Garrett Whitlock or Isaac Mattson

Baseball Stats Comparison

Stats
Projections
News & Notes
Schedule

Garrett Whitlock or Isaac Mattson Player Statistics
	Garrett Whitlock RP - BOS	Isaac Mattson RP - PIT
2026 Stats


Games Played	46	37

Games Started	0	0

Innings Pitched	45.0	36.2

Wins	6	0

Losses	1	0

Saves	2	0

Blown Saves	3	2

Holds	22	8

Hits Allowed	32	40

Earned Runs	10	20

Home Runs Allowed	3	3

Strikeouts	50	34

Walks	7	18

ERA	2.00	4.91

WHIP	0.87	1.58

Garrett Whitlock or Isaac Mattson Player Projections
	Garrett Whitlock RP - BOS	Isaac Mattson RP - PIT
2026 Projections


Games Played	61	57

Games Started	0	0

Innings Pitched	67.2	60.8

Wins	4	3

Losses	3	3

Saves	3	2

Blown Saves	1	1

Holds	19	14

Hits Allowed	58	55

Earned Runs	25	30

Home Runs Allowed	6	7

Strikeouts	74	59

Walks	19	28

ERA	3.40	4.44

WHIP	1.15	1.35

Garrett Whitlock or Isaac Mattson Player Notes
	Garrett Whitlock RP - BOS	Isaac Mattson RP - PIT
News
	The Red Sox activated RHP Garrett Whitlock from the 15-day injured list. Ari Koslow Sun, Aug 30th	The Pirates optioned Isaac Mattson to Triple-A Indianapolis. Ari Koslow Tue, Aug 18th
	Garrett Whitlock has started a throwing progression. Ari Koslow Sat, Aug 22nd	The Pirates recalled RHP Isaac Mattson from Triple-A Indianapolis. Ari Koslow Thu, Aug 13th
	Garrett Whitlock resumed throwing on Wednesday. Ari Koslow Fri, Aug 21st	The Pirates optioned RHP Isaac Mattson to Triple-A Indianapolis. Ari Koslow Sun, Aug 2nd
	Garrett Whitlock had an MRI returned that showed no structural damage. Ari Koslow Tue, Aug 18th	The Pirates recalled RHP Isaac Mattson from Triple-A Indianapolis. Ari Koslow Sat, Aug 1st
	Red Sox interim manager Chad Tracy said Garrett Whitlock underwent an MRI on Monday. Ari Koslow Mon, Aug 17th	The Pirates optioned RHP Isaac Mattson to Triple-A Indianapolis. Ari Koslow Wed, Jul 29th
Notes
There are no recent notes for these players

Garrett Whitlock or Isaac Mattson Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	Garrett Whitlock RP - BOS			Isaac Mattson RP - PIT
Thu, Mar 26th	@ CIN	Andrew Abbott (6-10)	#138	@ NYM	Freddy Peralta (7-11)	#45
Sat, Mar 28th	@ CIN	Brady Singer (5-13)	#176	@ NYM	David Peterson (7-7)	#108
Sun, Mar 29th	@ CIN	Rhett Lowder (6-8)	#173	@ NYM	Nolan McLean (10-8)	#36
Mon, Mar 30th	@ HOU	Lance McCullers Jr. (2-3)		@ CIN	Chase Burns (15-3)	#24
Tue, Mar 31st	@ HOU	Hunter Brown (4-3)	#25	@ CIN	Brandon Williamson (2-3)	#217
Wed, Apr 1st	@ HOU	Mike Burrows (4-9)	#145	@ CIN	Andrew Abbott (6-10)	#138
Fri, Apr 3rd	vs SD	Michael King (9-9)	#56	vs BAL	Kyle Bradish (7-12)	#57
Sat, Apr 4th	vs SD	Randy Vasquez (10-6)	#182	vs BAL	Shane Baz (5-14)	#71
Sun, Apr 5th	vs SD	Walker Buehler (8-6)	#170	vs BAL	Chris Bassitt (6-4)	#156
Mon, Apr 6th	vs MIL	Brandon Woodruff (2-2)		vs SD	German Marquez (4-2)	#368
Tue, Apr 7th	vs MIL	Jacob Misiorowski (14-5)	#7	vs SD	Nick Pivetta (1-2)	#196
Wed, Apr 8th	vs MIL	Shane Drohan (7-5)	#106	vs SD	Michael King (9-9)	#56
Fri, Apr 10th	@ STL	Dustin May (6-9)	#60	@ CHC	Shota Imanaga (8-10)	#28
Sat, Apr 11th	@ STL	Kyle Leahy (10-4)	#104	@ CHC	Edward Cabrera (5-5)	#116
Sun, Apr 12th	@ STL	Andre Pallante (12-6)	#227	@ CHC	Jameson Taillon (2-6)	#153
Mon, Apr 13th	@ MIN	Bailey Ober (7-4)	#100	vs WSH	Cade Cavalli (12-5)	#43
Tue, Apr 14th	@ MIN	Mick Abel (1-2)		vs WSH	PJ Poulin (3-0)
Wed, Apr 15th	@ MIN	Simeon Woods Richardson (2-7)	#316	vs WSH	Jake Irvin (2-8)	#155
Fri, Apr 17th	vs DET	Casey Mize (5-8)	#47	vs TB	Nick Martinez (13-4)	#89
Sat, Apr 18th	vs DET	Tarik Skubal (8-7)	#2	vs TB	Drew Rasmussen (14-5)	#16
Sun, Apr 19th	vs DET	Framber Valdez (8-10)	#48	vs TB	Shane McClanahan (10-6)	#38
Mon, Apr 20th	vs DET	Jack Flaherty (3-8)	#87
Tue, Apr 21st	vs NYY	Luis Gil (1-2)	#384	@ TEX	Kumar Rocker (5-10)	#114
Wed, Apr 22nd	vs NYY	Max Fried (4-4)	#17	@ TEX	Jack Leiter (3-7)	#197
Thu, Apr 23rd	vs NYY	Cam Schlittler (12-6)	#15	@ TEX	Jacob deGrom (10-9)	#8
Fri, Apr 24th	@ BAL	Brandon Young (9-3)	#142	@ MIL	Brandon Woodruff (2-2)
Sat, Apr 25th	@ BAL	Trevor Rogers (9-9)	#58	@ MIL	Jacob Misiorowski (14-5)	#7
Sun, Apr 26th	@ BAL	Kyle Bradish (7-12)	#57	@ MIL	Kyle Harrison (10-4)	#50
Mon, Apr 27th	@ TOR	Dylan Cease (9-5)	#10	vs STL	Dustin May (6-9)	#60
Tue, Apr 28th	@ TOR	Trey Yesavage (5-5)	#211	vs STL	Kyle Leahy (10-4)	#104
Wed, Apr 29th	@ TOR	Eric Lauer (8-7)	#189	vs STL	Andre Pallante (12-6)	#227
Fri, May 1st	vs HOU	Mike Burrows (4-9)	#145	vs CIN	Brady Singer (5-13)	#176
Sat, May 2nd	vs HOU	Spencer Arrighetti (7-8)	#168	vs CIN	Rhett Lowder (6-8)	#173
Sun, May 3rd	vs HOU	Cody Bolton (0-1)	#374	vs CIN	Chase Burns (15-3)	#24
Mon, May 4th	@ DET	Tyler Holton (1-5)	#85
Tue, May 5th	@ DET	Framber Valdez (8-10)	#48	@ ARI	Eduardo Rodriguez (14-5)	#129
Wed, May 6th	@ DET	Jack Flaherty (3-8)	#87	@ ARI	Michael Soroka (8-4)	#88
Thu, May 7th	vs TB	Griffin Jax (6-9)	#68	@ ARI	Zac Gallen (3-9)	#146
Fri, May 8th	vs TB	Jesse Scholtens (5-3)	#249	@ SF	Robbie Ray (11-7)	#119
Sun, May 10th	vs TB	Nick Martinez (13-4)	#89	@ SF	Tyler Mahle (5-10)	#79
Tue, May 12th	vs PHI	Zack Wheeler (11-5)	#12	vs COL	Michael Lorenzen (3-11)	#164
Wed, May 13th	vs PHI	Andrew Painter (3-8)	#172	vs COL	Jose Quintana (2-3)	#429
Thu, May 14th	vs PHI	Jesus Luzardo (13-5)	#4	vs COL	Chase Dollander (3-3)
Fri, May 15th	@ ATL	Spencer Strider (4-2)	#301	vs PHI	Aaron Nola (6-10)	#55
Sat, May 16th	@ ATL	Bryce Elder (8-8)	#158	vs PHI	Cristopher Sanchez (16-4)	#3
Sun, May 17th	@ ATL	Grant Holmes (9-5)	#161	vs PHI	Zack Wheeler (11-5)	#12
Mon, May 18th	@ KC	Seth Lugo (6-8)	#143
Tue, May 19th	@ KC	Bailey Falter (0-2)		@ STL	Matthew Liberatore (5-13)	#92
Wed, May 20th	@ KC	Michael Wacha (8-8)	#81	@ STL	Michael McGreevy (6-9)	#111
Fri, May 22nd	vs MIN	Connor Prielipp (4-7)	#66	@ TOR	Kevin Gausman (8-11)	#22
Sat, May 23rd	vs MIN	Taj Bradley (10-6)	#46	@ TOR	Patrick Corbin (3-4)
Sun, May 24th	vs MIN	Bailey Ober (7-4)	#100	@ TOR	Dylan Cease (9-5)	#10
Tue, May 26th	vs ATL	Spencer Strider (4-2)	#301	vs CHC	Jordan Wicks (0-2)	#309
Wed, May 27th	vs ATL	Bryce Elder (8-8)	#158	vs CHC	Jameson Taillon (2-6)	#153
Thu, May 28th	vs ATL	Chris Sale (13-9)	#5	vs CHC	Colin Rea (8-8)	#247
Fri, May 29th	@ CLE	Slade Cecconi (4-7)	#201	vs MIN	Taj Bradley (10-6)	#46
Sat, May 30th	@ CLE	Parker Messick (11-8)	#33	vs MIN	Bailey Ober (7-4)	#100
Sun, May 31st	@ CLE	Tanner Bibee (5-14)	#61	vs MIN	Zebby Matthews (9-8)	#101
Tue, Jun 2nd	vs BAL	Shane Baz (5-14)	#71	@ HOU	Mike Burrows (4-9)	#145
Wed, Jun 3rd	vs BAL	Chris Bassitt (6-4)	#156	@ HOU	Spencer Arrighetti (7-8)	#168
Thu, Jun 4th	vs BAL	Trevor Rogers (9-9)	#58	@ HOU	Kai-Wei Teng (5-7)	#165
Fri, Jun 5th	@ NYY	Ryan Weathers (5-8)	#209	@ ATL	Martin Perez (8-8)	#177
Sun, Jun 7th	@ NYY	Cam Schlittler (12-6)	#15	@ ATL	Bryce Elder (8-8)	#158
Mon, Jun 8th	@ TB	Ian Seymour (9-6)	#54
Tue, Jun 9th	@ TB	Nick Martinez (13-4)	#89	vs LAD	Eric Lauer (8-7)	#189
Wed, Jun 10th	@ TB	Drew Rasmussen (14-5)	#16	vs LAD	Shohei Ohtani (8-2)	#1
Fri, Jun 12th	vs TEX	Jack Leiter (3-7)	#197	vs MIA	Sandy Alcantara (13-8)	#63
Sat, Jun 13th	vs TEX	Jacob deGrom (10-9)	#8	vs MIA	Lake Bachar (1-3)	#271
Sun, Jun 14th	vs TEX	Nathan Eovaldi (10-9)	#74	vs MIA	Max Meyer (9-1)
Tue, Jun 16th	vs TOR	Dylan Cease (9-5)	#10	@ ATH	Jack Perkins (3-10)	#124
Wed, Jun 17th	vs TOR	Braydon Fisher (3-4)	#128	@ ATH	Aaron Civale (6-7)	#192
Thu, Jun 18th	vs TOR	Trey Yesavage (5-5)	#211
Fri, Jun 19th	@ SEA	Bryce Miller (4-8)	#44	@ COL	Kyle Freeland (4-10)	#409
Sat, Jun 20th	@ SEA	Emerson Hancock (7-8)	#130	@ COL	Tomoyuki Sugano (12-8)	#430
Sun, Jun 21st	@ SEA	Logan Gilbert (11-8)	#11	@ COL	Michael Lorenzen (3-11)	#164
Mon, Jun 22nd	@ COL	Ryan Feltner (5-9)	#427
Tue, Jun 23rd	@ COL	Sean Sullivan (0-3)	#422	vs SEA	George Kirby (9-10)	#23
Wed, Jun 24th	@ COL	Kyle Freeland (4-10)	#409	vs SEA	Bryan Woo (10-9)	#13
Thu, Jun 25th	vs NYY	Cam Schlittler (12-6)	#15	vs SEA	Bryce Miller (4-8)	#44
Fri, Jun 26th	vs NYY	Will Warren (9-6)	#73	vs CIN	Andrew Abbott (6-10)	#138
Sat, Jun 27th	vs NYY	Gerrit Cole (8-7)	#19	vs CIN	Chase Burns (15-3)	#24
Sun, Jun 28th	vs NYY	Carlos Rodon (4-3)	#49	vs CIN	Brady Singer (5-13)	#176
Mon, Jun 29th	vs WSH	Miles Mikolas (3-9)		@ PHI	Aaron Nola (6-10)	#55
Tue, Jun 30th	vs WSH	Cade Cavalli (12-5)	#43	@ PHI	Cristopher Sanchez (16-4)	#3
Wed, Jul 1st	vs WSH	Brad Lord (5-2)	#137	@ PHI	Zack Wheeler (11-5)	#12
Fri, Jul 3rd	@ LAA	Reid Detmers (4-8)	#31	@ WSH	Foster Griffin (15-4)	#40
Sat, Jul 4th	@ LAA	Sam Aldegheri (3-4)	#404	@ WSH	Carson Palmquist (0-2)	#400
Sun, Jul 5th	@ LAA	Ryan Johnson (3-7)	#185	@ WSH	Cade Cavalli (12-5)	#43
Tue, Jul 7th	@ CWS	Noah Schultz (3-9)	#347	vs ATL	Hurston Waldrep (0-1)
Wed, Jul 8th	@ CWS	Davis Martin (9-6)	#109	vs ATL	Grant Holmes (9-5)	#161
Thu, Jul 9th	@ CWS	Anthony Kay (9-7)	#152	vs ATL	Bryce Elder (8-8)	#158
Fri, Jul 10th	@ NYM	Nolan McLean (10-8)	#36
Sat, Jul 11th	@ NYM	Freddy Peralta (7-11)	#45	vs MIL	Shane Drohan (7-5)	#106
Sun, Jul 12th	@ NYM	Zac Thornton (3-4)	#127	vs MIL	Robert Gasser (4-5)	#93
Fri, Jul 17th	vs TB	Mason Englert (0-3)	#233
Sat, Jul 18th	vs TB	Ian Seymour (9-6)	#54	@ CLE	Logan Allen (0-0)	#210
Sun, Jul 19th	vs TB	Shane McClanahan (10-6)	#38	@ CLE	Joey Cantillo (9-7)	#75
Mon, Jul 20th	vs BAL	Shane Baz (5-14)	#71	@ NYY	Ryan Weathers (5-8)	#209
Wed, Jul 22nd	vs BAL	Kyle Bradish (7-12)	#57	@ NYY	Max Fried (4-4)	#17
Fri, Jul 24th	vs TOR	Trey Yesavage (5-5)	#211	vs CHC	Matthew Boyd (8-3)	#53
Sat, Jul 25th	vs TOR	Dylan Cease (9-5)	#10	vs CHC	Shota Imanaga (8-10)	#28
Sun, Jul 26th	vs TOR	Kevin Gausman (8-11)	#22	vs CHC	Jameson Taillon (2-6)	#153
Mon, Jul 27th	@ ATH	Jack Perkins (3-10)	#124	vs ARI	Merrill Kelly (9-12)	#162
Tue, Jul 28th	@ ATH	Gage Jump (6-9)	#97	vs ARI	Brandon Pfaadt (7-2)	#102
Wed, Jul 29th	@ ATH	Jacob Lopez (5-4)	#136	vs ARI	Eduardo Rodriguez (14-5)	#129
Thu, Jul 30th	@ ATH	Mason Barnett (1-4)	#424	@ CIN	Rhett Lowder (6-8)	#173
Fri, Jul 31st	@ LAD	Edgardo Henriquez		@ CIN	Hunter Greene (2-2)
Sat, Aug 1st	@ LAD	Yoshinobu Yamamoto (12-8)	#9	@ CIN	Andrew Abbott (6-10)	#138
Sun, Aug 2nd	@ LAD	Emmet Sheehan (4-8)	#180	@ CIN	Chase Burns (15-3)	#24
Tue, Aug 4th	vs CWS	Davis Martin (9-6)	#109	@ MIL	Logan Henderson (9-2)	#29
Wed, Aug 5th	vs CWS	Sean Burke (8-6)	#62	@ MIL	Kyle Harrison (10-4)	#50
Thu, Aug 6th	vs CWS	Luis Castillo (4-10)	#105	@ MIL	Dustin May (6-9)	#60
Fri, Aug 7th	vs ATH	Jack Perkins (3-10)	#124	vs NYM	Zac Thornton (3-4)	#127
Sat, Aug 8th	vs ATH	Gage Jump (6-9)	#97	vs NYM	Robert Stock (1-3)	#167
Sun, Aug 9th	vs ATH	J.T. Ginn (9-8)	#154	vs NYM	Sean Manaea (4-7)	#64
Mon, Aug 10th	@ TOR	Jameson Taillon (2-6)	#153
Tue, Aug 11th	@ TOR	Dylan Cease (9-5)	#10	@ MIA	Eury Perez (7-10)	#35
Wed, Aug 12th	@ TOR	Jose Soriano (11-7)	#42	@ MIA	Janson Junk (6-8)	#110
Thu, Aug 13th	@ TOR	Max Scherzer (2-7)	#140	@ MIA	Tyler Phillips (4-6)	#184
Fri, Aug 14th	@ PIT	Bubba Chandler (6-9)	#123	vs BOS	Jake Bennett (9-6)	#69
Sat, Aug 15th	@ PIT	Jared Jones (2-6)	#52	vs BOS	Sonny Gray (16-4)	#34
Sun, Aug 16th	@ PIT	Lake Bachar (1-3)	#271	vs BOS	Patrick Sandoval (1-3)	#113
Mon, Aug 17th	vs ARI	Mitch Bratt (1-3)	#254	vs DET	Framber Valdez (8-10)	#48
Tue, Aug 18th	vs ARI	Merrill Kelly (9-12)	#162	vs DET	Keider Montero (9-8)	#135
Wed, Aug 19th	vs ARI	Brandon Pfaadt (7-2)	#102	vs DET	Jackson Jobe (1-2)	#174
Fri, Aug 21st	vs SF	Logan Webb (8-8)	#21	@ LAD	Yoshinobu Yamamoto (12-8)	#9
Sat, Aug 22nd	vs SF	Blade Tidwell (0-1)	#163	@ LAD	Tarik Skubal (8-7)	#2
Sun, Aug 23rd	vs SF	Matt Wilkinson (0-2)	#262	@ LAD	Blake Snell (2-1)	#14
Mon, Aug 24th	@ MIA	Sandy Alcantara (13-8)	#63	@ SD	Robbie Ray (11-7)	#119
Tue, Aug 25th	@ MIA	Tyler Phillips (4-6)	#184	@ SD	Michael King (9-9)	#56
Wed, Aug 26th	@ MIA	Ryan Gusto (1-3)	#149	@ SD	Randy Vasquez (10-6)	#182
Fri, Aug 28th	@ NYY	Cam Schlittler (12-6)	#15	@ STL	Quinn Mathews (1-2)	#150
Sat, Aug 29th	@ NYY	Max Fried (4-4)	#17	@ STL	Kyle Leahy (10-4)	#104
Sun, Aug 30th	@ NYY	Will Warren (9-6)	#73	@ STL	Matthew Liberatore (5-13)	#92
Mon, Aug 31st	vs SEA	George Kirby (9-10)	#23
Tue, Sep 1st	vs SEA	Bryan Woo (10-9)	#13	vs SF	Logan Webb (8-8)	#21
Wed, Sep 2nd	vs SEA	Bryce Miller (4-8)	#44	vs SF	Landen Roupp (8-13)	#98
Thu, Sep 3rd	@ BAL	Brandon Young (9-3)	#142	vs SF	Blade Tidwell (0-1)	#163
Fri, Sep 4th	@ BAL	Shane Baz (5-14)	#71	vs LAA	Ryan Johnson (3-7)	#185
Sat, Sep 5th	@ BAL	Chris Bassitt (6-4)	#156	vs LAA	Yusei Kikuchi (0-5)	#80
Sun, Sep 6th	@ BAL	Kyle Bradish (7-12)	#57	vs LAA	Walbert Urena (9-9)	#188
Mon, Sep 7th	vs LAA	Grayson Rodriguez (4-6)	#99
Tue, Sep 8th	vs LAA	Reid Detmers (4-8)	#31	@ CWS	Davis Martin (9-6)	#109
Wed, Sep 9th	vs LAA			@ CWS	Luis Castillo (4-10)	#105
Fri, Sep 11th	vs KC	Seth Lugo (6-8)	#143	@ CHC	Clay Holmes (6-6)	#72
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 (15-4)	#40
Thu, Apr 30th				vs STL	Hunter Dobbins (3-3)	#159
Sat, May 9th				@ SF	Landen Roupp (8-13)	#98
Thu, May 21st				@ STL	Dustin May (6-9)	#60
Mon, May 25th				vs CHC	Ben Brown (4-2)	#207
Sat, Jun 6th				@ ATL	Spencer Strider (4-2)	#301
Thu, Jun 11th				vs LAD	Justin Wrobleski (11-5)	#112
Mon, Jun 15th				@ ATH	J.T. Ginn (9-8)	#154
Thu, Jul 2nd				@ PHI	Alan Rangel (0-3)	#343
Mon, Aug 3rd				@ MIL	Brandon Sproat (3-7)	#286
Thu, Sep 10th				@ CWS	Erick Fedde (7-8)	#421