Who Should I Trade?

Marcelo Mayer for Matt Chapman (2026)

Summary
Stats
Projections
News & Notes
Schedule

Who Should I Trade? Player Summaries
	Experts' Pick
	Matt Chapman 3B - SF	Marcelo Mayer 2B,3B,SS - SF
Expert Recommendation	100% Recommended by 5 of 5 experts	0% Recommended by 0 of 5 experts
Rankings

Rest of Season	# 124	# 274
VBR	‐	# 645

Projections

Runs	‐	10
Home Runs	‐	2
RBI	‐	10
Stolen Bases	‐	1
Batting Average	‐	.233

Misc

Injury Alert	IL60	IL10

Expert Ranks

Dalton Del Don The Deep Shot	# 95	‐

Chris Welsh FantasyPros	# 106	‐

Mike Maher BettingPros	# 61	# 241

Kelly Kirby FantasyPros	# 202	# 234

Kevin Spinelli KevScores	# 163	# 360

Who Should I Trade? Player Statistics
	Matt Chapman 3B - SF	Marcelo Mayer 2B,3B,SS - SF
2026 Stats


At Bats	307	205

Runs	35	19

Hits	71	45

Singles	45	32

Doubles	18	10

Triples	1	0

Home Runs	7	3

RBI	42	22

Stolen Bases	0	3

Caught Stealing	2	0

Walks	37	16

Strikeouts	81	44

Batting Average	.231	.220

On Base Pct	.321	.282

Slugging Pct	.365	.312

On-base Plus Slugging	.686	.594

Who Should I Trade? Player Projections
	Matt Chapman 3B - SF	Marcelo Mayer 2B,3B,SS - SF
2026 Projections


At Bats	‐	85

Runs	‐	10

Hits	‐	20

Singles	‐	13

Doubles	‐	5

Triples	‐	0

Home Runs	‐	2

RBI	‐	10

Stolen Bases	‐	1

Caught Stealing	‐	0

Walks	‐	7

Strikeouts	‐	22

Batting Average	‐	.233

On Base Pct	‐	.296

Slugging Pct	‐	.364

On-base Plus Slugging	‐	.659

Who Should I Trade? Player Notes
	Matt Chapman 3B - SF	Marcelo Mayer 2B,3B,SS - SF
News
	Matt Chapman told reporters he underwent successful surgery. Ari Koslow Sat, Aug 15th	Marcelo Mayer is expected to join Triple-A Sacramento on a rehab assignment next week. Ari Koslow Fri, Aug 7th
	The Giants transferred INF Matt Chapman to the 60-day injured list. Ari Koslow Fri, Aug 14th	Marcelo Mayer will be re-evaluated by the Giants on Wednesday. Ari Koslow Tue, Aug 4th
	Matt Chapman will undergo season-ending abdominal surgery on Tuesday. Ari Koslow Mon, Aug 10th	The Giants are acquiring Marcelo Mayer from the Red Sox for Erik Miller. Ari Koslow Mon, Aug 3rd
	Matt Chapman is likely to undergo season-ending surgery on Tuesday. Ari Koslow Fri, Aug 7th	Marcelo Mayer has progressed in his hitting program and has begun to hit off a tee. Nicholas Rodriguez Sun, Jul 26th
	Matt Chapman will visit a specialist on his abdomen injury. Ari Koslow Tue, Aug 4th	Marcelo Mayer has been cleared to start a hitting program. Ari Koslow Mon, Jul 20th
Notes
There are no recent notes for these players

Who Should I Trade? Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	Matt Chapman 3B - SF			Marcelo Mayer 2B,3B,SS - SF
Wed, Mar 25th	vs NYY	Max Fried (4-4)	#15	vs NYY	Max Fried (4-4)	#15
Fri, Mar 27th	vs NYY	Cam Schlittler (10-6)	#14	vs NYY	Cam Schlittler (10-6)	#14
Sat, Mar 28th	vs NYY	Will Warren (8-6)	#69	vs NYY	Will Warren (8-6)	#69
Mon, Mar 30th	@ SD	Walker Buehler (7-6)	#258	@ SD	Walker Buehler (7-6)	#258
Tue, Mar 31st	@ SD	German Marquez (4-2)	#412	@ SD	German Marquez (4-2)	#412
Wed, Apr 1st	@ SD	Nick Pivetta (1-2)	#121	@ SD	Nick Pivetta (1-2)	#121
Thu, Apr 2nd	vs NYM	David Peterson (7-7)	#147	vs NYM	David Peterson (7-7)	#147
Fri, Apr 3rd	vs NYM	Nolan McLean (9-8)	#28	vs NYM	Nolan McLean (9-8)	#28
Sat, Apr 4th	vs NYM	Clay Holmes (5-5)	#72	vs NYM	Clay Holmes (5-5)	#72
Sun, Apr 5th	vs NYM	Kodai Senga (0-8)	#111	vs NYM	Kodai Senga (0-8)	#111
Mon, Apr 6th	vs PHI	Andrew Painter (2-8)	#169	vs PHI	Andrew Painter (2-8)	#169
Tue, Apr 7th	vs PHI	Cristopher Sanchez (16-4)	#3	vs PHI	Cristopher Sanchez (16-4)	#3
Wed, Apr 8th	vs PHI	Aaron Nola (4-9)	#58	vs PHI	Aaron Nola (4-9)	#58
Fri, Apr 10th	@ BAL	Shane Baz (4-12)	#57	@ BAL	Shane Baz (4-12)	#57
Sat, Apr 11th	@ BAL	Chris Bassitt (4-4)	#188	@ BAL	Chris Bassitt (4-4)	#188
Sun, Apr 12th	@ BAL	Cade Povich (2-1)	#213	@ BAL	Cade Povich (2-1)	#213
Tue, Apr 14th	@ CIN	Brady Singer (5-11)	#175	@ CIN	Brady Singer (5-11)	#175
Wed, Apr 15th	@ CIN	Rhett Lowder (4-8)	#178	@ CIN	Rhett Lowder (4-8)	#178
Thu, Apr 16th	@ CIN	Chase Burns (14-2)	#26	@ CIN	Chase Burns (14-2)	#26
Fri, Apr 17th	@ WSH	Zack Littell (8-8)	#197	@ WSH	Zack Littell (8-8)	#197
Sat, Apr 18th	@ WSH	Cade Cavalli (10-5)	#44	@ WSH	Cade Cavalli (10-5)	#44
Sun, Apr 19th	@ WSH	PJ Poulin (3-0)	#356	@ WSH	PJ Poulin (3-0)	#356
Tue, Apr 21st	vs LAD	Yoshinobu Yamamoto (12-7)	#12	vs LAD	Yoshinobu Yamamoto (12-7)	#12
Wed, Apr 22nd	vs LAD	Shohei Ohtani (8-2)	#1	vs LAD	Shohei Ohtani (8-2)	#1
Thu, Apr 23rd	vs LAD	Tyler Glasnow (3-0)	#35	vs LAD	Tyler Glasnow (3-0)	#35
Fri, Apr 24th	vs MIA	Sandy Alcantara (13-7)	#66	vs MIA	Sandy Alcantara (13-7)	#66
Sat, Apr 25th	vs MIA	Eury Perez (6-9)	#34	vs MIA	Eury Perez (6-9)	#34
Sun, Apr 26th	vs MIA	Max Meyer (9-1)	#138	vs MIA	Max Meyer (9-1)	#138
Tue, Apr 28th	@ PHI	Jesus Luzardo (11-5)	#11	@ PHI	Jesus Luzardo (11-5)	#11
Thu, Apr 30th	@ PHI	Tim Mayza (3-3)	#154	@ PHI	Tim Mayza (3-3)	#154
Fri, May 1st	@ TB	Shane McClanahan (9-6)	#38	@ TB	Shane McClanahan (9-6)	#38
Sat, May 2nd	@ TB	Griffin Jax (6-9)	#93	@ TB	Griffin Jax (6-9)	#93
Sun, May 3rd	@ TB	Steven Matz (5-4)	#173	@ TB	Steven Matz (5-4)	#173
Mon, May 4th	vs SD	Randy Vasquez (8-6)	#283	vs SD	Randy Vasquez (8-6)	#283
Tue, May 5th	vs SD	Walker Buehler (7-6)	#258	vs SD	Walker Buehler (7-6)	#258
Wed, May 6th	vs SD	Bradgley Rodriguez (3-2)	#144	vs SD	Bradgley Rodriguez (3-2)	#144
Fri, May 8th	vs PIT	Carmen Mlodzinski (6-6)	#106	vs PIT	Carmen Mlodzinski (6-6)	#106
Sat, May 9th	vs PIT	Braxton Ashcraft (12-5)	#30	vs PIT	Braxton Ashcraft (12-5)	#30
Sun, May 10th	vs PIT	Bubba Chandler (6-8)	#117	vs PIT	Bubba Chandler (6-8)	#117
Mon, May 11th	@ LAD	Roki Sasaki (5-5)	#91	@ LAD	Roki Sasaki (5-5)	#91
Tue, May 12th	@ LAD	Yoshinobu Yamamoto (12-7)	#12	@ LAD	Yoshinobu Yamamoto (12-7)	#12
Wed, May 13th	@ LAD	Shohei Ohtani (8-2)	#1	@ LAD	Shohei Ohtani (8-2)	#1
Thu, May 14th	@ LAD	Emmet Sheehan (4-8)	#137	@ LAD	Emmet Sheehan (4-8)	#137
Fri, May 15th	@ ATH	Aaron Civale (5-7)	#155	@ ATH	Aaron Civale (5-7)	#155
Sat, May 16th	@ ATH	Luis Severino (2-6)		@ ATH	Luis Severino (2-6)
Sun, May 17th	@ ATH	Jeffrey Springs (3-11)	#300	@ ATH	Jeffrey Springs (3-11)	#300
Mon, May 18th	@ ARI	Zac Gallen (3-9)	#216	@ ARI	Zac Gallen (3-9)	#216
Tue, May 19th	@ ARI	Ryne Nelson (3-5)	#301	@ ARI	Ryne Nelson (3-5)	#301
Wed, May 20th	@ ARI	Merrill Kelly (8-10)	#152	@ ARI	Merrill Kelly (8-10)	#152
Fri, May 22nd	vs CWS	Davis Martin (9-6)	#166	vs CWS	Davis Martin (9-6)	#166
Sat, May 23rd	vs CWS	Bryan Hudson (3-4)	#135	vs CWS	Bryan Hudson (3-4)	#135
Sun, May 24th	vs CWS	Noah Schultz (3-9)	#371	vs CWS	Noah Schultz (3-9)	#371
Mon, May 25th	vs ARI	Merrill Kelly (8-10)	#152	vs ARI	Merrill Kelly (8-10)	#152
Tue, May 26th	vs ARI	Eduardo Rodriguez (12-4)	#120	vs ARI	Eduardo Rodriguez (12-4)	#120
Wed, May 27th	vs ARI	Michael Soroka (8-3)	#62	vs ARI	Michael Soroka (8-3)	#62
Fri, May 29th	@ COL	Michael Lorenzen (3-11)	#438	@ COL	Michael Lorenzen (3-11)	#438
Sat, May 30th	@ COL	Ryan Feltner (5-6)	#437	@ COL	Ryan Feltner (5-6)	#437
Sun, May 31st	@ COL	Tanner Gordon (0-3)	#319	@ COL	Tanner Gordon (0-3)	#319
Mon, Jun 1st	@ MIL	Shane Drohan (6-4)	#142	@ MIL	Shane Drohan (6-4)	#142
Tue, Jun 2nd	@ MIL	Kyle Harrison (9-3)	#47	@ MIL	Kyle Harrison (9-3)	#47
Wed, Jun 3rd	@ MIL	Robert Gasser (3-5)	#83	@ MIL	Robert Gasser (3-5)	#83
Thu, Jun 4th	@ MIL	Coleman Crow (0-1)	#311	@ MIL	Coleman Crow (0-1)	#311
Fri, Jun 5th	@ CHC	Edward Cabrera (5-5)	#81	@ CHC	Edward Cabrera (5-5)	#81
Sat, Jun 6th	@ CHC	Ben Brown (4-2)	#244	@ CHC	Ben Brown (4-2)	#244
Sun, Jun 7th	@ CHC	Jameson Taillon (2-6)	#221	@ CHC	Jameson Taillon (2-6)	#221
Mon, Jun 8th	vs WSH	Richard Lovelady (2-4)	#339	vs WSH	Richard Lovelady (2-4)	#339
Tue, Jun 9th	vs WSH	Andrew Alvarez (2-4)	#168	vs WSH	Andrew Alvarez (2-4)	#168
Wed, Jun 10th	vs WSH	Foster Griffin (13-4)	#46	vs WSH	Foster Griffin (13-4)	#46
Fri, Jun 12th	vs CHC	Javier Assad (6-1)	#214	vs CHC	Javier Assad (6-1)	#214
Sat, Jun 13th	vs CHC	Ben Brown (4-2)	#244	vs CHC	Ben Brown (4-2)	#244
Sun, Jun 14th	vs CHC	Ryan Rolison		vs CHC	Ryan Rolison
Wed, Jun 17th	@ ATL	JR Ritchie (1-2)	#247	@ ATL	JR Ritchie (1-2)	#247
Fri, Jun 19th	@ MIA	Lake Bachar (1-2)	#199	@ MIA	Lake Bachar (1-2)	#199
Sat, Jun 20th	@ MIA	Max Meyer (9-1)	#138	@ MIA	Max Meyer (9-1)	#138
Sun, Jun 21st	@ MIA	Ryan Gusto (0-3)	#179	@ MIA	Ryan Gusto (0-3)	#179
Tue, Jun 23rd	vs ATH	Aaron Civale (5-7)	#155	vs ATH	Aaron Civale (5-7)	#155
Wed, Jun 24th	vs ATH	Gage Jump (5-7)	#94	vs ATH	Gage Jump (5-7)	#94
Thu, Jun 25th	vs ATH	Jeffrey Springs (3-11)	#300	vs ATH	Jeffrey Springs (3-11)	#300
Fri, Jun 26th	vs ATL	Reynaldo Lopez (4-3)	#105	vs ATL	Reynaldo Lopez (4-3)	#105
Sat, Jun 27th	vs ATL	Bryce Elder (8-7)	#162	vs ATL	Bryce Elder (8-7)	#162
Sun, Jun 28th	vs ATL	Chris Sale (12-8)	#6	vs ATL	Chris Sale (12-8)	#6
Mon, Jun 29th	@ ARI	Eduardo Rodriguez (12-4)	#120	@ ARI	Eduardo Rodriguez (12-4)	#120
Tue, Jun 30th	@ ARI	Brandon Pfaadt (7-1)	#103	@ ARI	Brandon Pfaadt (7-1)	#103
Wed, Jul 1st	@ ARI	Zac Gallen (3-9)	#216	@ ARI	Zac Gallen (3-9)	#216
Fri, Jul 3rd	@ COL	Ryan Feltner (5-6)	#437	@ COL	Ryan Feltner (5-6)	#437
Sat, Jul 4th	@ COL	Sean Sullivan (0-3)	#425	@ COL	Sean Sullivan (0-3)	#425
Sun, Jul 5th	@ COL	Tanner Gordon (0-3)	#319	@ COL	Tanner Gordon (0-3)	#319
Mon, Jul 6th	vs TOR	Kevin Gausman (6-11)	#21	vs TOR	Kevin Gausman (6-11)	#21
Tue, Jul 7th	vs TOR	Spencer Miles (5-2)	#110	vs TOR	Spencer Miles (5-2)	#110
Wed, Jul 8th	vs TOR	Dylan Cease (7-5)	#9	vs TOR	Dylan Cease (7-5)	#9
Thu, Jul 9th	vs COL	Ryan Feltner (5-6)	#437	vs COL	Ryan Feltner (5-6)	#437
Fri, Jul 10th	vs COL	Tanner Gordon (0-3)	#319	vs COL	Tanner Gordon (0-3)	#319
Sat, Jul 11th	vs COL	Kyle Freeland (4-10)	#328	vs COL	Kyle Freeland (4-10)	#328
Sun, Jul 12th	vs COL	Michael Lorenzen (3-11)	#438	vs COL	Michael Lorenzen (3-11)	#438
Fri, Jul 17th	@ SEA	Bryce Miller (4-6)	#36	@ SEA	Bryce Miller (4-6)	#36
Sat, Jul 18th	@ SEA	Bryan Woo (9-8)	#13	@ SEA	Bryan Woo (9-8)	#13
Sun, Jul 19th	@ SEA	Logan Gilbert (9-7)	#10	@ SEA	Logan Gilbert (9-7)	#10
Mon, Jul 20th	@ KC	Michael Wacha (6-8)	#71	@ KC	Michael Wacha (6-8)	#71
Tue, Jul 21st	@ KC	Luinder Avila (5-4)		@ KC	Luinder Avila (5-4)
Wed, Jul 22nd	@ KC	Seth Lugo (5-7)	#134	@ KC	Seth Lugo (5-7)	#134
Fri, Jul 24th	vs LAA	Grayson Rodriguez (3-5)	#92	vs LAA	Grayson Rodriguez (3-5)	#92
Sat, Jul 25th	vs LAA	Ryan Johnson (2-7)	#248	vs LAA	Ryan Johnson (2-7)	#248
Sun, Jul 26th	vs LAA	Jose Soriano (9-6)	#49	vs LAA	Jose Soriano (9-6)	#49
Mon, Jul 27th	vs MIL	Brandon Sproat (3-7)	#208	vs MIL	Brandon Sproat (3-7)	#208
Tue, Jul 28th	vs MIL	Logan Henderson (7-2)	#31	vs MIL	Logan Henderson (7-2)	#31
Wed, Jul 29th	vs MIL	Thomas Pannone (0-1)	#393	vs MIL	Thomas Pannone (0-1)	#393
Thu, Jul 30th	@ SD	JP Sears (3-4)	#333	@ SD	JP Sears (3-4)	#333
Fri, Jul 31st	@ SD	Bradgley Rodriguez (3-2)	#144	@ SD	Bradgley Rodriguez (3-2)	#144
Sat, Aug 1st	@ SD	Walker Buehler (7-6)	#258	@ SD	Walker Buehler (7-6)	#258
Sun, Aug 2nd	@ SD	Kyle Hart (0-3)	#195	@ SD	Kyle Hart (0-3)	#195
Mon, Aug 3rd	@ TEX	Cal Quantrill (4-4)	#242	@ TEX	Cal Quantrill (4-4)	#242
Tue, Aug 4th	@ TEX	MacKenzie Gore (7-9)	#42	@ TEX	MacKenzie Gore (7-9)	#42
Wed, Aug 5th	@ TEX	Cody Bradford (0-1)	#77	@ TEX	Cody Bradford (0-1)	#77
Fri, Aug 7th	vs DET	Keider Montero (9-7)	#127	vs DET	Keider Montero (9-7)	#127
Sat, Aug 8th	vs DET	Jackson Jobe (1-1)	#252	vs DET	Jackson Jobe (1-1)	#252
Sun, Aug 9th	vs DET	Troy Melton (7-1)	#60	vs DET	Troy Melton (7-1)	#60
Mon, Aug 10th	vs HOU	Hayden Wesneski (2-1)	#80	vs HOU	Hayden Wesneski (2-1)	#80
Tue, Aug 11th	vs HOU	Hunter Brown (3-3)	#23	vs HOU	Hunter Brown (3-3)	#23
Wed, Aug 12th	vs HOU	Bryan King		vs HOU	Bryan King
Fri, Aug 14th	vs COL	Kyle Freeland (4-10)	#328	vs COL	Kyle Freeland (4-10)	#328
Sat, Aug 15th	vs COL	Michael Lorenzen (3-11)	#438	vs COL	Michael Lorenzen (3-11)	#438
Sun, Aug 16th	vs COL	Gabriel Hughes (0-4)	#359	vs COL	Gabriel Hughes (0-4)	#359
Tue, Aug 18th	@ CLE	Foster Griffin (13-4)	#46	@ CLE	Foster Griffin (13-4)	#46
Wed, Aug 19th	@ CLE	Parker Messick (9-7)	#40	@ CLE	Parker Messick (9-7)	#40
Thu, Aug 20th	@ CLE	Gavin Williams (11-7)	#25	@ CLE	Gavin Williams (11-7)	#25
Fri, Aug 21st	@ BOS	Sonny Gray (15-3)	#27	@ BOS	Sonny Gray (15-3)	#27
Sat, Aug 22nd	@ BOS	Patrick Sandoval (1-2)	#97	@ BOS	Patrick Sandoval (1-2)	#97
Sun, Aug 23rd	@ BOS	Jake Bennett (7-6)	#78	@ BOS	Jake Bennett (7-6)	#78
Mon, Aug 24th	vs CIN	Chase Burns (14-2)	#26	vs CIN	Chase Burns (14-2)	#26
Tue, Aug 25th	vs CIN	Brady Singer (5-11)	#175	vs CIN	Brady Singer (5-11)	#175
Wed, Aug 26th	vs CIN	Nick Lodolo (3-2)	#98	vs CIN	Nick Lodolo (3-2)	#98
Thu, Aug 27th	vs ARI	Michael Soroka (8-3)	#62	vs ARI	Michael Soroka (8-3)	#62
Fri, Aug 28th	vs ARI			vs ARI
Sat, Aug 29th	vs ARI			vs ARI
Mon, Aug 31st	@ ATL	Spencer Strider (4-2)	#269	@ ATL	Spencer Strider (4-2)	#269
Tue, Sep 1st	@ PIT			@ PIT
Wed, Sep 2nd	@ PIT			@ PIT
Thu, Sep 3rd	@ PIT			@ PIT
Fri, Sep 4th	@ NYM			@ NYM
Sat, Sep 5th	@ NYM			@ NYM
Sun, Sep 6th	@ NYM			@ NYM
Mon, Sep 7th	vs STL			vs STL
Tue, Sep 8th	vs STL			vs STL
Wed, Sep 9th	vs STL			vs STL
Fri, Sep 11th	vs SD			vs SD
Sat, Sep 12th	vs SD			vs SD
Sun, Sep 13th	vs SD			vs SD
Mon, Sep 14th	@ STL			@ STL
Tue, Sep 15th	@ STL			@ STL
Wed, Sep 16th	@ STL			@ STL
Fri, Sep 18th	@ LAD			@ LAD
Sat, Sep 19th	@ LAD			@ LAD
Sun, Sep 20th	@ LAD			@ LAD
Mon, Sep 21st	vs MIN			vs MIN
Tue, Sep 22nd	vs MIN			vs MIN
Wed, Sep 23rd	vs MIN			vs MIN
Fri, Sep 25th	vs LAD			vs LAD
Sat, Sep 26th	vs LAD			vs LAD
Sun, Sep 27th	vs LAD			vs LAD

Who Should I Trade?

Marcelo Mayer for Matt Chapman (2026)

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