Who Should I Trade?

Joe Rock for Riley O'Brien (2026)

Summary
Stats
Projections
News & Notes
Schedule

Who Should I Trade? Player Summaries
	Experts' Pick
	Riley O'Brien RP - STL	Joe Rock SP,RP - CWS
Expert Recommendation	100% Recommended by 6 of 6 experts	0% Recommended by 0 of 6 experts
Rankings

Rest of Season	# 70	‐
VBR	# 315	# 736

Projections

Strikeouts	26	11
Wins	1	1
Saves	11	0
ERA	3.73	4.15
WHIP	1.39	1.42

Misc

Injury Alert	-	MiLB

Expert Ranks

Scott Pianowski Yahoo! Sports	# 58	‐

Dalton Del Don The Deep Shot	# 72	‐

Chris Welsh FantasyPros	# 78	‐

Mike Maher BettingPros	# 76	‐

Kelly Kirby FantasyPros	# 121	‐

Kevin Spinelli KevScores	# 96	‐

Who Should I Trade? Player Statistics
	Riley O'Brien RP - STL	Joe Rock SP,RP - CWS
2026 Stats


Games Played	40	4

Games Started	0	0

Innings Pitched	40.1	10.1

Wins	3	0

Losses	3	1

Saves	25	0

Blown Saves	4	1

Holds	1	0

Hits Allowed	32	11

Earned Runs	15	4

Home Runs Allowed	2	0

Strikeouts	40	12

Walks	14	11

ERA	3.35	3.48

WHIP	1.14	2.13

Who Should I Trade? Player Projections
	Riley O'Brien RP - STL	Joe Rock SP,RP - CWS
2026 Projections


Games Played	28	16

Games Started	0	0

Innings Pitched	25.4	13.2

Wins	1	1

Losses	1	1

Saves	11	0

Blown Saves	0	0

Holds	2	0

Hits Allowed	23	13

Earned Runs	11	6

Home Runs Allowed	2	2

Strikeouts	26	11

Walks	11	5

ERA	3.73	4.15

WHIP	1.39	1.42

Who Should I Trade? Player Notes
	Riley O'Brien RP - STL	Joe Rock SP,RP - CWS
News
	Riley O'Brien allowed one hit and one walk while striking out one in a scoreless appearance to earn the save in a 5-4 win over the Diamondbacks. Chase Davis Sat, Jul 18th	The White Sox optioned LHP Joe Rock to Triple-A Charlotte. Ari Koslow Fri, Jun 26th
	Riley O'Brien struck out one batter while allowing no hits and one walk in a scoreless outing to earn the save in Saturday's 4-1 win over Atlanta. Chase Davis Sun, Jul 12th	Joe Rock has been recalled from Triple-A Charlotte. Nate Miller - FantasyPros Tue, Jun 9th
	Riley O'Brien struck out two batters in a scoreless outing to earn the save in Friday's 2-1 win over the Braves. Chase Davis Sat, Jul 11th	Joe Rock has been traded from the Tampa Bay Rays to the Chicago White Sox in exchange for infielder Oliver Dunn. To make room for Rock on the 40-man roster, catcher Kyle Teel was transferred to the 60-day injured list. David Leisering Tue, May 19th
	Riley O'Brien struck out one batter while allowing one walk over a scoreless frame to earn the save in Saturday's 3-0 win over the Cubs. Chase Davis Sun, Jul 5th	The Rays optioned LHP Joe Rock to Triple-A Durham. Ari Koslow Sun, Apr 12th
	Riley O'Brien allowed one hit in a scoreless frame to earn the save in Tuesday's 5-3 win over Atlanta. Chase Davis Wed, Jul 1st	The Rays recalled LHP Joe Rock from Triple-A Durham. Ari Koslow Fri, Apr 10th
Notes
There are no recent notes for these players

Who Should I Trade? Player Schedules
Date	Opp	Opp Pitcher	VBR	Opp	Opp Pitcher	VBR
	Riley O'Brien RP - STL			Joe Rock SP,RP - CWS
Thu, Mar 26th	vs TB	Drew Rasmussen (7-5)	#20	@ MIL	Jacob Misiorowski (10-4)	#6
Sat, Mar 28th	vs TB	Joe Boyle (0-1)	#167	@ MIL	Chad Patrick (5-4)	#127
Sun, Mar 29th	vs TB	Steven Matz (4-4)	#196	@ MIL	Brandon Sproat (3-4)	#124
Mon, Mar 30th	vs NYM	Clay Holmes (4-4)	#114	@ MIA	Chris Paddack (0-7)
Tue, Mar 31st	vs NYM	Kodai Senga (0-7)	#152	@ MIA	Janson Junk (4-5)	#110
Wed, Apr 1st	vs NYM	Freddy Peralta (5-8)	#35	@ MIA	Sandy Alcantara (10-5)	#55
Fri, Apr 3rd	@ DET	Framber Valdez (5-6)	#29	vs TOR	Dylan Cease (6-4)	#10
Sat, Apr 4th	@ DET	Jack Flaherty (3-8)	#54	vs TOR	Mason Fluharty (4-1)	#169
Sun, Apr 5th	@ DET	Keider Montero (6-5)	#157	vs TOR	Eric Lauer (4-5)	#355
Mon, Apr 6th	@ WSH	Zack Littell (7-7)	#164	vs BAL	Brandon Young (8-2)	#134
Tue, Apr 7th	@ WSH	Cade Cavalli (6-4)	#68	vs BAL	Trevor Rogers (6-7)	#78
Wed, Apr 8th	@ WSH	Miles Mikolas (3-7)	#309	vs BAL	Kyle Bradish (6-9)	#40
Thu, Apr 9th				@ KC	Seth Lugo (3-6)	#122
Fri, Apr 10th	vs BOS	Connelly Early (7-5)	#143	@ KC	Kris Bubic (3-2)	#131
Sat, Apr 11th	vs BOS	Ranger Suarez (4-3)	#24	@ KC	Michael Wacha (5-7)	#71
Sun, Apr 12th	vs BOS	Brayan Bello (2-6)	#140	@ KC	Noah Cameron (5-8)	#76
Tue, Apr 14th	vs CLE	Joey Cantillo (8-5)	#84	vs TB	Shane McClanahan (8-6)	#33
Wed, Apr 15th	vs CLE	Slade Cecconi (4-6)	#112	vs TB	Cole Sulser
Thu, Apr 16th				vs TB	Steven Matz (4-4)	#196
Fri, Apr 17th	@ HOU	Peter Lambert (8-5)	#162	@ ATH	Aaron Civale (5-7)	#297
Sat, Apr 18th	@ HOU	Lance McCullers Jr. (2-3)	#188	@ ATH	Luis Severino (2-6)	#183
Sun, Apr 19th	@ HOU	Mike Burrows (4-9)	#180	@ ATH	Jeffrey Springs (3-9)	#181
Tue, Apr 21st	@ MIA	Chris Paddack (0-7)		@ ARI	Merrill Kelly (7-8)	#118
Wed, Apr 22nd	@ MIA	Janson Junk (4-5)	#110	@ ARI	Eduardo Rodriguez (8-3)	#113
Thu, Apr 23rd				@ ARI	Michael Soroka (8-3)	#72
Fri, Apr 24th	vs SEA	George Kirby (7-8)	#18	vs WSH	PJ Poulin (3-0)	#293
Sat, Apr 25th	vs SEA	Bryan Woo (7-6)	#13	vs WSH	Jake Irvin (2-4)	#197
Sun, Apr 26th	vs SEA	Emerson Hancock (6-4)	#92	vs WSH	Foster Griffin (11-2)	#62
Mon, Apr 27th	@ PIT	Mason Montgomery (2-3)	#116	vs LAA	Jack Kochanowicz (2-5)
Tue, Apr 28th	@ PIT	Braxton Ashcraft (9-3)	#25	vs LAA	Jose Soriano (8-6)	#47
Wed, Apr 29th	@ PIT	Bubba Chandler (3-8)	#128	vs LAA	Yusei Kikuchi (0-3)	#142
Fri, May 1st	vs LAD	Emmet Sheehan (4-6)	#43	@ SD	German Marquez (4-2)	#329
Sat, May 2nd	vs LAD	Roki Sasaki (3-5)	#117	@ SD	Michael King (6-7)	#50
Sun, May 3rd	vs LAD	Justin Wrobleski (10-2)	#82	@ SD	Griffin Canning (1-8)	#145
Mon, May 4th	vs MIL	Chad Patrick (5-4)	#127	@ LAA	Jose Soriano (8-6)	#47
Tue, May 5th				@ LAA	Sam Aldegheri (3-4)	#431
Wed, May 6th	vs MIL	Brandon Sproat (3-4)	#124	@ LAA	Walbert Urena (5-7)	#267
Fri, May 8th	@ SD	Griffin Canning (1-8)	#145	vs SEA	Emerson Hancock (6-4)	#92
Sat, May 9th	@ SD	Randy Vasquez (6-6)	#296	vs SEA	Luis Castillo (3-8)	#65
Sun, May 10th	@ SD	Walker Buehler (5-5)	#179	vs SEA	Logan Gilbert (8-6)	#8
Tue, May 12th	@ ATH	Jeffrey Springs (3-9)	#181	vs KC	Stephen Kolek (4-3)	#174
Wed, May 13th	@ ATH	J.T. Ginn (8-6)	#156	vs KC	Seth Lugo (3-6)	#122
Thu, May 14th	@ ATH	Jacob Lopez (4-4)	#202	vs KC	Kris Bubic (3-2)	#131
Fri, May 15th	vs KC	Michael Wacha (5-7)	#71	vs CHC	Edward Cabrera (5-4)	#97
Sat, May 16th	vs KC	Noah Cameron (5-8)	#76	vs CHC	Jameson Taillon (2-5)	#119
Sun, May 17th	vs KC	Stephen Kolek (4-3)	#174	vs CHC	Colin Rea (7-6)	#190
Mon, May 18th				@ SEA	Bryan Woo (7-6)	#13
Tue, May 19th	vs PIT	Mitch Keller (6-7)	#111	@ SEA	Bryce Miller (4-4)	#34
Wed, May 20th	vs PIT	Carmen Mlodzinski (6-3)	#121	@ SEA	Emerson Hancock (6-4)	#92
Fri, May 22nd				@ SF	Trevor McDonald (3-7)	#172
Sat, May 23rd	@ CIN	Chase Petty (1-2)	#387	@ SF	Adrian Houser (2-7)	#184
Sun, May 24th				@ SF	Robbie Ray (8-6)	#86
Mon, May 25th	@ MIL	Jacob Misiorowski (10-4)	#6	vs MIN	Zebby Matthews (4-7)	#109
Tue, May 26th	@ MIL	Kyle Harrison (8-2)	#59	vs MIN	Joe Ryan (6-5)	#14
Wed, May 27th	@ MIL	Chad Patrick (5-4)	#127	vs MIN	Connor Prielipp (2-5)	#129
Thu, May 28th				vs MIN	Simeon Woods Richardson (1-7)	#377
Fri, May 29th	vs CHC	Shota Imanaga (6-8)	#30	vs DET	Troy Melton (5-1)	#106
Sat, May 30th	vs CHC	Ben Brown (4-2)	#91	vs DET	Framber Valdez (5-6)	#29
Sun, May 31st	vs CHC	Jordan Wicks (0-2)	#231	vs DET	Keider Montero (6-5)	#157
Mon, Jun 1st	vs TEX	Jacob deGrom (7-5)	#9	@ MIN	Joe Ryan (6-5)	#14
Tue, Jun 2nd	vs TEX	Nathan Eovaldi (9-8)	#17	@ MIN	Connor Prielipp (2-5)	#129
Wed, Jun 3rd	vs TEX	MacKenzie Gore (6-8)	#37	@ MIN	Taj Bradley (9-4)	#48
Fri, Jun 5th	vs CIN	Brady Singer (4-9)	#158	@ PHI	Jesus Luzardo (9-4)	#11
Sat, Jun 6th	vs CIN	Nick Lodolo (3-2)	#101	@ PHI	Andrew Painter (1-8)	#261
Sun, Jun 7th	vs CIN	Rhett Lowder (3-7)	#208	@ PHI	Aaron Nola (3-7)	#53
Tue, Jun 9th	@ NYM	Freddy Peralta (5-8)	#35	vs ATL	Grant Holmes (6-4)	#148
Wed, Jun 10th	@ NYM	Austin Warren		vs ATL	Chris Sale (10-6)	#7
Fri, Jun 12th	@ MIN	Joe Ryan (6-5)	#14	vs LAD	Roki Sasaki (3-5)	#117
Sat, Jun 13th	@ MIN	Connor Prielipp (2-5)	#129	vs LAD	Yoshinobu Yamamoto (10-6)	#12
Sun, Jun 14th	@ MIN	Taj Bradley (9-4)	#48	vs LAD	Emmet Sheehan (4-6)	#43
Tue, Jun 16th	vs SD	Michael King (6-7)	#50	@ NYY	Gerrit Cole (3-5)	#27
Wed, Jun 17th	vs SD	Bradgley Rodriguez (2-2)	#147	@ NYY	Carlos Rodon (4-2)	#98
Thu, Jun 18th	@ KC	Noah Cameron (5-8)	#76	@ NYY	Ryan Weathers (3-7)	#46
Fri, Jun 19th	@ KC	Seth Lugo (3-6)	#122	@ DET	Tarik Skubal (6-5)	#2
Sat, Jun 20th				@ DET	Troy Melton (5-1)	#106
Sun, Jun 21st	@ KC	Stephen Kolek (4-3)	#174	@ DET	Keider Montero (6-5)	#157
Mon, Jun 22nd	vs ARI	Merrill Kelly (7-8)	#118	vs CLE	Gavin Williams (10-5)	#26
Tue, Jun 23rd	vs ARI	Eduardo Rodriguez (8-3)	#113	vs CLE	Parker Messick (8-5)	#41
Wed, Jun 24th	vs ARI	Mitch Bratt (0-0)	#199	vs CLE	Tanner Bibee (3-9)	#44
Fri, Jun 26th	vs MIA	Max Meyer (9-1)	#42	vs KC	Steven Cruz
Sat, Jun 27th	vs MIA	Ryan Gusto (0-2)	#178	vs KC	Michael Wacha (5-7)	#71
Sun, Jun 28th	vs MIA	Tyler Phillips (2-4)	#273	vs KC	Luinder Avila (4-3)	#221
Mon, Jun 29th				@ BAL	Shane Baz (4-9)	#70
Tue, Jun 30th	@ ATL	Martin Perez (6-6)	#239	@ BAL	Trey Gibson (1-3)	#305
Wed, Jul 1st	@ ATL	Reynaldo Lopez (4-2)	#77	@ BAL	Dean Kremer (1-2)	#81
Thu, Jul 2nd	@ ATL	Hurston Waldrep (0-1)	#226	@ CLE	Slade Cecconi (4-6)	#112
Fri, Jul 3rd	@ CHC	David Peterson (4-7)	#85	@ CLE	Gavin Williams (10-5)	#26
Sat, Jul 4th	@ CHC	Shota Imanaga (6-8)	#30	@ CLE	Parker Messick (8-5)	#41
Sun, Jul 5th	@ CHC	Javier Assad (6-1)	#192	@ CLE	Tanner Bibee (3-9)	#44
Tue, Jul 7th	vs MIL	Robert Gasser (2-4)	#136	vs BOS	Payton Tolle (5-6)	#61
Wed, Jul 8th	vs MIL	Kyle Harrison (8-2)	#59	vs BOS	Jake Bennett (5-3)	#104
Thu, Jul 9th	vs MIL	Logan Henderson (3-1)	#56	vs BOS	Patrick Sandoval (0-0)	#151
Fri, Jul 10th	vs ATL	Chris Sale (10-6)	#7	vs ATH	Jacob Lopez (4-4)	#202
Sat, Jul 11th	vs ATL	Reynaldo Lopez (4-2)	#77	vs ATH	Gage Jump (3-5)	#99
Sun, Jul 12th	vs ATL	Danny Young		vs ATH	J.T. Ginn (8-6)	#156
Fri, Jul 17th	@ ARI	Merrill Kelly (7-8)	#118	@ TOR	Spencer Miles (4-2)	#105
Sat, Jul 18th	@ ARI	Brandon Pfaadt (4-1)	#79	@ TOR	Shane Bieber (1-1)	#74
Sun, Jul 19th	@ ARI	Eduardo Rodriguez (8-3)	#113	@ TOR	Trey Yesavage (4-5)	#83
Mon, Jul 20th	@ LAA	Jose Soriano (8-6)	#47	@ TEX	Jacob deGrom (7-5)	#9
Tue, Jul 21st	@ LAA	Walbert Urena (5-7)	#267	@ TEX	Kumar Rocker (2-8)	#102
Wed, Jul 22nd	@ LAA	Reid Detmers (3-6)	#36	@ TEX	Cal Quantrill (3-2)	#316
Fri, Jul 24th	vs CIN	Rhett Lowder (3-7)	#208	vs HOU	Spencer Arrighetti (7-5)	#138
Sat, Jul 25th	vs CIN	Hunter Greene (2-1)	#16	vs HOU	Hunter Brown (1-1)	#21
Sun, Jul 26th	vs CIN	Andrew Abbott (5-5)	#90	vs HOU	Ronel Blanco	#212
Mon, Jul 27th	vs CHC	David Peterson (4-7)	#85	vs NYY	Max Fried (4-3)	#28
Tue, Jul 28th	vs CHC	Colin Rea (7-6)	#190	vs NYY	Gerrit Cole (3-5)	#27
Wed, Jul 29th	vs CHC	Matthew Boyd (6-1)	#38	vs NYY	Cam Schlittler (9-6)	#19
Thu, Jul 30th	vs CHC			vs NYY
Fri, Jul 31st	@ TOR			@ TB
Sat, Aug 1st	@ TOR			@ TB
Sun, Aug 2nd	@ TOR			@ TB
Tue, Aug 4th	@ NYY			@ BOS
Wed, Aug 5th	@ NYY			@ BOS
Thu, Aug 6th				@ BOS
Fri, Aug 7th	vs COL			vs CLE
Sat, Aug 8th	vs COL			vs CLE
Sun, Aug 9th	vs COL			vs CLE
Tue, Aug 11th	vs PHI			vs CIN
Wed, Aug 12th	vs PHI			vs CIN
Thu, Aug 13th				vs CIN
Fri, Aug 14th	@ CHC			@ DET
Sat, Aug 15th	@ CHC			@ DET
Sun, Aug 16th	@ CHC			@ DET
Mon, Aug 17th	@ CIN			@ CHC
Tue, Aug 18th	@ CIN			@ CHC
Wed, Aug 19th	@ CIN			@ CHC
Thu, Aug 20th	@ CIN			vs ATL	Martin Perez (6-6)	#239
Fri, Aug 21st	@ PHI			vs NYM
Sat, Aug 22nd	@ PHI			vs NYM
Sun, Aug 23rd	@ PHI			vs NYM
Mon, Aug 24th				vs TEX
Tue, Aug 25th	vs BAL			vs TEX
Wed, Aug 26th	vs BAL			vs TEX
Fri, Aug 28th	vs PIT			@ MIN
Sat, Aug 29th	vs PIT			@ MIN
Sun, Aug 30th	vs PIT			@ MIN
Mon, Aug 31st				@ HOU
Tue, Sep 1st	@ LAD			@ HOU
Wed, Sep 2nd	@ LAD			@ HOU
Thu, Sep 3rd	@ LAD			@ HOU
Fri, Sep 4th	@ COL			vs MIN
Sat, Sep 5th	@ COL			vs MIN
Sun, Sep 6th	@ COL			vs MIN
Tue, Sep 8th	@ SF			vs PIT
Wed, Sep 9th	@ SF			vs PIT
Thu, Sep 10th				vs PIT
Fri, Sep 11th	vs CWS			@ STL
Sat, Sep 12th	vs CWS			@ STL
Sun, Sep 13th	vs CWS			@ STL
Mon, Sep 14th	vs SF			@ CLE
Tue, Sep 15th	vs SF			@ CLE
Wed, Sep 16th	vs SF			@ CLE
Thu, Sep 17th				vs DET
Fri, Sep 18th	vs WSH			vs DET
Sat, Sep 19th	vs WSH			vs DET
Sun, Sep 20th	vs WSH			vs DET
Tue, Sep 22nd	@ PIT			@ KC
Wed, Sep 23rd	@ PIT			@ KC
Thu, Sep 24th	@ PIT			@ KC
Fri, Sep 25th	@ MIL			vs COL
Sat, Sep 26th	@ MIL			vs COL
Sun, Sep 27th	@ MIL			vs COL
Mon, Apr 13th	vs CLE	Gavin Williams (10-5)	#26
Mon, Apr 20th	@ MIA	Max Meyer (9-1)	#42
Thu, Apr 30th	@ PIT	Paul Skenes (9-8)	#3
Thu, May 7th	@ SD	Michael King (6-7)	#50
Thu, May 21st	vs PIT	Braxton Ashcraft (9-3)	#25
Thu, Jun 11th	@ NYM	Christian Scott (3-1)	#66
Mon, Jun 15th	vs SD	Wandy Peralta (1-1)	#213
Mon, Jul 6th	vs MIL	Shane Drohan (5-3)	#93
Thu, Jul 23rd	vs ARI	Brandon Pfaadt (4-1)	#79
Mon, Aug 3rd	@ NYY
Mon, Aug 10th	vs PHI
Thu, Aug 27th	vs BAL
Mon, Sep 7th	@ SF

Who Should I Trade?

Joe Rock for Riley O'Brien (2026)

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