Who Should I Trade?

Christian Koss for Leo Rivas (2026)

Summary
Stats
Projections
News & Notes
Schedule

Who Should I Trade? Player Summaries
	Experts' Pick	Experts' Pick
	Christian Koss 2B,3B,SS - SF	Leo Rivas 2B,3B,SS - SEA
Expert Recommendation	0% Recommended by 0 of 0 experts	0% Recommended by 0 of 0 experts
Rankings

Rest of Season	‐	‐
VBR	# 652	‐

Projections

Runs	1	‐
Home Runs	0	‐
RBI	1	‐
Stolen Bases	0	‐
Batting Average	.215	‐

Misc

Injury Alert	-	-

Expert Ranks

Who Should I Trade? Player Statistics
	Christian Koss 2B,3B,SS - SF	Leo Rivas 2B,3B,SS - SEA
2026 Stats


At Bats	193	116

Runs	27	10

Hits	44	17

Singles	34	13

Doubles	6	3

Triples	0	1

Home Runs	4	0

RBI	12	9

Stolen Bases	5	2

Caught Stealing	0	0

Walks	9	16

Strikeouts	52	39

Batting Average	.228	.147

On Base Pct	.270	.270

Slugging Pct	.321	.190

On-base Plus Slugging	.591	.460

Who Should I Trade? Player Projections
	Christian Koss 2B,3B,SS - SF	Leo Rivas 2B,3B,SS - SEA
2026 Projections


At Bats	13	‐

Runs	1	‐

Hits	3	‐

Singles	2	‐

Doubles	1	‐

Triples	0	‐

Home Runs	0	‐

RBI	1	‐

Stolen Bases	0	‐

Caught Stealing	0	‐

Walks	1	‐

Strikeouts	3	‐

Batting Average	.215	‐

On Base Pct	.263	‐

Slugging Pct	.288	‐

On-base Plus Slugging	.550	‐

Who Should I Trade? Player Notes
	Christian Koss 2B,3B,SS - SF	Leo Rivas 2B,3B,SS - SEA
News
	Christian Koss went 2-for-3 in a win over the Cardinals with one stolen base. Chris Schommer Thu, Sep 10th	The Mariners optioned Leo Rivas to Triple-A Tacoma. Ari Koslow Tue, Aug 25th
	Christian Koss went 2-for-3 in Tuesday's 2-1 win over the Cardinals with a solo home run. Chris Schommer Wed, Sep 9th	The Mariners recalled Leo Rivas from Triple-A Tacoma. Ari Koslow Fri, Jul 31st
	Christian Koss went 2-for-4 in a win over the Mets with two home runs, two runs scored, and three RBI. Chris Schommer Sun, Sep 6th	The Mariners placed Leo Rivas on their taxi squad. Ari Koslow Wed, Jul 29th
	Christian Koss went 1-for-3 in a loss to the Diamondbacks with a two-run home run. Chris Schommer Sat, Aug 29th	The Mariners optioned Leo Rivas to Triple-A Tacoma. Ari Koslow Mon, May 18th
	Christina Koss has a locker in the Giants clubhouse on Monday. Ari Koslow Mon, Jun 29th
Notes
There are no recent notes for these players

Who Should I Trade? Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	Christian Koss 2B,3B,SS - SF			Leo Rivas 2B,3B,SS - SEA
Wed, Mar 25th	vs NYY	Max Fried (5-5)	#13
Fri, Mar 27th	vs NYY	Cam Schlittler (14-6)	#14	vs CLE	Gavin Williams (14-8)	#17
Sat, Mar 28th	vs NYY	Will Warren (10-6)	#89	vs CLE	Joey Cantillo (10-9)	#58
Mon, Mar 30th	@ SD	Walker Buehler (9-6)	#139	vs NYY	Ryan Weathers (5-8)	#171
Tue, Mar 31st	@ SD	German Marquez (4-2)		vs NYY	Max Fried (5-5)	#13
Wed, Apr 1st	@ SD	Nick Pivetta (3-2)	#45	vs NYY	Cam Schlittler (14-6)	#14
Thu, Apr 2nd	vs NYM	David Peterson (9-8)	#160
Fri, Apr 3rd	vs NYM	Nolan McLean (12-10)	#16	@ LAA	Reid Detmers (6-8)	#34
Sat, Apr 4th	vs NYM	Clay Holmes (6-8)	#82	@ LAA	Jack Kochanowicz (2-5)
Sun, Apr 5th	vs NYM	Kodai Senga (0-9)	#69	@ LAA	George Klassen (2-2)
Mon, Apr 6th	vs PHI	Andrew Painter (3-10)	#164	@ TEX	Jacob deGrom (11-10)	#5
Tue, Apr 7th	vs PHI	Cristopher Sanchez (18-6)	#11	@ TEX	Nathan Eovaldi (11-10)	#65
Wed, Apr 8th	vs PHI	Aaron Nola (7-11)	#52	@ TEX	MacKenzie Gore (8-11)	#27
Fri, Apr 10th	@ BAL	Shane Baz (6-15)	#63	vs HOU	Tatsuya Imai (6-4)	#179
Sat, Apr 11th	@ BAL	Chris Bassitt (9-5)	#95	vs HOU	Lance McCullers Jr. (2-3)
Sun, Apr 12th	@ BAL	Cade Povich (2-1)	#185	vs HOU	Cody Bolton (0-1)	#314
Tue, Apr 14th	@ CIN	Brady Singer (6-15)	#201	@ SD	Michael King (12-10)	#43
Wed, Apr 15th	@ CIN	Rhett Lowder (6-12)	#293	@ SD	Randy Vasquez (10-6)	#280
Thu, Apr 16th	@ CIN	Chase Burns (15-3)		@ SD	Walker Buehler (9-6)	#139
Fri, Apr 17th	@ WSH	Zack Littell (8-8)	#214	vs TEX	Jacob deGrom (11-10)	#5
Sat, Apr 18th	@ WSH	Cade Cavalli (13-5)	#48	vs TEX	Nathan Eovaldi (11-10)	#65
Sun, Apr 19th	@ WSH	PJ Poulin (3-0)		vs TEX	MacKenzie Gore (8-11)	#27
Tue, Apr 21st	vs LAD	Yoshinobu Yamamoto (14-9)	#6	vs ATH	Jacob Lopez (6-5)	#267
Wed, Apr 22nd	vs LAD	Shohei Ohtani (8-2)	#8	vs ATH	Aaron Civale (6-7)	#152
Thu, Apr 23rd	vs LAD	Tyler Glasnow (5-1)	#10
Fri, Apr 24th	vs MIA	Sandy Alcantara (13-11)	#91	@ STL	Andre Pallante (12-8)	#94
Sat, Apr 25th	vs MIA	Eury Perez (7-11)	#55	@ STL	Matthew Liberatore (6-14)	#90
Sun, Apr 26th	vs MIA	Max Meyer (9-1)		@ STL	Michael McGreevy (7-9)	#117
Tue, Apr 28th	@ PHI	Jesus Luzardo (14-5)		@ MIN	Joe Ryan (6-10)	#36
Thu, Apr 30th	@ PHI	Tim Mayza (3-4)	#229
Fri, May 1st	@ TB	Shane McClanahan (10-7)		vs KC	Cole Ragans (1-4)
Sat, May 2nd	@ TB	Griffin Jax (8-10)	#40	vs KC	Seth Lugo (7-9)	#218
Sun, May 3rd	@ TB	Steven Matz (5-5)	#207	vs KC	Kris Bubic (4-2)	#99
Mon, May 4th	vs SD	Randy Vasquez (10-6)	#280	vs ATL	JR Ritchie (1-4)	#157
Tue, May 5th	vs SD	Walker Buehler (9-6)	#139	vs ATL	Bryce Elder (8-8)
Wed, May 6th	vs SD	Bradgley Rodriguez (4-3)	#245	vs ATL	Martin Perez (9-9)	#119
Fri, May 8th	vs PIT	Carmen Mlodzinski (8-7)	#84	@ CWS	Sean Burke (10-7)	#101
Sat, May 9th	vs PIT	Braxton Ashcraft (14-6)		@ CWS	Anthony Kay (9-9)	#83
Sun, May 10th	vs PIT	Bubba Chandler (8-9)	#75	@ CWS	Davis Martin (9-7)	#96
Mon, May 11th	@ LAD	Roki Sasaki (5-5)	#183	@ HOU	Peter Lambert (8-10)	#151
Tue, May 12th	@ LAD	Yoshinobu Yamamoto (14-9)	#6	@ HOU	Tatsuya Imai (6-4)	#179
Wed, May 13th	@ LAD	Shohei Ohtani (8-2)	#8	@ HOU	Lance McCullers Jr. (2-3)
Thu, May 14th	@ LAD	Emmet Sheehan (5-8)	#98	@ HOU	Mike Burrows (4-9)	#225
Fri, May 15th	@ ATH	Aaron Civale (6-7)	#152	vs SD	Randy Vasquez (10-6)	#280
Sat, May 16th	@ ATH	Luis Severino (2-6)		vs SD	Walker Buehler (9-6)	#139
Sun, May 17th	@ ATH	Jeffrey Springs (4-14)	#324	vs SD	Lucas Giolito (2-3)
Mon, May 18th	@ ARI	Zac Gallen (3-9)	#122	vs CWS	Noah Schultz (4-9)	#191
Tue, May 19th	@ ARI	Ryne Nelson (3-5)	#184	vs CWS	Anthony Kay (9-9)	#83
Wed, May 20th	@ ARI	Merrill Kelly (10-14)	#182	vs CWS	Sean Burke (10-7)	#101
Fri, May 22nd	vs CWS	Davis Martin (9-7)	#96	@ KC	Noah Cameron (9-8)	#81
Sat, May 23rd	vs CWS	Bryan Hudson (5-4)	#221	@ KC	Stephen Kolek (4-3)
Sun, May 24th	vs CWS	Noah Schultz (4-9)	#191	@ KC	Seth Lugo (7-9)	#218
Mon, May 25th	vs ARI	Merrill Kelly (10-14)	#182	@ ATH	Aaron Civale (6-7)	#152
Tue, May 26th	vs ARI	Eduardo Rodriguez (15-7)	#86	@ ATH	Gage Jump (6-11)
Wed, May 27th	vs ARI	Michael Soroka (9-5)	#49	@ ATH	Jeffrey Springs (4-14)	#324
Fri, May 29th	@ COL	Michael Lorenzen (3-13)		vs ARI	Zac Gallen (3-9)	#122
Sat, May 30th	@ COL	Ryan Feltner (6-10)	#342	vs ARI	Ryne Nelson (3-5)	#184
Sun, May 31st	@ COL	Tanner Gordon (1-5)	#287	vs ARI	Merrill Kelly (10-14)	#182
Mon, Jun 1st	@ MIL	Shane Drohan (7-5)	#70	vs NYM	Austin Warren
Tue, Jun 2nd	@ MIL	Kyle Harrison (10-5)	#66	vs NYM	Huascar Brazoban (6-2)	#235
Wed, Jun 3rd	@ MIL	Robert Gasser (5-5)	#60	vs NYM	Freddy Peralta (9-11)	#56
Thu, Jun 4th	@ MIL	Coleman Crow (0-1)	#137
Fri, Jun 5th	@ CHC	Edward Cabrera (5-5)	#197	@ DET	Framber Valdez (10-12)	#74
Sat, Jun 6th	@ CHC	Ben Brown (4-2)		@ DET	Keider Montero (10-9)	#107
Sun, Jun 7th	@ CHC	Jameson Taillon (2-6)		@ DET	Jack Flaherty (3-8)	#93
Mon, Jun 8th	vs WSH	Richard Lovelady (3-4)	#288	@ BAL	Trey Gibson (2-3)	#250
Tue, Jun 9th	vs WSH	Andrew Alvarez (2-6)	#124	@ BAL	Trevor Rogers (10-11)	#39
Wed, Jun 10th	vs WSH	Foster Griffin (15-6)	#37	@ BAL	Brandon Young (9-5)	#92
Fri, Jun 12th	vs CHC	Javier Assad (6-1)	#206	@ WSH	Zack Littell (8-8)	#214
Sat, Jun 13th	vs CHC	Ben Brown (4-2)		@ WSH	Cade Cavalli (13-5)	#48
Sun, Jun 14th	vs CHC	Ryan Rolison		@ WSH	PJ Poulin (3-0)
Wed, Jun 17th	@ ATL	JR Ritchie (1-4)	#157	vs BAL	Kyle Bradish (7-14)
Fri, Jun 19th	@ MIA	Lake Bachar (1-4)	#146	vs BOS	Ranger Suarez (8-4)	#44
Sat, Jun 20th	@ MIA	Max Meyer (9-1)		vs BOS	Connelly Early (7-5)	#72
Sun, Jun 21st	@ MIA	Ryan Gusto (1-5)	#106	vs BOS	Payton Tolle (9-6)	#30
Tue, Jun 23rd	vs ATH	Aaron Civale (6-7)	#152	@ PIT	Mitch Keller (6-8)
Wed, Jun 24th	vs ATH	Gage Jump (6-11)		@ PIT	Braxton Ashcraft (14-6)
Thu, Jun 25th	vs ATH	Jeffrey Springs (4-14)	#324	@ PIT	Bubba Chandler (8-9)	#75
Fri, Jun 26th	vs ATL	Reynaldo Lopez (4-5)		@ CLE	Joey Cantillo (10-9)	#58
Sat, Jun 27th	vs ATL	Bryce Elder (8-8)		@ CLE	Slade Cecconi (5-7)	#230
Sun, Jun 28th	vs ATL	Chris Sale (14-9)	#2	@ CLE	Gavin Williams (14-8)	#17
Mon, Jun 29th	@ ARI	Eduardo Rodriguez (15-7)	#86	vs LAA	Ryan Johnson (5-9)	#158
Tue, Jun 30th	@ ARI	Brandon Pfaadt (7-3)	#112	vs LAA	Jose Soriano (12-8)	#19
Wed, Jul 1st	@ ARI	Zac Gallen (3-9)	#122
Fri, Jul 3rd	@ COL	Ryan Feltner (6-10)	#342	vs TOR	Dylan Cease (11-6)	#128
Sat, Jul 4th	@ COL	Sean Sullivan (0-3)	#277	vs TOR	Shane Bieber (5-2)
Sun, Jul 5th	@ COL	Tanner Gordon (1-5)	#287	vs TOR	Trey Yesavage (5-5)	#76
Mon, Jul 6th	vs TOR	Kevin Gausman (9-12)	#21
Tue, Jul 7th	vs TOR	Spencer Miles (6-2)	#67	@ MIA	Max Meyer (9-1)
Wed, Jul 8th	vs TOR	Dylan Cease (11-6)	#128	@ MIA	Tyler Phillips (5-6)	#136
Thu, Jul 9th	vs COL	Ryan Feltner (6-10)	#342	@ MIA	Janson Junk (6-9)	#77
Fri, Jul 10th	vs COL	Tanner Gordon (1-5)	#287	@ TB	Nick Martinez (15-5)	#85
Sat, Jul 11th	vs COL	Kyle Freeland (4-11)	#248	@ TB	Griffin Jax (8-10)	#40
Sun, Jul 12th	vs COL	Michael Lorenzen (3-13)		@ TB	Ian Seymour (9-7)	#57
Fri, Jul 17th	@ SEA	Bryce Miller (4-9)	#22	vs SF	Landen Roupp (9-14)	#102
Sat, Jul 18th	@ SEA	Bryan Woo (12-9)	#3	vs SF	Logan Webb (8-9)
Sun, Jul 19th	@ SEA	Logan Gilbert (12-11)	#4	vs SF	Robbie Ray (13-8)	#127
Mon, Jul 20th	@ KC	Michael Wacha (9-9)	#97	vs CIN	Andrew Abbott (6-11)	#131
Tue, Jul 21st	@ KC	Luinder Avila (5-4)		vs CIN	Chase Burns (15-3)
Wed, Jul 22nd	@ KC	Seth Lugo (7-9)	#218	vs CIN	Brady Singer (6-15)	#201
Fri, Jul 24th	vs LAA	Grayson Rodriguez (4-8)	#123	@ TEX	MacKenzie Gore (8-11)	#27
Sat, Jul 25th	vs LAA	Ryan Johnson (5-9)	#158	@ TEX	Nathan Eovaldi (11-10)	#65
Sun, Jul 26th	vs LAA	Jose Soriano (12-8)	#19	@ TEX	Jacob deGrom (11-10)	#5
Mon, Jul 27th	vs MIL	Brandon Sproat (3-7)	#317	@ TEX	Kumar Rocker (5-11)	#78
Tue, Jul 28th	vs MIL	Logan Henderson (11-3)	#28	@ LAD	Justin Wrobleski (12-5)	#51
Wed, Jul 29th	vs MIL	Thomas Pannone (0-1)	#116	@ LAD	Eric Lauer (8-7)
Thu, Jul 30th	@ SD	JP Sears (3-4)		@ LAD	Roki Sasaki (5-5)	#183
Fri, Jul 31st	@ SD	Bradgley Rodriguez (4-3)	#245	vs MIN	Zebby Matthews (9-11)	#140
Sat, Aug 1st	@ SD	Walker Buehler (9-6)	#139	vs MIN	Connor Prielipp (6-7)	#59
Sun, Aug 2nd	@ SD	Kyle Hart (1-3)	#215	vs MIN	Taj Bradley (12-6)	#88
Mon, Aug 3rd	@ TEX	Cal Quantrill (9-5)
Tue, Aug 4th	@ TEX	MacKenzie Gore (8-11)	#27	vs DET	Troy Melton (8-5)
Wed, Aug 5th	@ TEX	Cody Bradford (0-5)	#118	vs DET	Drew Anderson (5-7)	#62
Fri, Aug 7th	vs DET	Keider Montero (10-9)	#107	vs TB	Drew Rasmussen (16-5)	#18
Sat, Aug 8th	vs DET	Jackson Jobe (2-3)	#154	vs TB	Casey Legumina (2-2)	#264
Sun, Aug 9th	vs DET	Troy Melton (8-5)		vs TB	Ian Seymour (9-7)	#57
Mon, Aug 10th	vs HOU	Hayden Wesneski (5-2)	#68
Tue, Aug 11th	vs HOU	Hunter Brown (6-3)	#20	@ NYY	Ryan Weathers (5-8)	#171
Wed, Aug 12th	vs HOU	Bryan King		@ NYY	Will Warren (10-6)	#89
Fri, Aug 14th	vs COL	Kyle Freeland (4-11)	#248	@ HOU	Peter Lambert (8-10)	#151
Sat, Aug 15th	vs COL	Michael Lorenzen (3-13)		@ HOU	Hayden Wesneski (5-2)	#68
Sun, Aug 16th	vs COL	Gabriel Hughes (0-8)	#192	@ HOU	Hunter Brown (6-3)	#20
Tue, Aug 18th	@ CLE	Foster Griffin (15-6)	#37	@ MIL	Kyle Harrison (10-5)	#66
Wed, Aug 19th	@ CLE	Parker Messick (12-9)	#35	@ MIL	Dustin May (7-9)	#42
Thu, Aug 20th	@ CLE	Gavin Williams (14-8)	#17	@ MIL	Robert Gasser (5-5)	#60
Fri, Aug 21st	@ BOS	Sonny Gray (18-5)	#32	vs CHC	Matthew Boyd (9-5)	#50
Sat, Aug 22nd	@ BOS	Patrick Sandoval (1-7)	#80	vs CHC	David Peterson (9-8)	#160
Sun, Aug 23rd	@ BOS	Jake Bennett (9-7)	#103	vs CHC	Shota Imanaga (11-10)	#31
Mon, Aug 24th	vs CIN	Chase Burns (15-3)		vs PHI	Zack Wheeler (13-5)	#7
Tue, Aug 25th	vs CIN	Brady Singer (6-15)	#201	vs PHI	Aaron Nola (7-11)	#52
Wed, Aug 26th	vs CIN	Nick Lodolo (3-6)	#153	vs PHI	Jesus Luzardo (14-5)
Thu, Aug 27th	vs ARI
Fri, Aug 28th	vs ARI	Kohl Drake (0-1)	#257	@ TOR	Dylan Cease (11-6)	#128
Sat, Aug 29th	vs ARI	Mitch Bratt (1-3)		@ TOR	Jose Soriano (12-8)	#19
Mon, Aug 31st	@ ATL	Bryce Elder (8-8)		@ BOS	Payton Tolle (9-6)	#30
Tue, Sep 1st	@ PIT	Paul Skenes (10-11)	#9	@ BOS	Jedixson Paez (0-1)
Wed, Sep 2nd	@ PIT	Bubba Chandler (8-9)	#75	@ BOS	Patrick Sandoval (1-7)	#80
Thu, Sep 3rd	@ PIT	Lake Bachar (1-4)	#146	vs ATH	Jack Perkins (3-12)	#126
Fri, Sep 4th	@ NYM	Nolan McLean (12-10)	#16	vs ATH	Kade Morris (0-1)	#337
Sat, Sep 5th	@ NYM	Zac Thornton (5-5)	#144	vs ATH	Jeffrey Springs (4-14)	#324
Sun, Sep 6th	@ NYM	Christian Scott (4-5)	#29	vs ATH	Gage Jump (6-11)
Mon, Sep 7th	vs STL	Michael McGreevy (7-9)	#117
Tue, Sep 8th	vs STL	Quinn Mathews (2-3)	#120	vs TEX	Cal Quantrill (9-5)
Wed, Sep 9th	vs STL	Andre Pallante (12-8)	#94	vs TEX	Cody Bradford (0-5)	#118
Fri, Sep 11th	vs SD	Robbie Ray (13-8)	#127	@ ATH	Jeffrey Springs (4-14)	#324
Sat, Sep 12th	vs SD	Michael King (12-10)	#43	@ ATH	Gage Jump (6-11)
Sun, Sep 13th	vs SD	Nick Pivetta (3-2)	#45	@ ATH	Jacob Lopez (6-5)	#267
Mon, Sep 14th	@ STL	Quinn Mathews (2-3)	#120	@ LAA	Reid Detmers (6-8)	#34
Tue, Sep 15th	@ STL	Andre Pallante (12-8)	#94	@ LAA	Ryan Johnson (5-9)	#158
Wed, Sep 16th	@ STL	Matthew Liberatore (6-14)	#90	@ LAA	Yusei Kikuchi (1-6)	#79
Fri, Sep 18th	@ LAD	Tyler Glasnow (5-1)	#10	@ COL	Gabriel Hughes (0-8)	#192
Sat, Sep 19th	@ LAD	Tarik Skubal (11-7)	#1	@ COL	Jose Quintana (2-3)	#340
Sun, Sep 20th	@ LAD	Jack Dreyer (5-2)	#188	@ COL	Tomoyuki Sugano (12-11)	#336
Mon, Sep 21st	vs MIN	Zebby Matthews (9-11)	#140
Tue, Sep 22nd	vs MIN	Taj Bradley (12-6)	#88	vs HOU	Cristian Javier (2-6)	#169
Wed, Sep 23rd	vs MIN	Connor Prielipp (6-7)	#59	vs HOU	Ethan Pecko (1-0)	#165
Fri, Sep 25th	vs LAD	Tarik Skubal (11-7)	#1	vs LAA	Reid Detmers (6-8)	#34
Sat, Sep 26th	vs LAD	Blake Snell (4-1)	#23	vs LAA	Ryan Johnson (5-9)	#158
Sun, Sep 27th	vs LAD	Justin Wrobleski (12-5)	#51	vs LAA	Yusei Kikuchi (1-6)	#79
Thu, Mar 26th				vs CLE	Tanner Bibee (6-15)	#71
Sun, Mar 29th				vs CLE	Slade Cecconi (5-7)	#230
Mon, Apr 13th				vs HOU	Mike Burrows (4-9)	#225
Mon, Apr 20th				vs ATH	J.T. Ginn (9-8)
Mon, Apr 27th				@ MIN	Connor Prielipp (6-7)	#59
Wed, Apr 29th				@ MIN	Taj Bradley (12-6)	#88
Thu, Jun 11th				@ BAL	Kyle Bradish (7-14)
Tue, Jun 16th				vs BAL	Brandon Young (9-5)	#92
Thu, Jun 18th				vs BAL	Shane Baz (6-15)	#63
Thu, Jul 2nd				vs LAA	Walbert Urena (9-11)	#113
Thu, Aug 6th				vs DET	Framber Valdez (10-12)	#74
Thu, Aug 13th				@ NYY	Max Fried (5-5)	#13
Sun, Aug 30th				@ TOR	Max Scherzer (3-9)	#147
Thu, Sep 10th				vs TEX	Jacob deGrom (11-10)	#5
Thu, Sep 24th				vs LAA	Grayson Rodriguez (4-8)	#123

Who Should I Trade?

Christian Koss for Leo Rivas (2026)

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