Who Should I Trade?

Mason Miller for William Kempner (2026)

Summary
Stats
Projections
News & Notes
Schedule

Who Should I Trade? Player Summaries
	Experts' Pick
	Mason Miller RP - SD	William Kempner RP - MIA
Expert Recommendation	100% Recommended by 6 of 6 experts	0% Recommended by 0 of 6 experts
Rankings

Rest of Season	# 9	‐
VBR	# 104	# 837

Projections

Strikeouts	39	9
Wins	2	1
Saves	12	0
ERA	2.21	4.42
WHIP	0.98	1.61

Misc

Injury Alert	-	IL15

Expert Ranks

Scott Pianowski Yahoo! Sports	# 11	‐

Dalton Del Don The Deep Shot	# 7	‐

Chris Welsh FantasyPros	# 16	‐

Mike Maher BettingPros	# 11	‐

Kelly Kirby FantasyPros	# 4	# 392

Kevin Spinelli KevScores	# 24	‐

Who Should I Trade? Player Statistics
	Mason Miller RP - SD	William Kempner RP - MIA
2026 Stats


Games Played	40	9

Games Started	0	0

Innings Pitched	41.2	12.1

Wins	2	1

Losses	1	0

Saves	25	0

Blown Saves	0	0

Holds	0	0

Hits Allowed	21	8

Earned Runs	4	4

Home Runs Allowed	0	1

Strikeouts	78	14

Walks	15	4

ERA	0.86	2.92

WHIP	0.86	0.97

Who Should I Trade? Player Projections
	Mason Miller RP - SD	William Kempner RP - MIA
2026 Projections


Games Played	27	11

Games Started	0	0

Innings Pitched	24.6	8.4

Wins	2	1

Losses	1	1

Saves	12	0

Blown Saves	0	0

Holds	1	0

Hits Allowed	14	8

Earned Runs	6	4

Home Runs Allowed	2	1

Strikeouts	39	9

Walks	9	5

ERA	2.21	4.42

WHIP	0.98	1.61

Who Should I Trade? Player Notes
	Mason Miller RP - SD	William Kempner RP - MIA
News
	Mason Miller worked a clean inning for the save on Sunday against the Blue Jays. Ari Koslow Mon, Jul 13th	William Kempner remains shut down from throwing. Ari Koslow Fri, Jul 17th
	Mason Miller earned the save on Saturday against the Blue Jays. Ari Koslow Sun, Jul 12th	The Miami Marlins placed William Kempner on the 15-day injured list on Sunday due to a right elbow sprain. Nicholas Rodriguez Sun, Jul 12th
	Mason Miller worked a clean inning on Tuesday against the Diamondbacks for his 23rd save. Ari Koslow Wed, Jul 8th	The Marlins recalled William Kempner from Triple-A Jacksonville. Ari Koslow Fri, Jul 3rd
	Mason Miller earned his 22nd save of the season on Sunday against the Dodgers. Ari Koslow Mon, Jul 6th	The Marlins optioned RHP Will Kempner to Triple-A Jacksonville. Ari Koslow Tue, Jun 16th
	Mason Miller earned his 21st save of the season on Monday against the Braves. Ari Koslow Tue, Jun 23rd	The Marlins recalled RHP William Kempner from Triple-A Jacksoville. Ari Koslow Sat, May 30th
Notes
There are no recent notes for these players

Who Should I Trade? Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	Mason Miller RP - SD			William Kempner RP - MIA
Thu, Mar 26th	vs DET	Tarik Skubal (6-5)	#2
Fri, Mar 27th	vs DET	Framber Valdez (5-7)	#35	vs COL	Kyle Freeland (2-9)	#268
Sat, Mar 28th	vs DET	Jack Flaherty (3-8)	#72	vs COL	Michael Lorenzen (3-9)	#425
Mon, Mar 30th	vs SF	Landen Roupp (7-8)	#64	vs CWS	Davis Martin (9-5)	#91
Tue, Mar 31st	vs SF	Logan Webb (5-7)	#14	vs CWS	Erick Fedde (5-6)	#371
Wed, Apr 1st	vs SF	Adrian Houser (2-7)	#214	vs CWS	Shane Smith (0-2)	#197
Fri, Apr 3rd	@ BOS	Sonny Gray (12-1)	#28	@ NYY	Will Warren (7-4)	#62
Sat, Apr 4th	@ BOS	Connelly Early (7-5)	#137	@ NYY	Ryan Weathers (3-7)	#58
Sun, Apr 5th	@ BOS	Ranger Suarez (4-3)	#30	@ NYY	Max Fried (4-3)	#16
Mon, Apr 6th	@ PIT	Bubba Chandler (3-8)	#124	vs CIN	Brandon Williamson (2-3)	#418
Tue, Apr 7th	@ PIT	Paul Skenes (9-8)	#3	vs CIN	Andrew Abbott (5-6)	#108
Wed, Apr 8th	@ PIT	Mitch Keller (6-7)	#115	vs CIN	Brady Singer (5-9)	#152
Thu, Apr 9th	vs COL	Jimmy Herget (0-3)	#241	vs CIN	Rhett Lowder (3-7)	#209
Fri, Apr 10th	vs COL	Tomoyuki Sugano (9-4)	#433	@ DET	Keider Montero (7-5)	#154
Sat, Apr 11th	vs COL	Ryan Feltner (3-4)	#432	@ DET	Casey Mize (4-6)	#39
Sun, Apr 12th	vs COL	Kyle Freeland (2-9)	#268	@ DET	Tarik Skubal (6-5)	#2
Tue, Apr 14th	vs SEA	Bryan Woo (7-6)	#15	@ ATL	Reynaldo Lopez (4-3)	#90
Wed, Apr 15th	vs SEA	Emerson Hancock (6-4)	#94	@ ATL	Bryce Elder (6-6)	#146
Thu, Apr 16th	vs SEA	Luis Castillo (3-9)	#67
Fri, Apr 17th	@ LAA	Jose Soriano (8-6)	#45	vs MIL	Coleman Crow (0-1)	#228
Sat, Apr 18th	@ LAA	Yusei Kikuchi (0-3)	#138	vs MIL	Brandon Woodruff (2-2)
Sun, Apr 19th	@ LAA	Walbert Urena (6-7)	#243	vs MIL	Jacob Misiorowski (10-4)	#10
Tue, Apr 21st	@ COL	Jimmy Herget (0-3)	#241	vs STL	Dustin May (5-7)	#52
Wed, Apr 22nd	@ COL	Tomoyuki Sugano (9-4)	#433	vs STL	Kyle Leahy (7-4)	#123
Thu, Apr 23rd	@ COL	Ryan Feltner (3-4)	#432
Sat, Apr 25th	@ ARI	Zac Gallen (3-9)	#171	@ SF	Robbie Ray (8-6)	#84
Sun, Apr 26th	@ ARI	Ryne Nelson (3-5)	#198	@ SF	Landen Roupp (7-8)	#64
Mon, Apr 27th	vs CHC	Matthew Boyd (6-1)	#36	@ LAD	Yoshinobu Yamamoto (10-6)	#12
Tue, Apr 28th	vs CHC	Edward Cabrera (5-4)	#97	@ LAD	Shohei Ohtani (8-2)	#1
Wed, Apr 29th	vs CHC	Jameson Taillon (2-5)	#103	@ LAD	Tyler Glasnow (3-0)	#76
Fri, May 1st	vs CWS	Noah Schultz (3-7)	#230	vs PHI	Zack Wheeler (10-2)	#5
Sat, May 2nd	vs CWS	Sean Burke (7-4)	#83	vs PHI	Andrew Painter (1-8)	#247
Sun, May 3rd	vs CWS	Anthony Kay (7-4)	#201	vs PHI	Jesus Luzardo (9-4)	#9
Mon, May 4th	@ SF	Trevor McDonald (3-7)	#242	vs PHI	Aaron Nola (3-8)	#51
Tue, May 5th	@ SF	Logan Webb (5-7)	#14	vs BAL	Chris Bassitt (4-4)	#271
Wed, May 6th	@ SF	Adrian Houser (2-7)	#214	vs BAL	Brandon Young (8-2)	#132
Thu, May 7th	vs STL	Matthew Liberatore (5-7)	#117	vs BAL	Cade Povich (1-1)	#225
Fri, May 8th	vs STL	Michael McGreevy (4-7)	#88	vs WSH	Foster Griffin (11-2)	#59
Sat, May 9th	vs STL	Dustin May (5-7)	#52	vs WSH	Richard Lovelady (2-4)	#399
Sun, May 10th	vs STL	Kyle Leahy (7-4)	#123	vs WSH	Cade Cavalli (7-4)	#61
Tue, May 12th	@ MIL	Brandon Sproat (3-5)	#130	@ MIN	Bailey Ober (7-3)	#89
Wed, May 13th	@ MIL	Jacob Misiorowski (10-4)	#10	@ MIN	Simeon Woods Richardson (1-7)	#354
Thu, May 14th	@ MIL	Kyle Harrison (8-2)	#53	@ MIN	Zebby Matthews (4-7)	#111
Fri, May 15th	@ SEA	Emerson Hancock (6-4)	#94	@ TB	Ian Seymour (6-2)	#73
Sat, May 16th	@ SEA	Logan Gilbert (8-6)	#11	@ TB	Nick Martinez (9-2)	#106
Sun, May 17th	@ SEA	George Kirby (8-8)	#21	@ TB	Drew Rasmussen (8-5)	#17
Mon, May 18th	vs LAD	Yoshinobu Yamamoto (10-6)	#12	vs ATL	JR Ritchie (1-2)	#291
Tue, May 19th	vs LAD	Emmet Sheehan (4-7)	#37	vs ATL	Martin Perez (6-6)	#174
Wed, May 20th	vs LAD	Shohei Ohtani (8-2)	#1	vs ATL	Chris Sale (10-6)	#6
Fri, May 22nd	vs ATH	Jeffrey Springs (3-9)	#190	vs NYM	Tobias Myers (0-2)	#223
Sat, May 23rd	vs ATH	J.T. Ginn (8-6)	#144	vs NYM	Freddy Peralta (5-9)	#43
Sun, May 24th	vs ATH	Luis Medina (2-2)	#246	vs NYM	Christian Scott (3-2)	#60
Mon, May 25th	vs PHI	Jesus Luzardo (9-4)	#9	@ TOR	Trey Yesavage (4-5)	#79
Tue, May 26th	vs PHI	Aaron Nola (3-8)	#51	@ TOR	Braydon Fisher (3-3)	#159
Wed, May 27th	vs PHI	Cristopher Sanchez (12-4)	#4	@ TOR	Kevin Gausman (4-9)	#23
Fri, May 29th	@ WSH	Paxton Schultz		@ NYM	Freddy Peralta (5-9)	#43
Sat, May 30th	@ WSH	Foster Griffin (11-2)	#59	@ NYM	Christian Scott (3-2)	#60
Sun, May 31st	@ WSH	Zack Littell (7-7)	#179	@ NYM	Nolan McLean (7-6)	#31
Tue, Jun 2nd	@ PHI	Aaron Nola (3-8)	#51	@ WSH	Richard Lovelady (2-4)	#399
Wed, Jun 3rd	@ PHI	Cristopher Sanchez (12-4)	#4	@ WSH	Andrew Alvarez (2-3)	#151
Thu, Jun 4th	@ PHI	Zack Wheeler (10-2)	#5
Fri, Jun 5th	vs NYM	Christian Scott (3-2)	#60	vs TB	Drew Rasmussen (8-5)	#17
Sat, Jun 6th	vs NYM	Nolan McLean (7-6)	#31	vs TB	Shane McClanahan (8-6)	#33
Sun, Jun 7th	vs NYM	Huascar Brazoban (4-2)	#187	vs TB	Griffin Jax (6-7)	#57
Mon, Jun 8th	vs CIN	Andrew Abbott (5-6)	#108
Tue, Jun 9th	vs CIN	Chase Burns (12-1)	#22	vs ARI	Zac Gallen (3-9)	#171
Wed, Jun 10th	vs CIN	Brady Singer (5-9)	#152	vs ARI	Ryne Nelson (3-5)	#198
Fri, Jun 12th	@ BAL	Shane Baz (4-9)	#63	@ PIT	Braxton Ashcraft (9-4)	#26
Sat, Jun 13th	@ BAL	Trey Gibson (1-3)	#298	@ PIT	Bubba Chandler (3-8)	#124
Sun, Jun 14th	@ BAL	Trevor Rogers (6-7)	#68	@ PIT	Paul Skenes (9-8)	#3
Mon, Jun 15th	@ STL	Dustin May (5-7)	#52	@ PHI	Zack Wheeler (10-2)	#5
Tue, Jun 16th	@ STL	Andre Pallante (10-6)	#134	@ PHI	Jesus Luzardo (9-4)	#9
Wed, Jun 17th	@ STL	Kyle Leahy (7-4)	#123	@ PHI	Andrew Painter (1-8)	#247
Fri, Jun 19th	@ TEX	Jacob deGrom (7-6)	#7	vs SF	Landen Roupp (7-8)	#64
Sat, Jun 20th	@ TEX	MacKenzie Gore (6-8)	#34	vs SF	Trevor McDonald (3-7)	#242
Sun, Jun 21st	@ TEX	Nathan Eovaldi (9-8)	#19	vs SF	Logan Webb (5-7)	#14
Mon, Jun 22nd	vs ATL	Grant Holmes (6-4)	#150	vs TEX	Tyler Alexander (1-1)	#184
Tue, Jun 23rd	vs ATL	JR Ritchie (1-2)	#291	vs TEX	Cal Quantrill (3-3)	#299
Wed, Jun 24th	vs ATL	Martin Perez (6-6)	#174	vs TEX	Jacob deGrom (7-6)	#7
Fri, Jun 26th	vs LAD	Roki Sasaki (3-5)	#110	@ STL	Michael McGreevy (4-7)	#88
Sat, Jun 27th	vs LAD	Yoshinobu Yamamoto (10-6)	#12	@ STL	Andre Pallante (10-6)	#134
Sun, Jun 28th	vs LAD	Emmet Sheehan (4-7)	#37	@ STL	Kyle Leahy (7-4)	#123
Mon, Jun 29th	@ CHC	Shota Imanaga (6-8)	#27	@ COL	Sean Sullivan (0-3)	#429
Tue, Jun 30th	@ CHC	Matthew Boyd (6-1)	#36	@ COL	Tanner Gordon (0-2)	#340
Wed, Jul 1st	@ CHC	Colin Rea (7-7)	#193	@ COL	Kyle Freeland (2-9)	#268
Thu, Jul 2nd	@ LAD	Roki Sasaki (3-5)	#110	@ COL	Michael Lorenzen (3-9)	#425
Fri, Jul 3rd	@ LAD	Shohei Ohtani (8-2)	#1	@ ATH	Jack Perkins (2-5)	#118
Sat, Jul 4th	@ LAD	Yoshinobu Yamamoto (10-6)	#12	@ ATH	Aaron Civale (5-7)	#206
Sun, Jul 5th	@ LAD	Emmet Sheehan (4-7)	#37	@ ATH	Gage Jump (3-6)	#92
Mon, Jul 6th	vs ARI	Brandon Pfaadt (4-1)	#71
Tue, Jul 7th	vs ARI	Zac Gallen (3-9)	#171	vs SEA	Bryan Woo (7-6)	#15
Wed, Jul 8th	vs ARI			vs SEA	George Kirby (8-8)	#21
Thu, Jul 9th	vs ARI	Merrill Kelly (8-8)	#112	vs SEA	Bryce Miller (4-4)	#38
Fri, Jul 10th	vs TOR	Shane Bieber (1-1)	#80	vs CLE	Parker Messick (8-5)	#49
Sat, Jul 11th	vs TOR	Trey Yesavage (4-5)	#79	vs CLE	Tanner Bibee (4-9)	#48
Sun, Jul 12th	vs TOR	Kevin Gausman (4-9)	#23	vs CLE	Joey Cantillo (8-5)	#77
Fri, Jul 17th	@ KC	Seth Lugo (4-6)	#141	@ MIL	Logan Henderson (4-1)	#56
Sat, Jul 18th	@ KC	Randy Dobnak (0-0)	#431	@ MIL	Shane Drohan (5-3)	#81
Sun, Jul 19th	@ KC	Noah Cameron (5-8)	#98	@ MIL	Robert Gasser (2-4)	#133
Mon, Jul 20th	@ ATL	Bryce Elder (6-6)	#146	@ HOU	Ronel Blanco (0-0)	#142
Tue, Jul 21st	@ ATL	Reynaldo Lopez (4-3)	#90	@ HOU	Tatsuya Imai (6-4)	#128
Wed, Jul 22nd	@ ATL	Martin Perez (6-6)	#174	@ HOU	Peter Lambert (8-5)	#157
Thu, Jul 23rd	@ ATL	Chris Sale (10-6)	#6
Fri, Jul 24th	@ MIA	Max Meyer (9-1)	#82	vs SD	German Marquez (4-2)	#360
Sat, Jul 25th	@ MIA	Eury Perez (5-7)	#42	vs SD	JP Sears (2-3)	#143
Sun, Jul 26th	@ MIA	Janson Junk (4-6)	#121	vs SD	Walker Buehler (6-5)	#182
Tue, Jul 28th	vs COL	Michael Lorenzen (3-9)	#425	vs PHI	Aaron Nola (3-8)	#51
Wed, Jul 29th	vs COL	Gabriel Hughes (0-2)	#260	vs PHI	Jesus Luzardo (9-4)	#9
Thu, Jul 30th	vs SF	Robbie Ray (8-6)	#84	@ NYM	Nolan McLean (7-6)	#31
Fri, Jul 31st	vs SF			@ NYM	Freddy Peralta (5-9)	#43
Sat, Aug 1st	vs SF	Tyler Mahle (2-9)	#85	@ NYM
Sun, Aug 2nd	vs SF			@ NYM
Mon, Aug 3rd	@ ARI
Tue, Aug 4th	@ ARI			@ ATL
Wed, Aug 5th	@ ARI			@ ATL
Thu, Aug 6th	@ ARI			@ ATL
Fri, Aug 7th	vs HOU			vs LAA
Sat, Aug 8th	vs HOU			vs LAA
Sun, Aug 9th	vs HOU			vs LAA
Mon, Aug 10th	vs MIL
Tue, Aug 11th	vs MIL			vs PIT
Wed, Aug 12th	vs MIL			vs PIT
Fri, Aug 14th	@ CLE			@ CIN
Sat, Aug 15th	@ CLE			@ CIN
Sun, Aug 16th	@ CLE			@ CIN
Mon, Aug 17th	@ NYM			@ PHI
Tue, Aug 18th	@ NYM			@ PHI
Wed, Aug 19th	@ NYM			@ PHI
Fri, Aug 21st	vs MIN			vs WSH
Sat, Aug 22nd	vs MIN			vs WSH
Sun, Aug 23rd	vs MIN			vs WSH
Mon, Aug 24th	vs PIT			vs BOS
Tue, Aug 25th	vs PIT			vs BOS
Wed, Aug 26th	vs PIT			vs BOS
Fri, Aug 28th	@ TB			@ WSH
Sat, Aug 29th	@ TB			@ WSH
Sun, Aug 30th	@ TB			@ WSH
Mon, Aug 31st	@ CIN			@ WSH
Tue, Sep 1st	@ CIN			@ KC
Wed, Sep 2nd	@ CIN			@ KC
Fri, Sep 4th	vs NYY			vs CHC
Sat, Sep 5th	vs NYY			vs CHC
Sun, Sep 6th	vs NYY			vs CHC
Mon, Sep 7th	vs WSH			vs NYM
Tue, Sep 8th	vs WSH			vs NYM
Wed, Sep 9th	vs WSH			vs NYM
Fri, Sep 11th	@ SF			vs LAD
Sat, Sep 12th	@ SF			vs LAD
Sun, Sep 13th	@ SF			vs LAD
Mon, Sep 14th	@ COL			@ ARI
Tue, Sep 15th	@ COL			@ ARI
Wed, Sep 16th	@ COL			@ ARI
Thu, Sep 17th	@ COL
Fri, Sep 18th	vs MIA			@ SD
Sat, Sep 19th	vs MIA			@ SD
Sun, Sep 20th	vs MIA			@ SD
Tue, Sep 22nd	@ LAD			@ CHC
Wed, Sep 23rd	@ LAD			@ CHC
Thu, Sep 24th	@ LAD			@ CHC
Fri, Sep 25th	vs ARI			vs ATL
Sat, Sep 26th	vs ARI			vs ATL
Sun, Sep 27th	vs ARI			vs ATL
Sun, Mar 29th				vs COL	Jose Quintana (2-3)	#430
Mon, Apr 13th				@ ATL	Grant Holmes (6-4)	#150
Mon, Apr 20th				vs STL	Michael McGreevy (4-7)	#88
Fri, Apr 24th				@ SF	Adrian Houser (2-7)	#214
Thu, May 21st				vs ATL	Spencer Strider (4-2)	#202
Mon, Jun 1st				@ WSH	Cade Cavalli (7-4)	#61
Thu, Jun 11th				vs ARI	Merrill Kelly (8-8)	#112
Mon, Jul 27th				vs PHI	Zack Wheeler (10-2)	#5
Thu, Aug 13th				vs PIT
Thu, Sep 3rd				@ KC

Who Should I Trade?

Mason Miller for William Kempner (2026)

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