Ryan Rolison or William Kempner

Baseball Stats Comparison

Stats
Projections
News & Notes
Schedule

Ryan Rolison or William Kempner Player Statistics
	William Kempner RP - MIA	Ryan Rolison RP - CHC
2026 Stats


Games Played	9	47

Games Started	0	2

Innings Pitched	12.1	51.0

Wins	1	7

Losses	0	1

Saves	0	1

Blown Saves	0	2

Holds	0	7

Hits Allowed	8	41

Earned Runs	4	16

Home Runs Allowed	1	5

Strikeouts	14	48

Walks	4	23

ERA	2.92	2.82

WHIP	0.97	1.25

Ryan Rolison or William Kempner Player Projections
	William Kempner RP - MIA	Ryan Rolison RP - CHC
2026 Projections


Games Played	21	28

Games Started	0	0

Innings Pitched	21.5	32.6

Wins	1	1

Losses	2	1

Saves	0	0

Blown Saves	0	0

Holds	1	1

Hits Allowed	20	35

Earned Runs	11	20

Home Runs Allowed	3	5

Strikeouts	21	24

Walks	12	13

ERA	4.71	5.53

WHIP	1.48	1.47

Ryan Rolison or William Kempner Player Notes
	William Kempner RP - MIA	Ryan Rolison RP - CHC
News
	The Marlins transferred William Kempner to the 60-day injured list. Ari Koslow Fri, Aug 21st	Ryan Rolison will start for the Cubs on Sunday against the Brewers. Ari Koslow Sun, Jun 28th
	William Kempner was scheduled to undergo surgery on Wednesday. Ari Koslow Thu, Aug 20th	Ryan Rolison served as an opener for the first time this season on Sunday and retired all four batters he faced in the Cubs' 5-1 loss to the Giants. David Leisering Sun, Jun 14th
	William Kempner is scheduled to undergo elbow surgery. Ari Koslow Wed, Aug 12th	Ryan Rolison retired one batter in the tenth before allowing a walk-off two-run home run to Edgar Quero as the White Sox defeated the Cubs, 9-8, on Sunday. David Leisering Sun, May 17th
	The Marlins say William Kempner will be re-evaluated next week. Ari Koslow Fri, Aug 7th	The Cubs recalled Ryan Rolison from Triple-A. Ari Koslow Tue, Apr 14th
	William Kempner remains shut down from throwing. Ari Koslow Fri, Jul 17th	The Cubs optioned LHP Ryan Rolison to Triple-A Iowa. Ari Koslow Thu, Mar 12th
Notes
There are no recent notes for these players

Ryan Rolison or William Kempner Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	William Kempner RP - MIA			Ryan Rolison RP - CHC
Thu, Mar 26th				vs WSH	Cade Cavalli (11-5)	#44
Sat, Mar 28th	vs COL	Michael Lorenzen (3-11)	#412	vs WSH	Miles Mikolas (3-9)
Sun, Mar 29th	vs COL	Jose Quintana (2-3)	#437	vs WSH	Jake Irvin (2-8)	#207
Mon, Mar 30th	vs CWS	Davis Martin (9-6)	#149	vs LAA	Ryan Johnson (3-7)	#239
Tue, Mar 31st	vs CWS	Erick Fedde (6-8)	#271	vs LAA	Jose Soriano (10-6)	#48
Wed, Apr 1st	vs CWS	Shane Smith (0-2)	#323	vs LAA	Yusei Kikuchi (0-3)	#124
Fri, Apr 3rd	@ NYY	Will Warren (8-6)	#71	@ CLE	Joey Cantillo (9-7)	#64
Sun, Apr 5th	@ NYY	Max Fried (4-4)	#38	@ CLE	Parker Messick (9-8)	#34
Mon, Apr 6th	vs CIN	Brandon Williamson (2-3)	#324	@ TB	Shane McClanahan (9-6)	#36
Tue, Apr 7th	vs CIN	Andrew Abbott (6-8)	#106	@ TB	Mason Englert (0-3)	#285
Wed, Apr 8th	vs CIN	Brady Singer (5-11)	#152	@ TB	Joe Boyle (0-1)	#184
Fri, Apr 10th	@ DET	Keider Montero (9-8)	#118	vs PIT	Carmen Mlodzinski (6-6)	#98
Sat, Apr 11th	@ DET	Casey Mize (5-7)	#43	vs PIT	Braxton Ashcraft (13-5)	#29
Sun, Apr 12th	@ DET	Tarik Skubal (8-7)	#2	vs PIT	Bubba Chandler (6-8)	#102
Mon, Apr 13th	@ ATL	Grant Holmes (8-5)	#151	@ PHI	Cristopher Sanchez (16-4)	#3
Tue, Apr 14th	@ ATL	Reynaldo Lopez (4-3)	#127	@ PHI	Aaron Nola (5-9)	#56
Wed, Apr 15th	@ ATL	Bryce Elder (8-7)	#145	@ PHI	Jesus Luzardo (11-5)	#6
Fri, Apr 17th	vs MIL	Coleman Crow (0-1)	#267	vs NYM	Kodai Senga (0-8)	#92
Sat, Apr 18th	vs MIL	Brandon Woodruff (2-2)		vs NYM	Freddy Peralta (5-11)	#54
Sun, Apr 19th	vs MIL	Jacob Misiorowski (13-5)	#8	vs NYM	Tobias Myers (0-2)	#193
Mon, Apr 20th	vs STL	Michael McGreevy (5-9)	#94	vs PHI	Aaron Nola (5-9)	#56
Tue, Apr 21st	vs STL	Dustin May (6-8)	#51	vs PHI	Jesus Luzardo (11-5)	#6
Wed, Apr 22nd	vs STL	Kyle Leahy (10-4)	#77	vs PHI	Kyle Backhus
Thu, Apr 23rd				vs PHI	Cristopher Sanchez (16-4)	#3
Fri, Apr 24th	@ SF	Adrian Houser (4-7)	#144	@ LAD	Emmet Sheehan (4-8)	#132
Sat, Apr 25th	@ SF	Robbie Ray (11-7)	#95	@ LAD	Roki Sasaki (5-5)	#78
Sun, Apr 26th	@ SF	Landen Roupp (7-13)	#76	@ LAD	Justin Wrobleski (11-5)	#171
Mon, Apr 27th	@ LAD	Yoshinobu Yamamoto (12-7)	#9	@ SD	Randy Vasquez (9-6)	#257
Tue, Apr 28th	@ LAD	Shohei Ohtani (8-2)	#1	@ SD	Walker Buehler (7-6)	#250
Wed, Apr 29th	@ LAD	Tyler Glasnow (3-0)	#23	@ SD	Matt Waldron (1-2)
Fri, May 1st	vs PHI	Zack Wheeler (10-4)	#5	vs ARI	Zac Gallen (3-9)	#217
Sat, May 2nd	vs PHI	Andrew Painter (3-8)	#174	vs ARI	Ryne Nelson (3-5)	#161
Sun, May 3rd	vs PHI	Jesus Luzardo (11-5)	#6	vs ARI	Merrill Kelly (8-11)	#146
Mon, May 4th	vs PHI	Aaron Nola (5-9)	#56	vs CIN	Chase Petty (1-2)	#339
Tue, May 5th	vs BAL	Chris Bassitt (4-4)	#134	vs CIN	Andrew Abbott (6-8)	#106
Wed, May 6th	vs BAL	Brandon Young (9-3)	#194	vs CIN	Brady Singer (5-11)	#152
Thu, May 7th	vs BAL	Cade Povich (2-1)	#210	vs CIN	Rhett Lowder (5-8)	#244
Fri, May 8th	vs WSH	Foster Griffin (14-4)	#47	@ TEX	Kumar Rocker (4-10)	#101
Sat, May 9th	vs WSH	Richard Lovelady (2-4)		@ TEX	Jack Leiter (3-7)	#122
Sun, May 10th	vs WSH	Cade Cavalli (11-5)	#44	@ TEX	Jacob deGrom (9-8)	#10
Tue, May 12th	@ MIN	Bailey Ober (7-4)	#81	@ ATL	Grant Holmes (8-5)	#151
Wed, May 13th	@ MIN	Simeon Woods Richardson (2-7)	#223	@ ATL	JR Ritchie (1-2)	#345
Thu, May 14th	@ MIN	Zebby Matthews (7-8)	#129	@ ATL	Chris Sale (12-9)	#4
Fri, May 15th	@ TB	Ian Seymour (9-4)	#49	@ CWS	Sean Burke (7-6)	#60
Sat, May 16th	@ TB	Nick Martinez (12-4)	#82	@ CWS	Davis Martin (9-6)	#149
Sun, May 17th	@ TB	Drew Rasmussen (13-5)	#14	@ CWS	Erick Fedde (6-8)	#271
Mon, May 18th	vs ATL	JR Ritchie (1-2)	#345	vs MIL	Brandon Sproat (3-7)	#203
Tue, May 19th	vs ATL	Martin Perez (8-8)	#243	vs MIL	Jacob Misiorowski (13-5)	#8
Wed, May 20th	vs ATL	Chris Sale (12-9)	#4	vs MIL	Kyle Harrison (10-3)	#41
Fri, May 22nd	vs NYM	Tobias Myers (0-2)	#193	vs HOU	Spencer Arrighetti (7-6)	#237
Sat, May 23rd	vs NYM	Freddy Peralta (5-11)	#54	vs HOU	Kai-Wei Teng (5-6)	#215
Sun, May 24th	vs NYM	Christian Scott (4-3)	#39	vs HOU	Peter Lambert (8-7)	#160
Mon, May 25th	@ TOR	Trey Yesavage (5-5)	#278	@ PIT	Carmen Mlodzinski (6-6)	#98
Tue, May 26th	@ TOR	Braydon Fisher (3-4)	#167	@ PIT	Braxton Ashcraft (13-5)	#29
Wed, May 27th	@ TOR	Kevin Gausman (6-11)	#28	@ PIT	Bubba Chandler (6-8)	#102
Thu, May 28th				@ PIT	Paul Skenes (9-11)	#7
Fri, May 29th	@ NYM	Freddy Peralta (5-11)	#54	@ STL	Andre Pallante (12-6)	#183
Sat, May 30th	@ NYM	Christian Scott (4-3)	#39	@ STL	Kyle Leahy (10-4)	#77
Sun, May 31st	@ NYM	Nolan McLean (9-8)	#33	@ STL	Matthew Liberatore (5-11)	#83
Tue, Jun 2nd	@ WSH	Richard Lovelady (2-4)		vs ATH	Gage Jump (5-8)	#91
Wed, Jun 3rd	@ WSH	Andrew Alvarez (2-5)	#156	vs ATH	Jeffrey Springs (3-11)	#220
Thu, Jun 4th				vs ATH	J.T. Ginn (8-8)	#126
Fri, Jun 5th	vs TB	Drew Rasmussen (13-5)	#14	vs SF	Robbie Ray (11-7)	#95
Sat, Jun 6th	vs TB	Shane McClanahan (9-6)	#36	vs SF	Landen Roupp (7-13)	#76
Sun, Jun 7th	vs TB	Griffin Jax (6-9)	#103	vs SF	Trevor McDonald (3-7)
Tue, Jun 9th	vs ARI	Zac Gallen (3-9)	#217	@ COL	Tomoyuki Sugano (12-6)	#439
Wed, Jun 10th	vs ARI	Ryne Nelson (3-5)	#161	@ COL	Michael Lorenzen (3-11)	#412
Thu, Jun 11th	vs ARI	Merrill Kelly (8-11)	#146	@ COL	Ryan Feltner (5-7)	#438
Fri, Jun 12th	@ PIT	Braxton Ashcraft (13-5)	#29	@ SF	Landen Roupp (7-13)	#76
Sat, Jun 13th	@ PIT	Bubba Chandler (6-8)	#102	@ SF	Trevor McDonald (3-7)
Sun, Jun 14th	@ PIT	Paul Skenes (9-11)	#7	@ SF	Logan Webb (8-8)	#13
Mon, Jun 15th	@ PHI	Zack Wheeler (10-4)	#5	vs COL	Michael Lorenzen (3-11)	#412
Tue, Jun 16th	@ PHI	Jesus Luzardo (11-5)	#6	vs COL	Ryan Feltner (5-7)	#438
Wed, Jun 17th	@ PHI	Andrew Painter (3-8)	#174	vs COL	Sean Sullivan (0-3)	#432
Fri, Jun 19th	vs SF	Landen Roupp (7-13)	#76	vs TOR	Kevin Gausman (6-11)	#28
Sat, Jun 20th	vs SF	Trevor McDonald (3-7)		vs TOR	Patrick Corbin (3-4)
Tue, Jun 23rd	vs TEX	Cal Quantrill (5-4)	#235	@ NYM	Kodai Senga (0-8)	#92
Wed, Jun 24th	vs TEX	Jacob deGrom (9-8)	#10	@ NYM	Sean Manaea (4-5)	#63
Thu, Jun 25th				@ NYM	Freddy Peralta (5-11)	#54
Fri, Jun 26th	@ STL	Michael McGreevy (5-9)	#94	@ MIL	Jacob Misiorowski (13-5)	#8
Sat, Jun 27th	@ STL	Andre Pallante (12-6)	#183	@ MIL	Kyle Harrison (10-3)	#41
Sun, Jun 28th	@ STL	Kyle Leahy (10-4)	#77	@ MIL	Brandon Woodruff (2-2)
Mon, Jun 29th	@ COL	Sean Sullivan (0-3)	#432	vs SD	Griffin Canning (4-9)	#158
Tue, Jun 30th	@ COL	Tanner Gordon (0-4)	#408	vs SD	JP Sears (3-4)	#256
Wed, Jul 1st	@ COL	Kyle Freeland (4-10)	#427	vs SD	Walker Buehler (7-6)	#250
Fri, Jul 3rd	@ ATH	Jack Perkins (2-9)	#112	vs STL	Andre Pallante (12-6)	#183
Sat, Jul 4th	@ ATH	Aaron Civale (5-7)	#159	vs STL	Kyle Leahy (10-4)	#77
Sun, Jul 5th	@ ATH	Gage Jump (5-8)	#91	vs STL	Matthew Liberatore (5-11)	#83
Tue, Jul 7th	vs SEA	Bryan Woo (9-8)	#15	@ BAL	Shane Baz (4-13)	#68
Wed, Jul 8th	vs SEA	George Kirby (8-10)	#24	@ BAL	Dean Kremer (2-4)	#87
Thu, Jul 9th	vs SEA	Bryce Miller (4-7)	#40	@ BAL	Trevor Rogers (9-8)	#65
Fri, Jul 10th	vs CLE	Parker Messick (9-8)	#34	@ CIN	Hunter Greene (2-2)
Sat, Jul 11th	vs CLE	Tanner Bibee (5-13)	#59	@ CIN	Nick Lodolo (3-3)	#89
Sun, Jul 12th	vs CLE	Joey Cantillo (9-7)	#64	@ CIN	Andrew Abbott (6-8)	#106
Fri, Jul 17th	@ MIL	Logan Henderson (8-2)	#26	vs MIN	Bailey Ober (7-4)	#81
Sat, Jul 18th	@ MIL	Shane Drohan (6-4)	#138	vs MIN	Taj Bradley (9-5)	#50
Sun, Jul 19th	@ MIL	Robert Gasser (3-5)	#115	vs MIN	Zebby Matthews (7-8)	#129
Mon, Jul 20th	@ HOU	Ronel Blanco (0-1)	#191	vs DET	Jack Flaherty (3-8)	#114
Tue, Jul 21st	@ HOU	Tatsuya Imai (6-4)	#131	vs DET	Framber Valdez (8-8)	#46
Wed, Jul 22nd	@ HOU	Peter Lambert (8-7)	#160	vs DET	Keider Montero (9-8)	#118
Fri, Jul 24th	vs SD	German Marquez (4-2)	#422	@ PIT	Jared Jones (2-5)	#45
Sat, Jul 25th	vs SD	Randy Vasquez (9-6)	#257	@ PIT	Paul Skenes (9-11)	#7
Sun, Jul 26th	vs SD	Walker Buehler (7-6)	#250	@ PIT	Braxton Ashcraft (13-5)	#29
Mon, Jul 27th	vs PHI	Zack Wheeler (10-4)	#5	@ STL	Matthew Liberatore (5-11)	#83
Tue, Jul 28th	vs PHI	Aaron Nola (5-9)	#56	@ STL	Michael McGreevy (5-9)	#94
Wed, Jul 29th	vs PHI	Jesus Luzardo (11-5)	#6	@ STL	Dustin May (6-8)	#51
Thu, Jul 30th	@ NYM	Nolan McLean (9-8)	#33	@ STL	Andre Pallante (12-6)	#183
Fri, Jul 31st	@ NYM	Kodai Senga (0-8)	#92	vs NYY	Will Warren (8-6)	#71
Sat, Aug 1st	@ NYM	Zac Thornton (3-4)	#180	vs NYY	Max Fried (4-4)	#38
Sun, Aug 2nd	@ NYM	Robert Stock (0-2)	#245	vs NYY	Gerrit Cole (7-6)	#19
Mon, Aug 3rd				vs LAD	Justin Wrobleski (11-5)	#171
Tue, Aug 4th	@ ATL	Grant Holmes (8-5)	#151	vs LAD	Tarik Skubal (8-7)	#2
Wed, Aug 5th	@ ATL	Bryce Elder (8-7)	#145	vs LAD	Eric Lauer (8-6)	#247
Thu, Aug 6th	@ ATL	Martin Perez (8-8)	#243	vs TOR	Dylan Cease (8-5)	#11
Fri, Aug 7th	vs LAA	George Klassen (2-1)	#251	@ KC	Daniel Lynch (4-4)	#228
Sat, Aug 8th	vs LAA	Walbert Urena (8-9)	#277	@ KC	Seth Lugo (5-7)	#117
Sun, Aug 9th	vs LAA	Grayson Rodriguez (4-5)	#121	@ KC	Randy Dobnak (2-1)	#425
Tue, Aug 11th	vs PIT	Paul Skenes (9-11)	#7	@ WSH	Jake Irvin (2-8)	#207
Wed, Aug 12th	vs PIT	Carmen Mlodzinski (6-6)	#98	@ WSH	Jackson Kent (0-1)	#212
Thu, Aug 13th	vs PIT	Braxton Ashcraft (13-5)	#29	@ WSH	Cade Cavalli (11-5)	#44
Fri, Aug 14th	@ CIN	Chase Burns (14-2)	#20	vs STL	Matthew Liberatore (5-11)	#83
Sat, Aug 15th	@ CIN	Brady Singer (5-11)	#152	vs STL	Michael McGreevy (5-9)	#94
Sun, Aug 16th	@ CIN	Nick Lodolo (3-3)	#89	vs STL	Hunter Dobbins (3-3)	#213
Mon, Aug 17th	@ PHI	Cristopher Sanchez (16-4)	#3	vs CWS	Luis Castillo (4-10)	#111
Tue, Aug 18th	@ PHI	Zack Wheeler (10-4)	#5	vs CWS	Bryan Hudson (3-4)	#133
Wed, Aug 19th	@ PHI	Aaron Nola (5-9)	#56	vs CWS	Sean Newcomb (1-3)	#141
Fri, Aug 21st	vs WSH	Brad Lord (5-2)	#157	@ SEA	Emerson Hancock (7-7)	#79
Sat, Aug 22nd	vs WSH	Jake Irvin (2-8)	#207	@ SEA	Kade Anderson (0-0)	#66
Sun, Aug 23rd	vs WSH	Jackson Kent (0-1)	#212	@ SEA	Bryce Miller (4-7)	#40
Mon, Aug 24th	vs BOS	Ranger Suarez (5-3)	#22	@ ARI	Merrill Kelly (8-11)	#146
Tue, Aug 25th	vs BOS	Payton Tolle (8-6)	#25	@ ARI	Brandon Pfaadt (7-1)	#86
Wed, Aug 26th	vs BOS	Sonny Gray (16-3)	#30	@ ARI	Eduardo Rodriguez (13-4)	#110
Fri, Aug 28th	@ WSH	Jackson Kent (0-1)	#212	vs CIN	Rhett Lowder (5-8)	#244
Sat, Aug 29th	@ WSH	Cade Cavalli (11-5)	#44	vs CIN	Andrew Abbott (6-8)	#106
Sun, Aug 30th	@ WSH	Andrew Alvarez (2-5)	#156	vs CIN	Chase Burns (14-2)	#20
Mon, Aug 31st	@ WSH	Brad Lord (5-2)	#157	vs MIL	Kyle Harrison (10-3)	#41
Tue, Sep 1st	@ KC			vs MIL
Wed, Sep 2nd	@ KC			vs MIL
Thu, Sep 3rd	@ KC			vs MIL
Fri, Sep 4th	vs CHC			@ MIA
Sat, Sep 5th	vs CHC			@ MIA
Sun, Sep 6th	vs CHC			@ MIA
Mon, Sep 7th	vs NYM			@ MIL
Tue, Sep 8th	vs NYM			@ MIL
Wed, Sep 9th	vs NYM			@ MIL
Fri, Sep 11th	vs LAD			vs PIT
Sat, Sep 12th	vs LAD			vs PIT
Sun, Sep 13th	vs LAD			vs PIT
Mon, Sep 14th	@ ARI			vs ATL
Tue, Sep 15th	@ ARI			vs ATL
Wed, Sep 16th	@ ARI			vs ATL
Fri, Sep 18th	@ SD			@ CIN
Sat, Sep 19th	@ SD			@ CIN
Sun, Sep 20th	@ SD			@ CIN
Tue, Sep 22nd	@ CHC			vs MIA
Wed, Sep 23rd	@ CHC			vs MIA
Thu, Sep 24th	@ CHC			vs MIA
Fri, Sep 25th	vs ATL			@ BOS
Sat, Sep 26th	vs ATL			@ BOS
Sun, Sep 27th	vs ATL			@ BOS
Fri, Mar 27th	vs COL	Kyle Freeland (4-10)	#427
Sat, Apr 4th	@ NYY	Ryan Weathers (5-8)	#42
Thu, Apr 9th	vs CIN	Rhett Lowder (5-8)	#244
Thu, May 21st	vs ATL	Spencer Strider (4-2)	#259
Mon, Jun 1st	@ WSH	Cade Cavalli (11-5)	#44
Sun, Jun 21st	vs SF	Logan Webb (8-8)	#13
Mon, Jun 22nd	vs TEX	Tyler Alexander (4-2)	#162
Thu, Jul 2nd	@ COL	Michael Lorenzen (3-11)	#412