Isaac Mattson or John Brebbia

Baseball Stats Comparison

Stats
Projections
News & Notes
Schedule

Isaac Mattson or John Brebbia Player Statistics
	Isaac Mattson RP - PIT	John Brebbia RP - BOS
2026 Stats


Games Played	38	3

Games Started	0	0

Innings Pitched	38.2	4.1

Wins	0	0

Losses	0	0

Saves	0	0

Blown Saves	2	0

Holds	8	0

Hits Allowed	44	7

Earned Runs	23	5

Home Runs Allowed	3	2

Strikeouts	36	2

Walks	18	0

ERA	5.35	10.38

WHIP	1.60	1.62

Isaac Mattson or John Brebbia Player Projections
	Isaac Mattson RP - PIT	John Brebbia RP - BOS
2026 Projections


Games Played	57	32

Games Started	0	0

Innings Pitched	60.8	32.0

Wins	3	2

Losses	3	2

Saves	2	0

Blown Saves	1	0

Holds	14	2

Hits Allowed	55	34

Earned Runs	30	20

Home Runs Allowed	7	6

Strikeouts	59	32

Walks	28	12

ERA	4.44	5.69

WHIP	1.35	1.42

Isaac Mattson or John Brebbia Player Notes
	Isaac Mattson RP - PIT	John Brebbia RP - BOS
News
	The Pirates placed RHP Isaac Mattson on the 15-day injured list with hip inflammation. Ari Koslow Tue, Sep 8th	The Red Sox signed RHP John Brebbia to a minor league contract. Ari Koslow Fri, Aug 7th
	The Pirates recalled RHP Isaac Mattson from Triple-A Indianapolis. Ari Koslow Fri, Sep 4th	The Rockies re-signed John Brebbia to a minor league contract. Ari Koslow Thu, Jul 9th
	The Pirates optioned Isaac Mattson to Triple-A Indianapolis. Ari Koslow Tue, Aug 18th	John Brebbia has elected free agency. Ari Koslow Fri, Jul 3rd
	The Pirates recalled RHP Isaac Mattson from Triple-A Indianapolis. Ari Koslow Thu, Aug 13th	The Rockies designated RHP John Brebbia for assignment. Ari Koslow Wed, Jul 1st
	The Pirates optioned RHP Isaac Mattson to Triple-A Indianapolis. Ari Koslow Sun, Aug 2nd	The Rockies selected the contract of RHP John Brebbia from Triple-A Albuquerque. Ari Koslow Sun, Jun 21st
Notes
There are no recent notes for these players

Isaac Mattson or John Brebbia Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	Isaac Mattson RP - PIT			John Brebbia RP - BOS
Thu, Mar 26th	@ NYM	Freddy Peralta (9-11)	#52	@ CIN	Andrew Abbott (6-11)	#128
Sat, Mar 28th	@ NYM	David Peterson (7-8)	#101	@ CIN	Brady Singer (6-14)	#155
Sun, Mar 29th	@ NYM	Nolan McLean (11-9)	#33	@ CIN	Rhett Lowder (6-10)	#227
Mon, Mar 30th	@ CIN	Chase Burns (15-3)	#31	@ HOU	Lance McCullers Jr. (2-3)
Tue, Mar 31st	@ CIN	Brandon Williamson (4-4)	#399	@ HOU	Hunter Brown (5-3)	#25
Wed, Apr 1st	@ CIN	Andrew Abbott (6-11)	#128	@ HOU	Mike Burrows (4-9)	#229
Fri, Apr 3rd	vs BAL	Kyle Bradish (7-14)	#61	vs SD	Michael King (11-9)	#60
Sat, Apr 4th	vs BAL	Shane Baz (6-15)	#69	vs SD	Randy Vasquez (10-6)	#163
Sun, Apr 5th	vs BAL	Chris Bassitt (7-5)	#143	vs SD	Walker Buehler (8-6)	#167
Mon, Apr 6th	vs SD	German Marquez (4-2)	#369	vs MIL	Brandon Woodruff (2-2)
Tue, Apr 7th	vs SD	Nick Pivetta (2-2)	#32	vs MIL	Jacob Misiorowski (14-5)	#7
Wed, Apr 8th	vs SD	Michael King (11-9)	#60	vs MIL	Shane Drohan (7-5)	#79
Fri, Apr 10th	@ CHC	Shota Imanaga (10-10)	#30	@ STL	Dustin May (7-9)	#51
Sat, Apr 11th	@ CHC	Edward Cabrera (5-5)	#258	@ STL	Kyle Leahy (10-4)	#71
Sun, Apr 12th	@ CHC	Jameson Taillon (2-6)		@ STL	Andre Pallante (12-6)	#92
Mon, Apr 13th	vs WSH	Cade Cavalli (12-5)	#36	@ MIN	Bailey Ober (7-5)	#87
Tue, Apr 14th	vs WSH	PJ Poulin (3-0)		@ MIN	Mick Abel (1-2)
Wed, Apr 15th	vs WSH	Jake Irvin (2-9)	#149	@ MIN	Simeon Woods Richardson (2-7)
Thu, Apr 16th	vs WSH	Foster Griffin (15-5)	#57
Fri, Apr 17th	vs TB	Nick Martinez (14-4)	#90	vs DET	Casey Mize (5-9)	#54
Sat, Apr 18th	vs TB	Drew Rasmussen (14-5)	#14	vs DET	Tarik Skubal (9-7)	#1
Sun, Apr 19th	vs TB	Shane McClanahan (10-7)	#152	vs DET	Framber Valdez (10-10)	#46
Tue, Apr 21st	@ TEX	Kumar Rocker (5-11)	#117	vs NYY	Luis Gil (1-2)	#212
Wed, Apr 22nd	@ TEX	Jack Leiter (3-7)	#230	vs NYY	Max Fried (4-4)	#17
Thu, Apr 23rd	@ TEX	Jacob deGrom (10-9)	#3	vs NYY	Cam Schlittler (14-6)	#15
Fri, Apr 24th	@ MIL	Brandon Woodruff (2-2)		@ BAL	Brandon Young (9-4)	#120
Sat, Apr 25th	@ MIL	Jacob Misiorowski (14-5)	#7	@ BAL	Trevor Rogers (10-10)	#42
Sun, Apr 26th	@ MIL	Kyle Harrison (10-4)	#62	@ BAL	Kyle Bradish (7-14)	#61
Mon, Apr 27th	vs STL	Dustin May (7-9)	#51	@ TOR	Dylan Cease (11-5)	#4
Tue, Apr 28th	vs STL	Kyle Leahy (10-4)	#71	@ TOR	Trey Yesavage (5-5)	#243
Wed, Apr 29th	vs STL	Andre Pallante (12-6)	#92	@ TOR	Eric Lauer (8-7)	#314
Thu, Apr 30th	vs STL	Hunter Dobbins (3-3)
Fri, May 1st	vs CIN	Brady Singer (6-14)	#155	vs HOU	Mike Burrows (4-9)	#229
Sat, May 2nd	vs CIN	Rhett Lowder (6-10)	#227	vs HOU	Spencer Arrighetti (8-9)	#140
Sun, May 3rd	vs CIN	Chase Burns (15-3)	#31	vs HOU	Cody Bolton (0-1)	#361
Tue, May 5th	@ ARI	Eduardo Rodriguez (15-6)	#114	@ DET	Framber Valdez (10-10)	#46
Wed, May 6th	@ ARI	Michael Soroka (8-5)	#78	@ DET	Jack Flaherty (3-8)	#91
Thu, May 7th	@ ARI	Zac Gallen (3-9)	#118	vs TB	Griffin Jax (7-10)	#29
Fri, May 8th	@ SF	Robbie Ray (12-8)	#105	vs TB	Jesse Scholtens (5-3)	#262
Sat, May 9th	@ SF	Landen Roupp (9-13)	#100
Sun, May 10th	@ SF	Tyler Mahle (6-10)	#58	vs TB	Nick Martinez (14-4)	#90
Tue, May 12th	vs COL	Michael Lorenzen (3-12)	#119	vs PHI	Zack Wheeler (12-5)	#9
Wed, May 13th	vs COL	Jose Quintana (2-3)	#401	vs PHI	Andrew Painter (3-9)	#132
Thu, May 14th	vs COL	Chase Dollander (3-3)		vs PHI	Jesus Luzardo (14-5)	#18
Fri, May 15th	vs PHI	Aaron Nola (6-10)	#50	@ ATL	Spencer Strider (4-2)
Sat, May 16th	vs PHI	Cristopher Sanchez (17-5)	#5	@ ATL	Bryce Elder (8-8)
Sun, May 17th	vs PHI	Zack Wheeler (12-5)	#9	@ ATL	Grant Holmes (9-5)	#157
Tue, May 19th	@ STL	Matthew Liberatore (5-14)	#83	@ KC	Bailey Falter (0-2)	#252
Wed, May 20th	@ STL	Michael McGreevy (7-9)	#110	@ KC	Michael Wacha (9-8)	#70
Thu, May 21st	@ STL	Dustin May (7-9)	#51
Fri, May 22nd	@ TOR	Kevin Gausman (9-12)	#26	vs MIN	Connor Prielipp (5-7)	#77
Sat, May 23rd	@ TOR	Patrick Corbin (3-4)		vs MIN	Taj Bradley (11-6)	#40
Sun, May 24th	@ TOR	Dylan Cease (11-5)	#4	vs MIN	Bailey Ober (7-5)	#87
Mon, May 25th	vs CHC	Ben Brown (4-2)
Tue, May 26th	vs CHC	Jordan Wicks (0-2)	#287	vs ATL	Spencer Strider (4-2)
Wed, May 27th	vs CHC	Jameson Taillon (2-6)		vs ATL	Bryce Elder (8-8)
Thu, May 28th	vs CHC	Colin Rea (8-8)	#174	vs ATL	Chris Sale (14-9)	#2
Fri, May 29th	vs MIN	Taj Bradley (11-6)	#40	@ CLE	Slade Cecconi (4-7)	#206
Sat, May 30th	vs MIN	Bailey Ober (7-5)	#87	@ CLE	Parker Messick (11-9)	#35
Sun, May 31st	vs MIN	Zebby Matthews (9-10)	#85	@ CLE	Tanner Bibee (6-15)	#75
Tue, Jun 2nd	@ HOU	Mike Burrows (4-9)	#229	vs BAL	Shane Baz (6-15)	#69
Wed, Jun 3rd	@ HOU	Spencer Arrighetti (8-9)	#140	vs BAL	Chris Bassitt (7-5)	#143
Thu, Jun 4th	@ HOU	Kai-Wei Teng (5-7)	#309	vs BAL	Trevor Rogers (10-10)	#42
Fri, Jun 5th	@ ATL	Martin Perez (8-9)	#154	@ NYY	Ryan Weathers (5-8)	#187
Sat, Jun 6th	@ ATL	Spencer Strider (4-2)
Sun, Jun 7th	@ ATL	Bryce Elder (8-8)		@ NYY	Cam Schlittler (14-6)	#15
Tue, Jun 9th	vs LAD	Eric Lauer (8-7)	#314	@ TB	Nick Martinez (14-4)	#90
Wed, Jun 10th	vs LAD	Shohei Ohtani (8-2)	#16	@ TB	Drew Rasmussen (14-5)	#14
Thu, Jun 11th	vs LAD	Justin Wrobleski (11-5)	#164
Fri, Jun 12th	vs MIA	Sandy Alcantara (13-10)	#88	vs TEX	Jack Leiter (3-7)	#230
Sat, Jun 13th	vs MIA	Lake Bachar (1-3)	#181	vs TEX	Jacob deGrom (10-9)	#3
Sun, Jun 14th	vs MIA	Max Meyer (9-1)		vs TEX	Nathan Eovaldi (10-9)	#129
Mon, Jun 15th	@ ATH	J.T. Ginn (9-8)
Tue, Jun 16th	@ ATH	Jack Perkins (3-11)	#135	vs TOR	Dylan Cease (11-5)	#4
Wed, Jun 17th	@ ATH	Aaron Civale (6-7)	#205	vs TOR	Braydon Fisher (3-4)	#190
Fri, Jun 19th	@ COL	Kyle Freeland (4-10)	#392	@ SEA	Bryce Miller (4-9)	#44
Sat, Jun 20th	@ COL	Tomoyuki Sugano (12-9)	#402	@ SEA	Emerson Hancock (7-8)	#199
Sun, Jun 21st	@ COL	Michael Lorenzen (3-12)	#119	@ SEA	Logan Gilbert (12-9)	#13
Tue, Jun 23rd	vs SEA	George Kirby (9-11)	#28	@ COL	Sean Sullivan (0-3)	#323
Wed, Jun 24th	vs SEA	Bryan Woo (12-9)	#11	@ COL	Kyle Freeland (4-10)	#392
Thu, Jun 25th	vs SEA	Bryce Miller (4-9)	#44	vs NYY	Cam Schlittler (14-6)	#15
Fri, Jun 26th	vs CIN	Andrew Abbott (6-11)	#128	vs NYY	Will Warren (10-6)	#74
Sat, Jun 27th	vs CIN	Chase Burns (15-3)	#31	vs NYY	Gerrit Cole (8-9)	#24
Sun, Jun 28th	vs CIN	Brady Singer (6-14)	#155	vs NYY	Carlos Rodon (6-3)	#49
Mon, Jun 29th	@ PHI	Aaron Nola (6-10)	#50	vs WSH	Miles Mikolas (3-9)
Tue, Jun 30th	@ PHI	Cristopher Sanchez (17-5)	#5	vs WSH	Cade Cavalli (12-5)	#36
Wed, Jul 1st	@ PHI	Zack Wheeler (12-5)	#9	vs WSH	Brad Lord (5-2)	#210
Thu, Jul 2nd	@ PHI	Alan Rangel (0-3)	#283
Fri, Jul 3rd	@ WSH	Foster Griffin (15-5)	#57	@ LAA	Reid Detmers (5-8)	#22
Sat, Jul 4th	@ WSH	Carson Palmquist (0-2)	#305	@ LAA	Sam Aldegheri (3-4)	#387
Sun, Jul 5th	@ WSH	Cade Cavalli (12-5)	#36	@ LAA	Ryan Johnson (4-8)	#177
Tue, Jul 7th	vs ATL	Hurston Waldrep (0-1)		@ CWS	Noah Schultz (3-9)	#376
Wed, Jul 8th	vs ATL	Grant Holmes (9-5)	#157	@ CWS	Davis Martin (9-7)	#96
Thu, Jul 9th	vs ATL	Bryce Elder (8-8)		@ CWS	Anthony Kay (9-9)	#125
Sat, Jul 11th	vs MIL	Shane Drohan (7-5)	#79	@ NYM	Freddy Peralta (9-11)	#52
Sun, Jul 12th	vs MIL	Robert Gasser (4-5)	#93	@ NYM	Zac Thornton (4-5)	#123
Sat, Jul 18th	@ CLE	Logan Allen (0-0)	#268	vs TB	Ian Seymour (9-6)	#43
Sun, Jul 19th	@ CLE	Joey Cantillo (9-9)	#66	vs TB	Shane McClanahan (10-7)	#152
Mon, Jul 20th	@ NYY	Ryan Weathers (5-8)	#187	vs BAL	Shane Baz (6-15)	#69
Wed, Jul 22nd	@ NYY	Max Fried (4-4)	#17	vs BAL	Kyle Bradish (7-14)	#61
Fri, Jul 24th	vs CHC	Matthew Boyd (8-5)	#59	vs TOR	Trey Yesavage (5-5)	#243
Sat, Jul 25th	vs CHC	Shota Imanaga (10-10)	#30	vs TOR	Dylan Cease (11-5)	#4
Sun, Jul 26th	vs CHC	Jameson Taillon (2-6)		vs TOR	Kevin Gausman (9-12)	#26
Mon, Jul 27th	vs ARI	Merrill Kelly (9-13)	#131	@ ATH	Jack Perkins (3-11)	#135
Tue, Jul 28th	vs ARI	Brandon Pfaadt (7-3)	#115	@ ATH	Gage Jump (6-11)	#102
Wed, Jul 29th	vs ARI	Eduardo Rodriguez (15-6)	#114	@ ATH	Jacob Lopez (6-4)	#146
Thu, Jul 30th	@ CIN	Rhett Lowder (6-10)	#227	@ ATH	Mason Barnett (1-4)	#398
Fri, Jul 31st	@ CIN	Hunter Greene (2-2)		@ LAD	Edgardo Henriquez
Sat, Aug 1st	@ CIN	Andrew Abbott (6-11)	#128	@ LAD	Yoshinobu Yamamoto (13-8)	#8
Sun, Aug 2nd	@ CIN	Chase Burns (15-3)	#31	@ LAD	Emmet Sheehan (5-8)	#56
Mon, Aug 3rd	@ MIL	Brandon Sproat (3-7)	#220
Tue, Aug 4th	@ MIL	Logan Henderson (10-3)	#23	vs CWS	Davis Martin (9-7)	#96
Wed, Aug 5th	@ MIL	Kyle Harrison (10-4)	#62	vs CWS	Sean Burke (8-7)	#82
Thu, Aug 6th	@ MIL	Dustin May (7-9)	#51	vs CWS	Luis Castillo (4-11)	#97
Fri, Aug 7th	vs NYM	Zac Thornton (4-5)	#123	vs ATH	Jack Perkins (3-11)	#135
Sat, Aug 8th	vs NYM	Robert Stock (1-3)	#348	vs ATH	Gage Jump (6-11)	#102
Sun, Aug 9th	vs NYM	Sean Manaea (5-7)	#67	vs ATH	J.T. Ginn (9-8)
Tue, Aug 11th	@ MIA	Eury Perez (7-11)	#45	@ TOR	Dylan Cease (11-5)	#4
Wed, Aug 12th	@ MIA	Janson Junk (6-9)	#99	@ TOR	Jose Soriano (12-7)	#41
Thu, Aug 13th	@ MIA	Tyler Phillips (5-6)	#159	@ TOR	Max Scherzer (2-8)	#116
Fri, Aug 14th	vs BOS	Jake Bennett (9-7)	#72	@ PIT	Bubba Chandler (8-9)	#109
Sat, Aug 15th	vs BOS	Sonny Gray (17-5)	#37	@ PIT	Jared Jones (4-6)	#38
Sun, Aug 16th	vs BOS	Patrick Sandoval (1-5)	#111	@ PIT	Lake Bachar (1-3)	#181
Mon, Aug 17th	vs DET	Framber Valdez (10-10)	#46	vs ARI	Mitch Bratt (1-3)	#158
Tue, Aug 18th	vs DET	Keider Montero (9-8)	#134	vs ARI	Merrill Kelly (9-13)	#131
Wed, Aug 19th	vs DET	Jackson Jobe (2-2)	#148	vs ARI	Brandon Pfaadt (7-3)	#115
Fri, Aug 21st	@ LAD	Yoshinobu Yamamoto (13-8)	#8	vs SF	Logan Webb (8-9)	#20
Sat, Aug 22nd	@ LAD	Tarik Skubal (9-7)	#1	vs SF	Blade Tidwell (0-2)	#170
Sun, Aug 23rd	@ LAD	Blake Snell (4-1)	#10	vs SF	Matt Wilkinson (1-3)	#253
Mon, Aug 24th	@ SD	Robbie Ray (12-8)	#105	@ MIA	Sandy Alcantara (13-10)	#88
Tue, Aug 25th	@ SD	Michael King (11-9)	#60	@ MIA	Tyler Phillips (5-6)	#159
Wed, Aug 26th	@ SD	Randy Vasquez (10-6)	#163	@ MIA	Ryan Gusto (1-5)	#141
Fri, Aug 28th	@ STL	Quinn Mathews (1-3)	#136	@ NYY	Cam Schlittler (14-6)	#15
Sat, Aug 29th	@ STL	Kyle Leahy (10-4)	#71	@ NYY	Max Fried (4-4)	#17
Sun, Aug 30th	@ STL	Matthew Liberatore (5-14)	#83	@ NYY	Will Warren (10-6)	#74
Tue, Sep 1st	vs SF	Logan Webb (8-9)	#20	vs SEA	Bryan Woo (12-9)	#11
Wed, Sep 2nd	vs SF	Landen Roupp (9-13)	#100	vs SEA	Bryce Miller (4-9)	#44
Thu, Sep 3rd	vs SF	Blade Tidwell (0-2)	#170	@ BAL	Brandon Young (9-4)	#120
Fri, Sep 4th	vs LAA	Ryan Johnson (4-8)	#177	@ BAL	Shane Baz (6-15)	#69
Sat, Sep 5th	vs LAA	Yusei Kikuchi (1-5)	#68	@ BAL	Chris Bassitt (7-5)	#143
Sun, Sep 6th	vs LAA	Walbert Urena (9-10)	#150	@ BAL	Kyle Bradish (7-14)	#61
Tue, Sep 8th	@ CWS	Sean Burke (8-7)	#82	vs LAA	Reid Detmers (5-8)	#22
Wed, Sep 9th	@ CWS	Davis Martin (9-7)	#96	vs LAA	Ryan Johnson (4-8)	#177
Thu, Sep 10th	@ CWS	Hagen Smith (3-1)	#194
Fri, Sep 11th	@ CHC	Shota Imanaga (10-10)	#30	vs KC	Seth Lugo (7-8)	#139
Sat, Sep 12th	@ CHC	Clay Holmes (6-7)	#63	vs KC	Randy Dobnak (3-4)	#391
Sun, Sep 13th	@ CHC	Matthew Boyd (8-5)	#59	vs KC	Noah Cameron (9-8)	#65
Tue, Sep 15th	vs MIL	Jacob Misiorowski (14-5)	#7	@ TEX	Cody Bradford (0-5)	#104
Wed, Sep 16th	vs MIL	Logan Henderson (10-3)	#23	@ TEX	Jacob deGrom (10-9)	#3
Thu, Sep 17th	vs MIL	Dustin May (7-9)	#51	@ TEX	Kumar Rocker (5-11)	#117
Fri, Sep 18th	vs KC	Randy Dobnak (3-4)	#391	@ TB	Ian Seymour (9-6)	#43
Sat, Sep 19th	vs KC	Noah Cameron (9-8)	#65	@ TB	Freddy Peralta (9-11)	#52
Sun, Sep 20th	vs KC	Michael Wacha (9-8)	#70	@ TB	Griffin Jax (7-10)	#29
Tue, Sep 22nd	vs STL	Andre Pallante (12-6)	#92	vs CLE	Foster Griffin (15-5)	#57
Wed, Sep 23rd	vs STL	Matthew Liberatore (5-14)	#83	vs CLE	Parker Messick (11-9)	#35
Thu, Sep 24th	vs STL			vs CLE
Fri, Sep 25th	@ DET			vs CHC
Sat, Sep 26th	@ DET			vs CHC
Sun, Sep 27th	@ DET			vs CHC
Mon, Apr 20th				vs DET	Jack Flaherty (3-8)	#91
Mon, May 4th				@ DET	Tyler Holton (2-5)	#130
Mon, May 18th				@ KC	Seth Lugo (7-8)	#139
Mon, Jun 8th				@ TB	Ian Seymour (9-6)	#43
Thu, Jun 18th				vs TOR	Trey Yesavage (5-5)	#243
Mon, Jun 22nd				@ COL	Ryan Feltner (5-10)	#400
Fri, Jul 10th				@ NYM	Nolan McLean (11-9)	#33
Fri, Jul 17th				vs TB	Mason Englert (0-3)	#272
Mon, Aug 10th				@ TOR	Jameson Taillon (2-6)
Mon, Aug 31st				vs SEA	George Kirby (9-11)	#28
Mon, Sep 7th				vs LAA	Grayson Rodriguez (4-7)	#95