Isaac Mattson or Orion Kerkering

Baseball Stats Comparison

Stats
Projections
News & Notes
Schedule

Isaac Mattson or Orion Kerkering Player Statistics
	Orion Kerkering RP - PHI	Isaac Mattson RP - PIT
2026 Stats


Games Played	56	37

Games Started	0	0

Innings Pitched	51.2	36.2

Wins	7	0

Losses	1	0

Saves	1	0

Blown Saves	3	2

Holds	16	8

Hits Allowed	38	40

Earned Runs	20	20

Home Runs Allowed	3	3

Strikeouts	55	34

Walks	27	18

ERA	3.48	4.91

WHIP	1.26	1.58

Isaac Mattson or Orion Kerkering Player Projections
	Orion Kerkering RP - PHI	Isaac Mattson RP - PIT
2026 Projections


Games Played	58	57

Games Started	0	0

Innings Pitched	58.3	60.8

Wins	4	3

Losses	3	3

Saves	1	2

Blown Saves	1	1

Holds	13	14

Hits Allowed	50	55

Earned Runs	23	30

Home Runs Allowed	6	7

Strikeouts	63	59

Walks	21	28

ERA	3.56	4.44

WHIP	1.21	1.35

Isaac Mattson or Orion Kerkering Player Notes
	Orion Kerkering RP - PHI	Isaac Mattson RP - PIT
News
	The Phillies officially activated Orion Kerkering from the 15-day injured list. Ari Koslow Tue, Apr 7th	The Pirates optioned Isaac Mattson to Triple-A Indianapolis. Ari Koslow Tue, Aug 18th
	Kerkering pitched on back-to-back days for Triple-A Lehigh Valley during his rehab stint and made his final appearance Saturday, striking out two and allowing one hit in a scoreless inning against Triple-A Durham. He rejoined the Phillies in San Francisco on Monday. Bruno Mulé Tue, Apr 7th	The Pirates recalled RHP Isaac Mattson from Triple-A Indianapolis. Ari Koslow Thu, Aug 13th
	Orion Kerkering will pitch for Triple-A Lehigh Valley on Saturday. Ari Koslow Fri, Apr 3rd	The Pirates optioned RHP Isaac Mattson to Triple-A Indianapolis. Ari Koslow Sun, Aug 2nd
	The Phillies placed RHP Orion Kerkering on the 15-day injured list with a right hamstring strain. Ari Koslow Wed, Mar 25th	The Pirates recalled RHP Isaac Mattson from Triple-A Indianapolis. Ari Koslow Sat, Aug 1st
	Phillies reliever Orion Kerkering (hamstring) said he expects to pitch in a Grapefruit League game on Tuesday and is expecting to be ready to start the season on time. Brenton Kemp Sat, Mar 14th	The Pirates optioned RHP Isaac Mattson to Triple-A Indianapolis. Ari Koslow Wed, Jul 29th
Notes
There are no recent notes for these players

Isaac Mattson or Orion Kerkering Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	Orion Kerkering RP - PHI			Isaac Mattson RP - PIT
Thu, Mar 26th	vs TEX	Nathan Eovaldi (10-9)	#97	@ NYM	Freddy Peralta (6-11)	#51
Sat, Mar 28th	vs TEX	Jacob Latz (4-1)	#53	@ NYM	David Peterson (7-7)	#85
Sun, Mar 29th	vs TEX	MacKenzie Gore (7-10)	#37	@ NYM	Nolan McLean (9-8)	#34
Mon, Mar 30th	vs WSH	Foster Griffin (15-4)	#41	@ CIN	Chase Burns (14-3)	#20
Tue, Mar 31st	vs WSH	PJ Poulin (3-0)		@ CIN	Brandon Williamson (2-3)	#328
Wed, Apr 1st	vs WSH	Cade Cavalli (12-5)	#40	@ CIN	Andrew Abbott (6-9)	#103
Fri, Apr 3rd	@ COL	Michael Lorenzen (3-11)	#414	vs BAL	Kyle Bradish (7-12)	#55
Sat, Apr 4th	@ COL	Brennan Bernardino (3-3)	#252	vs BAL	Shane Baz (4-14)	#68
Sun, Apr 5th	@ COL	Tomoyuki Sugano (12-7)	#437	vs BAL	Chris Bassitt (5-4)	#139
Mon, Apr 6th	@ SF	Adrian Houser (4-7)	#217	vs SD	German Marquez (4-2)	#426
Tue, Apr 7th	@ SF	Robbie Ray (11-7)	#96	vs SD	Nick Pivetta (1-2)	#203
Wed, Apr 8th	@ SF	Tyler Mahle (5-10)	#78	vs SD	Michael King (8-9)	#57
Fri, Apr 10th	vs ARI	Michael Soroka (8-4)	#113	@ CHC	Shota Imanaga (8-9)	#24
Sat, Apr 11th	vs ARI	Brandon Pfaadt (7-1)	#76	@ CHC	Edward Cabrera (5-5)	#135
Sun, Apr 12th	vs ARI	Zac Gallen (3-9)	#199	@ CHC	Jameson Taillon (2-6)	#188
Mon, Apr 13th	vs CHC	Javier Assad (6-1)	#195	vs WSH	Cade Cavalli (12-5)	#40
Tue, Apr 14th	vs CHC	Riley Martin		vs WSH	PJ Poulin (3-0)
Wed, Apr 15th	vs CHC	Shota Imanaga (8-9)	#24	vs WSH	Jake Irvin (2-8)	#211
Thu, Apr 16th				vs WSH	Foster Griffin (15-4)	#41
Fri, Apr 17th	vs ATL	Martin Perez (8-8)	#230	vs TB	Nick Martinez (13-4)	#82
Sat, Apr 18th	vs ATL	Chris Sale (13-9)	#3	vs TB	Drew Rasmussen (14-5)	#15
Sun, Apr 19th	vs ATL	Grant Holmes (8-5)	#144	vs TB	Shane McClanahan (9-6)	#35
Tue, Apr 21st	@ CHC	Shota Imanaga (8-9)	#24	@ TEX	Kumar Rocker (5-10)	#124
Wed, Apr 22nd	@ CHC	Matthew Boyd (8-3)	#52	@ TEX	Jack Leiter (3-7)	#122
Thu, Apr 23rd	@ CHC	Edward Cabrera (5-5)	#135	@ TEX	Jacob deGrom (9-9)	#8
Fri, Apr 24th	@ ATL	Grant Holmes (8-5)	#144	@ MIL	Brandon Woodruff (2-2)
Sat, Apr 25th	@ ATL	Bryce Elder (8-7)	#128	@ MIL	Jacob Misiorowski (14-5)	#6
Sun, Apr 26th	@ ATL	Chris Sale (13-9)	#3	@ MIL	Kyle Harrison (10-3)	#38
Mon, Apr 27th				vs STL	Dustin May (6-8)	#49
Tue, Apr 28th	vs SF	Tyler Mahle (5-10)	#78	vs STL	Kyle Leahy (10-4)	#98
Wed, Apr 29th				vs STL	Andre Pallante (12-6)	#290
Thu, Apr 30th	vs SF	Adrian Houser (4-7)	#217	vs STL	Hunter Dobbins (3-3)	#207
Fri, May 1st	@ MIA	Eury Perez (7-9)	#36	vs CIN	Brady Singer (5-12)	#160
Sat, May 2nd	@ MIA	Max Meyer (9-1)		vs CIN	Rhett Lowder (5-8)	#243
Sun, May 3rd	@ MIA	Chris Paddack (0-7)		vs CIN	Chase Burns (14-3)	#20
Tue, May 5th	vs ATH	Luis Severino (2-6)		@ ARI	Eduardo Rodriguez (14-4)	#100
Wed, May 6th	vs ATH	Jeffrey Springs (3-12)	#382	@ ARI	Michael Soroka (8-4)	#113
Thu, May 7th	vs ATH	J.T. Ginn (9-8)	#179	@ ARI	Zac Gallen (3-9)	#199
Fri, May 8th	vs COL	Chase Dollander (3-3)		@ SF	Robbie Ray (11-7)	#96
Sat, May 9th	vs COL	Kyle Freeland (4-10)	#418	@ SF	Landen Roupp (8-13)	#71
Sun, May 10th	vs COL	Tomoyuki Sugano (12-7)	#437	@ SF	Tyler Mahle (5-10)	#78
Tue, May 12th	@ BOS	Jovani Moran (2-3)	#127	vs COL	Michael Lorenzen (3-11)	#414
Wed, May 13th	@ BOS	Sonny Gray (16-4)	#30	vs COL	Jose Quintana (2-3)	#434
Thu, May 14th	@ BOS	Ranger Suarez (5-3)	#29	vs COL	Chase Dollander (3-3)
Fri, May 15th	@ PIT	Braxton Ashcraft (13-5)	#28	vs PHI	Aaron Nola (5-10)	#54
Sat, May 16th	@ PIT	Bubba Chandler (6-9)	#129	vs PHI	Cristopher Sanchez (16-4)	#4
Sun, May 17th	@ PIT	Paul Skenes (9-11)	#7	vs PHI	Zack Wheeler (10-5)	#10
Tue, May 19th	vs CIN	Chase Burns (14-3)	#20	@ STL	Matthew Liberatore (5-12)	#77
Wed, May 20th	vs CIN	Andrew Abbott (6-9)	#103	@ STL	Michael McGreevy (5-9)	#89
Thu, May 21st				@ STL	Dustin May (6-8)	#49
Fri, May 22nd	vs CLE	Gavin Williams (12-7)	#19	@ TOR	Kevin Gausman (7-11)	#27
Sat, May 23rd	vs CLE	Slade Cecconi (4-7)	#149	@ TOR	Patrick Corbin (3-4)
Sun, May 24th	vs CLE	Parker Messick (10-8)	#33	@ TOR	Dylan Cease (8-5)	#9
Mon, May 25th	@ SD	Griffin Canning (4-9)	#178	vs CHC	Ben Brown (4-2)	#184
Tue, May 26th	@ SD	Randy Vasquez (10-6)	#281	vs CHC	Jordan Wicks (0-2)	#305
Wed, May 27th	@ SD	Walker Buehler (8-6)	#222	vs CHC	Jameson Taillon (2-6)	#188
Thu, May 28th				vs CHC	Colin Rea (8-8)	#182
Fri, May 29th	@ LAD	Justin Wrobleski (11-5)	#223	vs MIN	Taj Bradley (9-6)	#45
Sat, May 30th	@ LAD	Roki Sasaki (5-5)	#75	vs MIN	Bailey Ober (7-4)	#81
Sun, May 31st	@ LAD	Yoshinobu Yamamoto (12-8)	#5	vs MIN	Zebby Matthews (8-8)	#115
Tue, Jun 2nd	vs SD	Randy Vasquez (10-6)	#281	@ HOU	Mike Burrows (4-9)	#212
Wed, Jun 3rd	vs SD	Walker Buehler (8-6)	#222	@ HOU	Spencer Arrighetti (7-7)	#226
Thu, Jun 4th	vs SD	Lucas Giolito (2-3)	#318	@ HOU	Kai-Wei Teng (5-6)	#201
Fri, Jun 5th	vs CWS	Anthony Kay (9-6)	#191	@ ATL	Martin Perez (8-8)	#230
Sat, Jun 6th	vs CWS	Brandon Eisert (2-2)	#220	@ ATL	Spencer Strider (4-2)	#227
Sun, Jun 7th	vs CWS	Tyler Gilbert (0-0)	#292	@ ATL	Bryce Elder (8-7)	#128
Tue, Jun 9th	@ TOR	Dylan Cease (8-5)	#9	vs LAD	Eric Lauer (8-6)	#358
Wed, Jun 10th	@ TOR	Max Scherzer (1-7)	#154	vs LAD	Shohei Ohtani (8-2)	#1
Thu, Jun 11th				vs LAD	Justin Wrobleski (11-5)	#223
Fri, Jun 12th	@ MIL	Jacob Misiorowski (14-5)	#6	vs MIA	Sandy Alcantara (13-8)	#61
Sat, Jun 13th	@ MIL	Shane Drohan (6-5)	#133	vs MIA	Lake Bachar (1-3)	#166
Sun, Jun 14th	@ MIL	Kyle Harrison (10-3)	#38	vs MIA	Max Meyer (9-1)
Mon, Jun 15th	vs MIA	Ryan Gusto (1-3)	#156	@ ATH	J.T. Ginn (9-8)	#179
Tue, Jun 16th	vs MIA	Tyler Phillips (3-6)	#246	@ ATH	Jack Perkins (3-9)	#146
Wed, Jun 17th	vs MIA	Sandy Alcantara (13-8)	#61	@ ATH	Aaron Civale (6-7)	#216
Fri, Jun 19th				@ COL	Kyle Freeland (4-10)	#418
Sat, Jun 20th	vs NYM	Freddy Peralta (6-11)	#51	@ COL	Tomoyuki Sugano (12-7)	#437
Sun, Jun 21st	vs NYM	David Peterson (7-7)	#85	@ COL	Michael Lorenzen (3-11)	#414
Tue, Jun 23rd	@ WSH	PJ Poulin (3-0)		vs SEA	George Kirby (9-10)	#26
Wed, Jun 24th	@ WSH	Carson Palmquist (0-2)	#377	vs SEA	Bryan Woo (9-9)	#16
Thu, Jun 25th	@ WSH	Cade Cavalli (12-5)	#40	vs SEA	Bryce Miller (4-8)	#44
Fri, Jun 26th	@ NYM	Zac Thornton (3-4)	#161	vs CIN	Andrew Abbott (6-9)	#103
Sat, Jun 27th	@ NYM	Christian Scott (4-3)	#56	vs CIN	Chase Burns (14-3)	#20
Sun, Jun 28th	@ NYM	Cionel Perez		vs CIN	Brady Singer (5-12)	#160
Mon, Jun 29th	vs PIT	Braxton Ashcraft (13-5)	#28	@ PHI	Aaron Nola (5-10)	#54
Tue, Jun 30th	vs PIT	Bubba Chandler (6-9)	#129	@ PHI	Cristopher Sanchez (16-4)	#4
Wed, Jul 1st	vs PIT	Paul Skenes (9-11)	#7	@ PHI	Zack Wheeler (10-5)	#10
Thu, Jul 2nd	vs PIT	Jared Jones (2-5)	#47	@ PHI	Alan Rangel (0-3)	#346
Fri, Jul 3rd				@ WSH	Foster Griffin (15-4)	#41
Sat, Jul 4th	@ KC	Michael Wacha (7-8)	#69	@ WSH	Carson Palmquist (0-2)	#377
Sun, Jul 5th	@ KC	Luinder Avila (5-4)		@ WSH	Cade Cavalli (12-5)	#40
Tue, Jul 7th	@ CIN	Andrew Abbott (6-9)	#103	vs ATL	Hurston Waldrep (0-1)
Wed, Jul 8th	@ CIN	Chase Burns (14-3)	#20	vs ATL	Grant Holmes (8-5)	#144
Thu, Jul 9th	@ CIN	Brady Singer (5-12)	#160	vs ATL	Bryce Elder (8-7)	#128
Sat, Jul 11th	@ DET	Casey Mize (5-7)	#48	vs MIL	Shane Drohan (6-5)	#133
Sun, Jul 12th	@ DET	Tarik Skubal (8-7)	#2	vs MIL	Robert Gasser (4-5)	#106
Sat, Jul 18th	vs NYM	Sean Manaea (4-6)	#64	@ CLE	Logan Allen (0-0)	#165
Sun, Jul 19th	vs NYM	Nolan McLean (9-8)	#34	@ CLE	Joey Cantillo (9-7)	#62
Mon, Jul 20th	vs LAD	Emmet Sheehan (4-8)	#170	@ NYY	Ryan Weathers (5-8)	#229
Wed, Jul 22nd	vs LAD	Eric Lauer (8-6)	#358	@ NYY	Max Fried (4-4)	#22
Fri, Jul 24th	vs NYY	Cam Schlittler (11-6)	#13	vs CHC	Matthew Boyd (8-3)	#52
Sat, Jul 25th	vs NYY	Ryan Weathers (5-8)	#229	vs CHC	Shota Imanaga (8-9)	#24
Sun, Jul 26th	vs NYY	Will Warren (8-6)	#67	vs CHC	Jameson Taillon (2-6)	#188
Mon, Jul 27th	@ MIA	Tyler Phillips (3-6)	#246	vs ARI	Merrill Kelly (8-12)	#132
Tue, Jul 28th	@ MIA	Sandy Alcantara (13-8)	#61	vs ARI	Brandon Pfaadt (7-1)	#76
Wed, Jul 29th	@ MIA	Ryan Gusto (1-3)	#156	vs ARI	Eduardo Rodriguez (14-4)	#100
Thu, Jul 30th				@ CIN	Rhett Lowder (5-8)	#243
Fri, Jul 31st	@ BAL	Brandon Young (9-3)	#172	@ CIN	Hunter Greene (2-2)
Sat, Aug 1st	@ BAL	Shane Baz (4-14)	#68	@ CIN	Andrew Abbott (6-9)	#103
Sun, Aug 2nd	@ BAL	Kyle Bradish (7-12)	#55	@ CIN	Chase Burns (14-3)	#20
Mon, Aug 3rd	vs WSH	Andrew Alvarez (2-6)	#143	@ MIL	Brandon Sproat (3-7)	#186
Tue, Aug 4th	vs WSH	Carson Palmquist (0-2)	#377	@ MIL	Logan Henderson (8-2)	#31
Wed, Aug 5th	vs WSH	Jake Irvin (2-8)	#211	@ MIL	Kyle Harrison (10-3)	#38
Thu, Aug 6th	vs WSH	Miles Mikolas (3-9)		@ MIL	Dustin May (6-8)	#49
Fri, Aug 7th	vs TOR	Jose Soriano (10-7)	#42	vs NYM	Zac Thornton (3-4)	#161
Sat, Aug 8th	vs TOR	Max Scherzer (1-7)	#154	vs NYM	Robert Stock (0-3)	#231
Sun, Aug 9th	vs TOR	Shane Bieber (5-2)	#147	vs NYM	Sean Manaea (4-6)	#64
Tue, Aug 11th	@ STL	Andre Pallante (12-6)	#290	@ MIA	Eury Perez (7-9)	#36
Wed, Aug 12th	@ STL	Kyle Leahy (10-4)	#98	@ MIA	Janson Junk (6-8)	#117
Thu, Aug 13th	@ MIN	Taj Bradley (9-6)	#45	@ MIA	Tyler Phillips (3-6)	#246
Fri, Aug 14th				vs BOS	Jake Bennett (8-6)	#74
Sat, Aug 15th	@ MIN	Connor Prielipp (3-7)	#94	vs BOS	Sonny Gray (16-4)	#30
Sun, Aug 16th	@ MIN	Dean Kremer (2-4)	#80	vs BOS	Patrick Sandoval (1-2)	#121
Mon, Aug 17th	vs MIA	Janson Junk (6-8)	#117	vs DET	Framber Valdez (8-9)	#46
Tue, Aug 18th	vs MIA	Cade Gibson		vs DET	Keider Montero (9-8)	#174
Wed, Aug 19th	vs MIA	Sandy Alcantara (13-8)	#61	vs DET	Jackson Jobe (1-1)	#218
Fri, Aug 21st	vs STL	Hunter Dobbins (3-3)	#207	@ LAD	Yoshinobu Yamamoto (12-8)	#5
Sat, Aug 22nd	vs STL	Quinn Mathews (0-2)	#210	@ LAD	Tarik Skubal (8-7)	#2
Sun, Aug 23rd	vs STL	Kyle Leahy (10-4)	#98	@ LAD	Blake Snell (2-1)	#14
Mon, Aug 24th	@ SEA	Logan Gilbert (11-7)	#12	@ SD	Robbie Ray (11-7)	#96
Tue, Aug 25th	@ SEA	George Kirby (9-10)	#26	@ SD	Michael King (8-9)	#57
Wed, Aug 26th	@ SEA	Bryan Woo (9-9)	#16	@ SD	Randy Vasquez (10-6)	#281
Fri, Aug 28th	@ LAA	Reid Detmers (4-8)	#32	@ STL	Quinn Mathews (0-2)	#210
Sat, Aug 29th	@ LAA	Ryan Johnson (3-7)	#221	@ STL	Kyle Leahy (10-4)	#98
Sun, Aug 30th	@ LAA	Yusei Kikuchi (0-4)	#111	@ STL	Matthew Liberatore (5-12)	#77
Tue, Sep 1st	@ ARI	Eduardo Rodriguez (14-4)	#100	vs SF	Logan Webb (8-8)	#21
Wed, Sep 2nd	@ ARI	Kohl Drake (0-1)	#387	vs SF	Landen Roupp (8-13)	#71
Thu, Sep 3rd				vs SF	Blade Tidwell (0-0)	#171
Fri, Sep 4th	vs ATL	Grant Holmes (8-5)	#144	vs LAA	Reid Detmers (4-8)	#32
Sat, Sep 5th	vs ATL	Martin Perez (8-8)	#230	vs LAA
Sun, Sep 6th	vs ATL			vs LAA
Tue, Sep 8th	vs HOU			@ CWS
Wed, Sep 9th	vs HOU			@ CWS
Thu, Sep 10th	vs HOU			@ CWS
Fri, Sep 11th	@ ATL			@ CHC
Sat, Sep 12th	@ ATL			@ CHC
Sun, Sep 13th	@ ATL			@ CHC
Tue, Sep 15th	@ WSH			vs MIL
Wed, Sep 16th	@ WSH			vs MIL
Thu, Sep 17th	@ NYM			vs MIL
Fri, Sep 18th	@ NYM			vs KC
Sat, Sep 19th	@ NYM			vs KC
Sun, Sep 20th	@ NYM			vs KC
Tue, Sep 22nd	vs MIL			vs STL
Wed, Sep 23rd	vs MIL			vs STL
Thu, Sep 24th	vs MIL			vs STL
Fri, Sep 25th	vs TB			@ DET
Sat, Sep 26th	vs TB			@ DET
Sun, Sep 27th	vs TB			@ DET
Mon, Apr 20th	@ CHC	Colin Rea (8-8)	#182
Mon, May 4th	@ MIA	Janson Junk (6-8)	#117
Mon, May 18th	vs CIN	Nick Lodolo (3-3)	#118
Mon, Jun 8th	@ TOR	Patrick Corbin (3-4)
Thu, Jun 18th	vs NYM	Sean Manaea (4-6)	#64
Mon, Jun 22nd	@ WSH	Foster Griffin (15-4)	#41
Mon, Jul 6th	@ KC	Noah Cameron (9-8)	#70
Fri, Jul 10th	@ DET	Jack Flaherty (3-8)	#108
Thu, Jul 16th	vs NYM	Christian Scott (4-3)	#56
Tue, Jul 21st	vs LAD	Justin Wrobleski (11-5)	#223
Mon, Aug 10th	@ STL	Hunter Dobbins (3-3)	#207
Mon, Aug 31st	@ ARI	Brandon Pfaadt (7-1)	#76
Mon, Sep 7th	vs ATL