-7)	#68
Sun, Sep 13th	vs KC	Noah Cameron (9-8)	#91	@ CHC	Matthew Boyd (8-4)	#59
Tue, Sep 15th	@ TEX	Nathan Eovaldi (10-9)	#162	vs MIL	Robert Gasser (4-5)	#85
Wed, Sep 16th	@ TEX	Kumar Rocker (5-11)	#119	vs MIL	Jacob Misiorowski (14-5)	#13
Thu, Sep 17th	@ TEX	Jacob deGrom (10-9)	#12	vs MIL	Dustin May (6-9)	#57
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 (15-4)	#56
Thu, Apr 30th				vs STL	Hunter Dobbins (3-3)
Sat, May 9th				@ SF	Landen Roupp (8-13)	#87
Thu, May 21st				@ STL	Dustin May (6-9)	#57
Mon, May 25th				vs CHC	Ben Brown (4-2)
Sat, Jun 6th				@ ATL	Spencer Strider (4-2)
Thu, Jun 11th				vs LAD	Justin Wrobleski (11-5)	#103
Mon, Jun 15th				@ ATH	J.T. Ginn (9-8)	#254
Thu, Jul 2nd				@ PHI	Alan Rangel (0-3)	#376
Mon, Aug 3rd				@ MIL	Brandon Sproat (3-7)	#206
Thu, Sep 10th				@ CWS	Luis Castillo (4-11)	#98