Who Should I Trade?

Kirby Yates for William Kempner (2026)

Summary
Stats
Projections
News & Notes
Schedule

Who Should I Trade? Player Summaries
	Experts' Pick
	Kirby Yates RP - PIT	William Kempner RP - MIA
Expert Recommendation	100% Recommended by 4 of 4 experts	0% Recommended by 0 of 4 experts
Rankings

Rest of Season	# 187	‐
VBR	# 404	# 1014

Projections

Strikeouts	20	7
Wins	1	0
Saves	2	0
ERA	3.90	4.60
WHIP	1.31	1.58

Misc

Injury Alert	-	IL15

Expert Ranks

Scott Pianowski Yahoo! Sports	# 182	‐

Mike Maher BettingPros	# 185	‐

Kelly Kirby FantasyPros	# 168	# 393

Kevin Spinelli KevScores	# 330	‐

Who Should I Trade? Player Statistics
	Kirby Yates RP - PIT	William Kempner RP - MIA
2026 Stats


Games Played	32	9

Games Started	0	0

Innings Pitched	28.1	12.1

Wins	0	1

Losses	5	0

Saves	3	0

Blown Saves	3	0

Holds	0	0

Hits Allowed	20	8

Earned Runs	12	4

Home Runs Allowed	2	1

Strikeouts	36	14

Walks	12	4

ERA	3.81	2.92

WHIP	1.13	0.97

Who Should I Trade? Player Projections
	Kirby Yates RP - PIT	William Kempner RP - MIA
2026 Projections


Games Played	20	9

Games Started	0	0

Innings Pitched	17.2	6.0

Wins	1	0

Losses	1	0

Saves	2	0

Blown Saves	0	0

Holds	3	0

Hits Allowed	14	5

Earned Runs	7	3

Home Runs Allowed	2	1

Strikeouts	20	7

Walks	8	3

ERA	3.90	4.60

WHIP	1.31	1.58

Who Should I Trade? Player Notes
	Kirby Yates RP - PIT	William Kempner RP - MIA
News
	The Pirates activated Kirby Yates. Ari Koslow Tue, Aug 4th	William Kempner remains shut down from throwing. Ari Koslow Fri, Jul 17th
	The Angels have traded right-hander Kirby Yates to the Pirates in exchange for right-handed pitching prospect Kyle Robinson. Brenton Kemp Mon, Aug 3rd	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
	Kirby Yates allowed one hit in a scoreless frame to earn the save in a 4-3 win over the Twins. Chris Schommer Sat, Jul 11th	The Marlins recalled William Kempner from Triple-A Jacksonville. Ari Koslow Fri, Jul 3rd
	Kirby Yates struck out one batter to earn the save in Saturday's 5-2 win over the Athletics. Chris Schommer Sun, Jun 28th	The Marlins optioned RHP Will Kempner to Triple-A Jacksonville. Ari Koslow Tue, Jun 16th
	Kirby Yates pitched a perfect ninth inning for his first save of the season on Saturday, securing a 5-2 Angels' win over the Rangers. David Leisering Sun, May 24th	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
	Kirby Yates RP - PIT			William Kempner RP - MIA
Thu, Mar 26th	@ NYM	Freddy Peralta (5-9)	#50
Sat, Mar 28th	@ NYM	David Peterson (6-7)	#89	vs COL	Michael Lorenzen (3-10)	#432
Sun, Mar 29th	@ NYM	Nolan McLean (7-7)	#34	vs COL	Jose Quintana (2-3)	#429
Mon, Mar 30th	@ CIN	Chase Burns (13-1)	#26	vs CWS	Davis Martin (9-6)	#80
Tue, Mar 31st	@ CIN	Brandon Williamson (2-3)	#328	vs CWS	Erick Fedde (6-6)	#367
Wed, Apr 1st	@ CIN	Andrew Abbott (5-7)	#110	vs CWS	Shane Smith (0-2)	#216
Fri, Apr 3rd	vs BAL	Kyle Bradish (7-10)	#44	@ NYY	Will Warren (8-5)	#64
Sat, Apr 4th	vs BAL	Shane Baz (4-10)	#63	@ NYY	Ryan Weathers (5-7)	#66
Sun, Apr 5th	vs BAL	Chris Bassitt (4-4)	#135	@ NYY	Max Fried (4-3)	#14
Mon, Apr 6th	vs SD	German Marquez (4-2)	#390	vs CIN	Brandon Williamson (2-3)	#328
Tue, Apr 7th	vs SD	Nick Pivetta (1-2)	#76	vs CIN	Andrew Abbott (5-7)	#110
Wed, Apr 8th	vs SD	Michael King (6-8)	#57	vs CIN	Brady Singer (5-10)	#151
Fri, Apr 10th	@ CHC	Shota Imanaga (7-9)	#28	@ DET	Keider Montero (8-6)	#104
Sat, Apr 11th	@ CHC	Edward Cabrera (5-4)	#83	@ DET	Casey Mize (4-6)	#37
Sun, Apr 12th	@ CHC	Jameson Taillon (2-6)	#146	@ DET	Tarik Skubal (7-6)	#2
Mon, Apr 13th	vs WSH	Cade Cavalli (8-5)	#52	@ ATL	Grant Holmes (7-4)	#182
Tue, Apr 14th	vs WSH	PJ Poulin (3-0)	#366	@ ATL	Reynaldo Lopez (4-3)	#112
Wed, Apr 15th	vs WSH	Jake Irvin (2-5)	#166	@ ATL	Bryce Elder (7-6)	#139
Thu, Apr 16th	vs WSH	Foster Griffin (12-3)	#53
Fri, Apr 17th	vs TB	Nick Martinez (10-3)	#100	vs MIL	Coleman Crow (0-1)	#233
Sat, Apr 18th	vs TB	Drew Rasmussen (10-5)	#17	vs MIL	Brandon Woodruff (2-2)
Sun, Apr 19th	vs TB	Shane McClanahan (9-6)	#68	vs MIL	Jacob Misiorowski (11-5)	#5
Tue, Apr 21st	@ TEX	Kumar Rocker (4-8)	#82	vs STL	Dustin May (5-7)	#56
Wed, Apr 22nd	@ TEX	Jack Leiter (3-7)	#125	vs STL	Kyle Leahy (7-4)	#128
Thu, Apr 23rd	@ TEX	Jacob deGrom (7-7)	#11
Fri, Apr 24th	@ MIL	Brandon Woodruff (2-2)		@ SF	Adrian Houser (2-7)	#187
Sat, Apr 25th	@ MIL	Jacob Misiorowski (11-5)	#5	@ SF	Robbie Ray (10-6)	#97
Sun, Apr 26th	@ MIL	Kyle Harrison (8-2)	#43	@ SF	Landen Roupp (7-10)	#61
Mon, Apr 27th	vs STL	Dustin May (5-7)	#56	@ LAD	Yoshinobu Yamamoto (11-7)	#13
Tue, Apr 28th	vs STL	Kyle Leahy (7-4)	#128	@ LAD	Shohei Ohtani (8-2)	#1
Wed, Apr 29th	vs STL	Andre Pallante (11-6)	#111	@ LAD	Tyler Glasnow (3-0)	#59
Thu, Apr 30th	vs STL	Hunter Dobbins (2-2)	#163
Fri, May 1st	vs CIN	Brady Singer (5-10)	#151	vs PHI	Zack Wheeler (10-2)	#6
Sat, May 2nd	vs CIN	Rhett Lowder (3-7)	#279	vs PHI	Andrew Painter (1-8)	#207
Sun, May 3rd	vs CIN	Chase Burns (13-1)	#26	vs PHI	Jesus Luzardo (10-5)	#10
Tue, May 5th	@ ARI	Eduardo Rodriguez (10-4)	#129	vs BAL	Chris Bassitt (4-4)	#135
Wed, May 6th	@ ARI	Michael Soroka (8-3)	#69	vs BAL	Brandon Young (8-2)	#132
Thu, May 7th	@ ARI	Zac Gallen (3-9)	#228	vs BAL	Cade Povich (2-1)	#210
Fri, May 8th	@ SF	Robbie Ray (10-6)	#97	vs WSH	Foster Griffin (12-3)	#53
Sat, May 9th	@ SF	Landen Roupp (7-10)	#61	vs WSH	Richard Lovelady (2-4)	#407
Sun, May 10th	@ SF	Tyler Mahle (3-9)	#99	vs WSH	Cade Cavalli (8-5)	#52
Tue, May 12th	vs COL	Michael Lorenzen (3-10)	#432	@ MIN	Bailey Ober (7-3)	#84
Wed, May 13th	vs COL	Jose Quintana (2-3)	#429	@ MIN	Simeon Woods Richardson (1-7)
Thu, May 14th	vs COL	Chase Dollander (3-3)		@ MIN	Zebby Matthews (4-8)	#131
Fri, May 15th	vs PHI	Aaron Nola (3-9)	#55	@ TB	Ian Seymour (8-3)	#87
Sat, May 16th	vs PHI	Cristopher Sanchez (14-4)	#4	@ TB	Nick Martinez (10-3)	#100
Sun, May 17th	vs PHI	Zack Wheeler (10-2)	#6	@ TB	Drew Rasmussen (10-5)	#17
Tue, May 19th	@ STL	Matthew Liberatore (5-8)	#115	vs ATL	Martin Perez (7-6)	#204
Wed, May 20th	@ STL	Michael McGreevy (4-9)	#98	vs ATL	Chris Sale (12-6)	#7
Thu, May 21st	@ STL	Dustin May (5-7)	#56	vs ATL	Spencer Strider (4-2)	#333
Fri, May 22nd	@ TOR	Kevin Gausman (5-10)	#25	vs NYM	Tobias Myers (0-2)	#205
Sat, May 23rd	@ TOR	Patrick Corbin (3-4)	#296	vs NYM	Freddy Peralta (5-9)	#50
Sun, May 24th	@ TOR	Dylan Cease (7-5)	#8	vs NYM	Christian Scott (3-3)	#45
Mon, May 25th	vs CHC	Ben Brown (4-2)	#140	@ TOR	Trey Yesavage (5-5)	#73
Tue, May 26th	vs CHC	Jordan Wicks (0-2)	#322	@ TOR	Braydon Fisher (3-3)	#177
Wed, May 27th	vs CHC	Jameson Taillon (2-6)	#146	@ TOR	Kevin Gausman (5-10)	#25
Thu, May 28th	vs CHC	Colin Rea (8-8)	#168
Fri, May 29th	vs MIN	Taj Bradley (9-4)	#48	@ NYM	Freddy Peralta (5-9)	#50
Sat, May 30th	vs MIN	Bailey Ober (7-3)	#84	@ NYM	Christian Scott (3-3)	#45
Sun, May 31st	vs MIN	Zebby Matthews (4-8)	#131	@ NYM	Nolan McLean (7-7)	#34
Tue, Jun 2nd	@ HOU	Mike Burrows (4-9)	#222	@ WSH	Richard Lovelady (2-4)	#407
Wed, Jun 3rd	@ HOU	Spencer Arrighetti (7-5)	#276	@ WSH	Andrew Alvarez (2-3)	#200
Thu, Jun 4th	@ HOU	Kai-Wei Teng (5-6)	#259
Fri, Jun 5th	@ ATL	Martin Perez (7-6)	#204	vs TB	Drew Rasmussen (10-5)	#17
Sat, Jun 6th	@ ATL	Spencer Strider (4-2)	#333	vs TB	Shane McClanahan (9-6)	#68
Sun, Jun 7th	@ ATL	Bryce Elder (7-6)	#139	vs TB	Griffin Jax (6-9)	#49
Tue, Jun 9th	vs LAD	Eric Lauer (6-5)	#309	vs ARI	Zac Gallen (3-9)	#228
Wed, Jun 10th	vs LAD	Shohei Ohtani (8-2)	#1	vs ARI	Ryne Nelson (3-5)	#194
Thu, Jun 11th	vs LAD	Justin Wrobleski (11-3)	#94	vs ARI	Merrill Kelly (8-9)	#126
Fri, Jun 12th	vs MIA	Sandy Alcantara (12-6)	#58	@ PIT	Braxton Ashcraft (11-4)	#31
Sat, Jun 13th	vs MIA	Lake Bachar (1-2)	#212	@ PIT	Bubba Chandler (4-8)	#101
Sun, Jun 14th	vs MIA	Max Meyer (9-1)	#86	@ PIT	Paul Skenes (9-9)	#3
Mon, Jun 15th	@ ATH	J.T. Ginn (8-6)	#160	@ PHI	Zack Wheeler (10-2)	#6
Tue, Jun 16th	@ ATH	Jack Perkins (2-7)	#95	@ PHI	Jesus Luzardo (10-5)	#10
Wed, Jun 17th	@ ATH	Aaron Civale (5-7)	#189	@ PHI	Andrew Painter (1-8)	#207
Fri, Jun 19th	@ COL	Kyle Freeland (3-10)	#318	vs SF	Landen Roupp (7-10)	#61
Sat, Jun 20th	@ COL	Tomoyuki Sugano (11-4)	#435	vs SF	Trevor McDonald (3-7)
Sun, Jun 21st	@ COL	Michael Lorenzen (3-10)	#432	vs SF	Logan Webb (7-7)	#16
Tue, Jun 23rd	vs SEA	George Kirby (8-9)	#19	vs TEX	Cal Quantrill (4-4)	#267
Wed, Jun 24th	vs SEA	Bryan Woo (7-8)	#12	vs TEX	Jacob deGrom (7-7)	#11
Thu, Jun 25th	vs SEA	Bryce Miller (4-5)	#33
Fri, Jun 26th	vs CIN	Andrew Abbott (5-7)	#110	@ STL	Michael McGreevy (4-9)	#98
Sat, Jun 27th	vs CIN	Chase Burns (13-1)	#26	@ STL	Andre Pallante (11-6)	#111
Sun, Jun 28th	vs CIN	Brady Singer (5-10)	#151	@ STL	Kyle Leahy (7-4)	#128
Mon, Jun 29th	@ PHI	Aaron Nola (3-9)	#55	@ COL	Sean Sullivan (0-3)	#427
Tue, Jun 30th	@ PHI	Cristopher Sanchez (14-4)	#4	@ COL	Tanner Gordon (0-2)	#422
Wed, Jul 1st	@ PHI	Zack Wheeler (10-2)	#6	@ COL	Kyle Freeland (3-10)	#318
Thu, Jul 2nd	@ PHI	Alan Rangel (0-3)	#268	@ COL	Michael Lorenzen (3-10)	#432
Fri, Jul 3rd	@ WSH	Foster Griffin (12-3)	#53	@ ATH	Jack Perkins (2-7)	#95
Sat, Jul 4th	@ WSH	Carson Palmquist (0-2)	#292	@ ATH	Aaron Civale (5-7)	#189
Sun, Jul 5th	@ WSH	Cade Cavalli (8-5)	#52	@ ATH	Gage Jump (4-7)	#81
Tue, Jul 7th	vs ATL	Hurston Waldrep (0-1)	#383	vs SEA	Bryan Woo (7-8)	#12
Wed, Jul 8th	vs ATL	Grant Holmes (7-4)	#182	vs SEA	George Kirby (8-9)	#19
Thu, Jul 9th	vs ATL	Bryce Elder (7-6)	#139	vs SEA	Bryce Miller (4-5)	#33
Sat, Jul 11th	vs MIL	Shane Drohan (6-4)	#71	vs CLE	Tanner Bibee (4-11)	#51
Sun, Jul 12th	vs MIL	Robert Gasser (3-4)	#109	vs CLE	Joey Cantillo (8-7)	#85
Sat, Jul 18th	@ CLE	Logan Allen (0-0)	#183	@ MIL	Shane Drohan (6-4)	#71
Sun, Jul 19th	@ CLE	Joey Cantillo (8-7)	#85	@ MIL	Robert Gasser (3-4)	#109
Mon, Jul 20th	@ NYY	Ryan Weathers (5-7)	#66	@ HOU	Ronel Blanco (0-1)	#130
Wed, Jul 22nd	@ NYY	Max Fried (4-3)	#14	@ HOU	Peter Lambert (8-5)	#116
Fri, Jul 24th	vs CHC	Matthew Boyd (7-1)	#38	vs SD	German Marquez (4-2)	#390
Sat, Jul 25th	vs CHC	Shota Imanaga (7-9)	#28	vs SD	Randy Vasquez (7-6)	#378
Sun, Jul 26th	vs CHC	Jameson Taillon (2-6)	#146	vs SD	Walker Buehler (6-5)	#248
Mon, Jul 27th	vs ARI	Merrill Kelly (8-9)	#126	vs PHI	Zack Wheeler (10-2)	#6
Tue, Jul 28th	vs ARI	Brandon Pfaadt (6-1)	#90	vs PHI	Aaron Nola (3-9)	#55
Wed, Jul 29th	vs ARI	Eduardo Rodriguez (10-4)	#129	vs PHI	Jesus Luzardo (10-5)	#10
Thu, Jul 30th	@ CIN	Rhett Lowder (3-7)	#279	@ NYM	Nolan McLean (7-7)	#34
Fri, Jul 31st	@ CIN	Hunter Greene (2-2)	#29	@ NYM	Kodai Senga (0-8)	#133
Sat, Aug 1st	@ CIN	Andrew Abbott (5-7)	#110	@ NYM	Zac Thornton (2-2)	#156
Sun, Aug 2nd	@ CIN	Chase Burns (13-1)	#26	@ NYM	Robert Stock (0-1)	#301
Mon, Aug 3rd	@ MIL	Brandon Sproat (3-7)	#149
Tue, Aug 4th	@ MIL	Logan Henderson (6-1)	#39	@ ATL	Grant Holmes (7-4)	#182
Wed, Aug 5th	@ MIL	Kyle Harrison (8-2)	#43	@ ATL	Bryce Elder (7-6)	#139
Thu, Aug 6th	@ MIL	Dustin May (5-7)	#56	@ ATL	Martin Perez (7-6)	#204
Fri, Aug 7th	vs NYM	Zac Thornton (2-2)	#156	vs LAA	Brett Kerry (0-0)	#323
Sat, Aug 8th	vs NYM			vs LAA	Walbert Urena (7-7)	#263
Sun, Aug 9th	vs NYM	Sean Manaea (3-5)	#74	vs LAA	Grayson Rodriguez (3-4)	#127
Tue, Aug 11th	@ MIA	Eury Perez (5-8)	#41	vs PIT	Paul Skenes (9-9)	#3
Wed, Aug 12th	@ MIA	Janson Junk (5-6)	#119	vs PIT	Braxton Ashcraft (11-4)	#31
Thu, Aug 13th	@ MIA	Tyler Phillips (3-5)	#264	vs PIT	Carmen Mlodzinski (6-3)	#120
Fri, Aug 14th	vs BOS	Patrick Sandoval (1-0)	#121	@ CIN	Chase Burns (13-1)	#26
Sat, Aug 15th	vs BOS			@ CIN
Sun, Aug 16th	vs BOS			@ CIN
Mon, Aug 17th	vs DET			@ PHI
Tue, Aug 18th	vs DET			@ PHI
Wed, Aug 19th	vs DET			@ PHI
Fri, Aug 21st	@ LAD			vs WSH
Sat, Aug 22nd	@ LAD			vs WSH
Sun, Aug 23rd	@ LAD			vs WSH
Mon, Aug 24th	@ SD			vs BOS
Tue, Aug 25th	@ SD			vs BOS
Wed, Aug 26th	@ SD			vs BOS
Fri, Aug 28th	@ STL			@ WSH
Sat, Aug 29th	@ STL			@ WSH
Sun, Aug 30th	@ STL			@ WSH
Tue, Sep 1st	vs SF			@ KC
Wed, Sep 2nd	vs SF			@ KC
Thu, Sep 3rd	vs SF			@ KC
Fri, Sep 4th	vs LAA			vs CHC
Sat, Sep 5th	vs LAA			vs CHC
Sun, Sep 6th	vs LAA			vs CHC
Tue, Sep 8th	@ CWS			vs NYM
Wed, Sep 9th	@ CWS			vs NYM
Thu, Sep 10th	@ CWS
Fri, Sep 11th	@ CHC			vs LAD
Sat, Sep 12th	@ CHC			vs LAD
Sun, Sep 13th	@ CHC			vs LAD
Tue, Sep 15th	vs MIL			@ ARI
Wed, Sep 16th	vs MIL			@ ARI
Thu, Sep 17th	vs MIL
Fri, Sep 18th	vs KC			@ SD
Sat, Sep 19th	vs KC			@ SD
Sun, Sep 20th	vs KC			@ SD
Tue, Sep 22nd	vs STL			@ CHC
Wed, Sep 23rd	vs STL			@ CHC
Thu, Sep 24th	vs STL			@ CHC
Fri, Sep 25th	@ DET			vs ATL
Sat, Sep 26th	@ DET			vs ATL
Sun, Sep 27th	@ DET			vs ATL
Fri, Mar 27th				vs COL	Kyle Freeland (3-10)	#318
Thu, Apr 9th				vs CIN	Rhett Lowder (3-7)	#279
Mon, Apr 20th				vs STL	Michael McGreevy (4-9)	#98
Mon, May 4th				vs PHI	Aaron Nola (3-9)	#55
Mon, May 18th				vs ATL	JR Ritchie (1-2)	#290
Mon, Jun 1st				@ WSH	Cade Cavalli (8-5)	#52
Mon, Jun 22nd				vs TEX	Tyler Alexander (1-2)	#172
Fri, Jul 10th				vs CLE	Parker Messick (8-6)	#42
Fri, Jul 17th				@ MIL	Logan Henderson (6-1)	#39
Tue, Jul 21st				@ HOU	Tatsuya Imai (6-4)	#143
Mon, Aug 31st				@ WSH
Mon, Sep 7th				vs NYM
Mon, Sep 14th				@ ARI

Who Should I Trade?

Kirby Yates for William Kempner (2026)

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