Mason Black or William Kempner

Baseball Stats Comparison

Stats
Projections
News & Notes
Schedule

Mason Black or William Kempner Player Statistics
	Mason Black SP,RP - KC	William Kempner RP - MIA
2026 Stats


Games Played	17	9

Games Started	0	0

Innings Pitched	31.1	12.1

Wins	0	1

Losses	0	0

Saves	0	0

Blown Saves	0	0

Holds	0	0

Hits Allowed	29	8

Earned Runs	15	4

Home Runs Allowed	6	1

Strikeouts	19	14

Walks	20	4

ERA	4.31	2.92

WHIP	1.56	0.97

Mason Black or William Kempner Player Projections
	Mason Black SP,RP - KC	William Kempner RP - MIA
2026 Projections


Games Played	28	21

Games Started	3	0

Innings Pitched	48.0	21.5

Wins	2	1

Losses	3	2

Saves	0	0

Blown Saves	0	0

Holds	1	1

Hits Allowed	49	20

Earned Runs	28	11

Home Runs Allowed	7	3

Strikeouts	38	21

Walks	20	12

ERA	5.18	4.71

WHIP	1.44	1.48

Mason Black or William Kempner Player Notes
	Mason Black SP,RP - KC	William Kempner RP - MIA
News
	The Royals recalled Mason Black from Triple-A Omaha. Ari Koslow Fri, Aug 7th	William Kempner has continued his non-throwing rehab. Ari Koslow Thu, Sep 3rd
	The Royals optioned Mason Black to Triple-A Omaha. Ari Koslow Fri, Jun 19th	The Marlins transferred William Kempner to the 60-day injured list. Ari Koslow Fri, Aug 21st
	The Royals recalled Mason Black from Triple-A Omaha. Ari Koslow Wed, May 27th	William Kempner was scheduled to undergo surgery on Wednesday. Ari Koslow Thu, Aug 20th
	The Royals optioned Mason Black to Triple-A Omaha. Ari Koslow Tue, May 5th	William Kempner is scheduled to undergo elbow surgery. Ari Koslow Wed, Aug 12th
	The Royals have recalled right-hander Mason Black from Triple-A Omaha. Brenton Kemp Sun, Apr 19th	The Marlins say William Kempner will be re-evaluated next week. Ari Koslow Fri, Aug 7th
Notes
There are no recent notes for these players

Mason Black or William Kempner Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	Mason Black SP,RP - KC			William Kempner RP - MIA
Fri, Mar 27th	@ ATL	Chris Sale (14-9)	#5	vs COL	Kyle Freeland (4-10)	#405
Sat, Mar 28th	@ ATL	Reynaldo Lopez (4-3)	#102	vs COL	Michael Lorenzen (3-11)	#154
Sun, Mar 29th	@ ATL	Grant Holmes (9-5)	#167	vs COL	Jose Quintana (2-3)	#420
Mon, Mar 30th	vs MIN	Simeon Woods Richardson (2-7)		vs CWS	Davis Martin (9-6)	#107
Wed, Apr 1st	vs MIN	Joe Ryan (6-8)	#58	vs CWS	Shane Smith (0-2)	#302
Thu, Apr 2nd	vs MIN	Taj Bradley (10-6)	#53
Sat, Apr 4th	vs MIL	Logan Henderson (9-3)	#29	@ NYY	Ryan Weathers (5-8)	#207
Sun, Apr 5th	vs MIL	Kyle Harrison (10-4)	#49	@ NYY	Max Fried (4-4)	#17
Mon, Apr 6th	@ CLE	Tanner Bibee (5-15)	#64	vs CIN	Brandon Williamson (3-3)	#391
Tue, Apr 7th	@ CLE	Gavin Williams (13-7)	#23	vs CIN	Andrew Abbott (6-10)	#143
Wed, Apr 8th	@ CLE	Joey Cantillo (9-8)	#75	vs CIN	Brady Singer (5-13)	#168
Thu, Apr 9th	vs CWS	Anthony Kay (9-7)	#140	vs CIN	Rhett Lowder (6-9)	#218
Fri, Apr 10th	vs CWS	Davis Martin (9-6)	#107	@ DET	Keider Montero (9-8)	#126
Sat, Apr 11th	vs CWS	Erick Fedde (8-8)	#412	@ DET	Casey Mize (5-9)	#52
Sun, Apr 12th	vs CWS	Grant Taylor (7-2)	#27	@ DET	Tarik Skubal (8-7)	#2
Tue, Apr 14th	@ DET	Framber Valdez (8-10)	#30	@ ATL	Reynaldo Lopez (4-3)	#102
Wed, Apr 15th	@ DET	Jack Flaherty (3-8)	#99	@ ATL	Bryce Elder (8-8)	#165
Thu, Apr 16th	@ DET	Keider Montero (9-8)	#126
Fri, Apr 17th	@ NYY	Cam Schlittler (12-6)	#16	vs MIL	Coleman Crow (0-1)	#306
Sat, Apr 18th	@ NYY	Will Warren (9-6)	#43	vs MIL	Brandon Woodruff (2-2)
Sun, Apr 19th	@ NYY	Ryan Weathers (5-8)	#207	vs MIL	Jacob Misiorowski (14-5)	#7
Mon, Apr 20th	vs BAL	Kyle Bradish (7-12)	#59	vs STL	Michael McGreevy (6-9)	#98
Tue, Apr 21st	vs BAL	Shane Baz (5-15)	#73	vs STL	Dustin May (6-9)	#62
Wed, Apr 22nd	vs BAL	Chris Bassitt (6-4)	#149	vs STL	Kyle Leahy (10-4)	#85
Fri, Apr 24th	vs LAA	Yusei Kikuchi (0-5)	#84	@ SF	Adrian Houser (4-7)
Sat, Apr 25th	vs LAA	Walbert Urena (9-9)	#209	@ SF	Robbie Ray (11-7)	#135
Sun, Apr 26th	vs LAA	Reid Detmers (4-8)	#28	@ SF	Landen Roupp (8-13)	#96
Tue, Apr 28th	@ ATH	Aaron Civale (6-7)	#203	@ LAD	Shohei Ohtani (8-2)	#1
Wed, Apr 29th	@ ATH	Luis Severino (2-6)		@ LAD	Tyler Glasnow (4-0)	#14
Thu, Apr 30th	@ ATH	Jeffrey Springs (3-13)	#224
Fri, May 1st	@ SEA	Bryan Woo (10-9)	#13	vs PHI	Zack Wheeler (11-5)	#10
Sat, May 2nd	@ SEA	Emerson Hancock (7-8)	#127	vs PHI	Andrew Painter (3-8)	#156
Sun, May 3rd	@ SEA	Luis Castillo (4-11)	#100	vs PHI	Jesus Luzardo (13-5)	#12
Mon, May 4th	vs CLE	Tanner Bibee (5-15)	#64	vs PHI	Aaron Nola (6-10)	#63
Tue, May 5th	vs CLE	Gavin Williams (13-7)	#23	vs BAL	Chris Bassitt (6-4)	#149
Wed, May 6th	vs CLE	Joey Cantillo (9-8)	#75	vs BAL	Brandon Young (9-3)	#138
Thu, May 7th	vs CLE	Slade Cecconi (4-7)	#179	vs BAL	Cade Povich (2-1)	#223
Fri, May 8th	vs DET	Keider Montero (9-8)	#126	vs WSH	Foster Griffin (15-4)	#50
Sat, May 9th	vs DET	Burch Smith		vs WSH	Richard Lovelady (2-4)	#368
Sun, May 10th	vs DET	Brenan Hanifee		vs WSH	Cade Cavalli (12-5)	#42
Tue, May 12th	@ CWS	Erick Fedde (8-8)	#412	@ MIN	Bailey Ober (7-4)	#89
Wed, May 13th	@ CWS	Noah Schultz (3-9)	#331	@ MIN	Simeon Woods Richardson (2-7)
Thu, May 14th	@ CWS	Anthony Kay (9-7)	#140	@ MIN	Zebby Matthews (9-9)	#82
Fri, May 15th	@ STL	Dustin May (6-9)	#62	@ TB	Ian Seymour (9-6)	#65
Sat, May 16th	@ STL	Kyle Leahy (10-4)	#85	@ TB	Nick Martinez (14-4)	#95
Sun, May 17th	@ STL	Andre Pallante (12-6)	#225	@ TB	Drew Rasmussen (14-5)	#20
Mon, May 18th	vs BOS	Sonny Gray (16-4)	#37	vs ATL	JR Ritchie (1-2)	#236
Tue, May 19th	vs BOS	Ranger Suarez (6-4)	#39	vs ATL	Martin Perez (8-8)	#188
Wed, May 20th	vs BOS	Connelly Early (7-5)	#129	vs ATL	Chris Sale (14-9)	#5
Fri, May 22nd	vs SEA	Logan Gilbert (11-9)	#11	vs NYM	Tobias Myers (0-2)	#201
Sat, May 23rd	vs SEA	George Kirby (9-10)	#22	vs NYM	Freddy Peralta (7-11)	#55
Sun, May 24th	vs SEA	Bryan Woo (10-9)	#13	vs NYM	Christian Scott (4-4)	#46
Mon, May 25th	vs NYY	Will Warren (9-6)	#43	@ TOR	Trey Yesavage (5-5)	#228
Tue, May 26th	vs NYY	Cam Schlittler (12-6)	#16	@ TOR	Braydon Fisher (3-4)	#162
Wed, May 27th	vs NYY	Gerrit Cole (8-7)	#18	@ TOR	Kevin Gausman (9-11)	#24
Fri, May 29th	@ TEX	MacKenzie Gore (8-10)	#44	@ NYM	Freddy Peralta (7-11)	#55
Sat, May 30th	@ TEX	Kumar Rocker (5-11)	#115	@ NYM	Christian Scott (4-4)	#46
Sun, May 31st	@ TEX	Jack Leiter (3-7)	#193	@ NYM	Nolan McLean (11-8)	#26
Mon, Jun 1st	@ CIN	Lyon Richardson		@ WSH	Cade Cavalli (12-5)	#42
Tue, Jun 2nd	@ CIN	Andrew Abbott (6-10)	#143	@ WSH	Richard Lovelady (2-4)	#368
Wed, Jun 3rd	@ CIN	Chase Burns (15-3)	#36	@ WSH	Andrew Alvarez (2-6)	#132
Thu, Jun 4th	@ MIN	Andrew Morris (4-7)	#183
Fri, Jun 5th	@ MIN	Zebby Matthews (9-9)	#82	vs TB	Drew Rasmussen (14-5)	#20
Sat, Jun 6th	@ MIN	Joe Ryan (6-8)	#58	vs TB	Shane McClanahan (10-7)	#40
Sun, Jun 7th	@ MIN	Connor Prielipp (4-7)	#71	vs TB	Griffin Jax (6-10)	#41
Tue, Jun 9th	vs TEX	Nathan Eovaldi (10-9)	#137	vs ARI	Zac Gallen (3-9)	#145
Wed, Jun 10th	vs TEX	MacKenzie Gore (8-10)	#44	vs ARI	Ryne Nelson (3-5)	#172
Thu, Jun 11th	vs TEX	Kumar Rocker (5-11)	#115	vs ARI	Merrill Kelly (9-13)	#173
Fri, Jun 12th	vs HOU	Tatsuya Imai (6-4)	#125	@ PIT	Braxton Ashcraft (14-5)	#33
Sat, Jun 13th	vs HOU	Mike Burrows (4-9)	#233	@ PIT	Bubba Chandler (6-9)	#116
Sun, Jun 14th	vs HOU	Spencer Arrighetti (7-8)	#176	@ PIT	Paul Skenes (9-11)	#4
Mon, Jun 15th	@ WSH	Andrew Alvarez (2-6)	#132	@ PHI	Zack Wheeler (11-5)	#10
Tue, Jun 16th	@ WSH	Foster Griffin (15-4)	#50	@ PHI	Jesus Luzardo (13-5)	#12
Wed, Jun 17th	@ WSH	Zack Littell (8-8)	#285	@ PHI	Andrew Painter (3-8)	#156
Thu, Jun 18th	vs STL	Matthew Liberatore (5-13)	#83
Fri, Jun 19th	vs STL	Michael McGreevy (6-9)	#98	vs SF	Landen Roupp (8-13)	#96
Sun, Jun 21st	vs STL	Dustin May (6-9)	#62	vs SF	Logan Webb (8-8)	#19
Mon, Jun 22nd	@ TB	Drew Rasmussen (14-5)	#20	vs TEX	Tyler Alexander (5-2)	#124
Tue, Jun 23rd	@ TB	Shane McClanahan (10-7)	#40	vs TEX	Cal Quantrill (7-5)	#164
Wed, Jun 24th	@ TB	Griffin Jax (6-10)	#41	vs TEX	Jacob deGrom (10-9)	#8
Thu, Jun 25th	@ TB	Casey Legumina (2-2)	#251
Fri, Jun 26th	@ CWS	David Sandlin (2-1)	#247	@ STL	Michael McGreevy (6-9)	#98
Sat, Jun 27th	@ CWS	Davis Martin (9-6)	#107	@ STL	Andre Pallante (12-6)	#225
Sun, Jun 28th	@ CWS	Anthony Kay (9-7)	#140	@ STL	Kyle Leahy (10-4)	#85
Tue, Jun 30th	vs TB	Griffin Jax (6-10)	#41	@ COL	Tanner Gordon (1-4)	#406
Wed, Jul 1st	vs TB	Shane McClanahan (10-7)	#40	@ COL	Kyle Freeland (4-10)	#405
Thu, Jul 2nd	vs TB	Ian Seymour (9-6)	#65	@ COL	Michael Lorenzen (3-11)	#154
Sat, Jul 4th	vs PHI	Jesus Luzardo (13-5)	#12	@ ATH	Aaron Civale (6-7)	#203
Sun, Jul 5th	vs PHI	Aaron Nola (6-10)	#63	@ ATH	Gage Jump (6-9)	#106
Mon, Jul 6th	vs PHI	Cristopher Sanchez (16-5)	#3
Tue, Jul 7th	@ NYM	Cionel Perez		vs SEA	Bryan Woo (10-9)	#13
Wed, Jul 8th	@ NYM	Christian Scott (4-4)	#46	vs SEA	George Kirby (9-10)	#22
Thu, Jul 9th	@ NYM	Sean Manaea (4-7)	#69	vs SEA	Bryce Miller (4-8)	#48
Fri, Jul 10th	@ BAL	Brandon Young (9-3)	#138	vs CLE	Parker Messick (11-8)	#34
Sat, Jul 11th	@ BAL	Kyle Bradish (7-12)	#59	vs CLE	Tanner Bibee (5-15)	#64
Sun, Jul 12th	@ BAL	Shane Baz (5-15)	#73	vs CLE	Joey Cantillo (9-8)	#75
Fri, Jul 17th	vs SD	Michael King (9-9)	#60	@ MIL	Logan Henderson (9-3)	#29
Sat, Jul 18th	vs SD	Griffin Canning (4-9)	#185	@ MIL	Shane Drohan (7-5)	#103
Sun, Jul 19th	vs SD	German Marquez (4-2)	#386	@ MIL	Robert Gasser (4-5)	#86
Mon, Jul 20th	vs SF	Trevor McDonald (3-7)		@ HOU	Ronel Blanco (0-1)	#139
Tue, Jul 21st	vs SF	Tyler Mahle (5-10)	#78	@ HOU	Tatsuya Imai (6-4)	#125
Wed, Jul 22nd	vs SF	Landen Roupp (8-13)	#96	@ HOU	Peter Lambert (8-7)	#144
Thu, Jul 23rd	@ DET	Troy Melton (7-4)	#72
Fri, Jul 24th	@ DET	Tarik Skubal (8-7)	#2	vs SD	German Marquez (4-2)	#386
Sat, Jul 25th	@ DET	Casey Mize (5-9)	#52	vs SD	Randy Vasquez (10-6)	#212
Sun, Jul 26th	@ DET	Framber Valdez (8-10)	#30	vs SD	Walker Buehler (8-6)	#180
Tue, Jul 28th	@ MIN	Taj Bradley (10-6)	#53	vs PHI	Aaron Nola (6-10)	#63
Wed, Jul 29th	@ MIN	Joe Ryan (6-8)	#58	vs PHI	Jesus Luzardo (13-5)	#12
Thu, Jul 30th	@ MIN	Bailey Ober (7-4)	#89	@ NYM	Nolan McLean (11-8)	#26
Fri, Jul 31st	@ COL	Tomoyuki Sugano (12-8)	#423	@ NYM	Kodai Senga (0-9)	#66
Sat, Aug 1st	@ COL	Ryan Feltner (5-9)	#422	@ NYM	Zac Thornton (3-4)	#121
Sun, Aug 2nd	@ COL	Kyle Freeland (4-10)	#405	@ NYM	Robert Stock (1-3)	#171
Tue, Aug 4th	vs MIN	Joe Ryan (6-8)	#58	@ ATL	Grant Holmes (9-5)	#167
Wed, Aug 5th	vs MIN	Dean Kremer (2-5)	#88	@ ATL	Bryce Elder (8-8)	#165
Thu, Aug 6th	vs MIN	Bailey Ober (7-4)	#89	@ ATL	Martin Perez (8-8)	#188
Fri, Aug 7th	vs CHC	Kevin Gausman (9-11)	#24	vs LAA	George Klassen (2-2)	#352
Sat, Aug 8th	vs CHC	Clay Holmes (6-6)	#38	vs LAA	Walbert Urena (9-9)	#209
Sun, Aug 9th	vs CHC	Matthew Boyd (8-3)	#57	vs LAA	Grayson Rodriguez (4-6)	#92
Mon, Aug 10th	@ LAD	Tarik Skubal (8-7)	#2
Tue, Aug 11th	@ LAD	Blake Snell (3-1)	#15	vs PIT	Paul Skenes (9-11)	#4
Wed, Aug 12th	@ LAD	Eric Lauer (8-7)	#336	vs PIT	Carmen Mlodzinski (7-6)	#104
Fri, Aug 14th	@ LAA	Grayson Rodriguez (4-6)	#92	@ CIN	Chase Burns (15-3)	#36
Sat, Aug 15th	@ LAA	Reid Detmers (4-8)	#28	@ CIN	Brady Singer (5-13)	#168
Sun, Aug 16th	@ LAA	Ryan Johnson (3-8)	#216	@ CIN	Nick Lodolo (3-3)	#113
Mon, Aug 17th	vs ATH	Mason Barnett (1-4)	#414	@ PHI	Cristopher Sanchez (16-5)	#3
Tue, Aug 18th	vs ATH	Brady Basso (1-2)	#192	@ PHI	Zack Wheeler (11-5)	#10
Wed, Aug 19th	vs ATH	Jeffrey Springs (3-13)	#224	@ PHI	Aaron Nola (6-10)	#63
Thu, Aug 20th	vs ATH	Gage Jump (6-9)	#106
Fri, Aug 21st	vs DET	Troy Melton (7-4)	#72	vs WSH	Brad Lord (5-2)	#196
Sat, Aug 22nd	vs DET	Drew Anderson (4-5)	#70	vs WSH	Jake Irvin (2-8)	#152
Sun, Aug 23rd	vs DET	Jacob Waguespack		vs WSH	Jackson Kent (1-3)	#163
Tue, Aug 25th	@ TOR	Max Scherzer (2-7)	#119	vs BOS	Payton Tolle (8-6)	#32
Wed, Aug 26th	@ TOR	Spencer Miles (6-2)	#134	vs BOS	Sonny Gray (16-4)	#37
Thu, Aug 27th	@ TOR	Spencer Arrighetti (7-8)	#176
Fri, Aug 28th	@ CLE	Tanner Bibee (5-15)	#64	@ WSH	Jackson Kent (1-3)	#163
Sat, Aug 29th	@ CLE	Foster Griffin (15-4)	#50	@ WSH	Cade Cavalli (12-5)	#42
Sun, Aug 30th	@ CLE	Parker Messick (11-8)	#34	@ WSH	Andrew Alvarez (2-6)	#132
Tue, Sep 1st	vs MIA	Tyler Phillips (4-6)	#200	@ KC	Randy Dobnak (2-3)	#421
Wed, Sep 2nd	vs MIA	Eury Perez (7-10)	#47	@ KC	Noah Cameron (9-8)	#80
Thu, Sep 3rd	vs MIA	Sandy Alcantara (13-9)	#76	@ KC	Michael Wacha (9-8)	#77
Fri, Sep 4th	vs TOR	Jameson Taillon (2-6)	#130	vs CHC	Shota Imanaga (9-10)	#25
Sat, Sep 5th	vs TOR	Max Scherzer (2-7)	#119	vs CHC	Javier Assad (6-1)	#202
Sun, Sep 6th	vs TOR	Spencer Arrighetti (7-8)	#176	vs CHC	Matthew Boyd (8-3)	#57
Mon, Sep 7th	vs ARI			vs NYM	Robert Stock (1-3)	#171
Tue, Sep 8th	vs ARI	Michael Soroka (8-4)	#93	vs NYM	Sean Manaea (4-7)	#69
Wed, Sep 9th	vs ARI	Merrill Kelly (9-13)	#173	vs NYM	Nolan McLean (11-8)	#26
Fri, Sep 11th	@ BOS	Sonny Gray (16-4)	#37	vs LAD	Tyler Glasnow (4-0)	#14
Sat, Sep 12th	@ BOS	Payton Tolle (8-6)	#32	vs LAD
Sun, Sep 13th	@ BOS	Patrick Sandoval (1-4)	#111	vs LAD
Tue, Sep 15th	@ HOU			@ ARI
Wed, Sep 16th	@ HOU			@ ARI
Thu, Sep 17th	@ HOU
Fri, Sep 18th	@ PIT			@ SD
Sat, Sep 19th	@ PIT			@ SD
Sun, Sep 20th	@ PIT			@ SD
Tue, Sep 22nd	vs CWS			@ CHC
Wed, Sep 23rd	vs CWS			@ CHC
Thu, Sep 24th	vs CWS			@ CHC
Fri, Sep 25th	vs CLE			vs ATL
Sat, Sep 26th	vs CLE			vs ATL
Sun, Sep 27th	vs CLE			vs ATL
Tue, Mar 31st				vs CWS	Erick Fedde (8-8)	#412
Fri, Apr 3rd				@ NYY	Will Warren (9-6)	#43
Mon, Apr 13th				@ ATL	Grant Holmes (9-5)	#167
Mon, Apr 27th				@ LAD	Yoshinobu Yamamoto (12-8)	#6
Thu, May 21st				vs ATL	Spencer Strider (4-2)	#232
Sat, Jun 20th				vs SF	Trevor McDonald (3-7)
Mon, Jun 29th				@ COL	Sean Sullivan (0-3)	#411
Fri, Jul 3rd				@ ATH	Jack Perkins (3-10)	#147
Mon, Jul 27th				vs PHI	Zack Wheeler (11-5)	#10
Thu, Aug 13th				vs PIT	Braxton Ashcraft (14-5)	#33
Mon, Aug 24th				vs BOS	Ranger Suarez (6-4)	#39
Mon, Aug 31st				@ WSH	Will Dion (1-1)	#118
Mon, Sep 14th				@ ARI