Player Pool: All · NL
| Date | Traded | Traded For | Scoring | Pool | Level | | 05/21/2013 | Burch Smith, SP SD Zack Cozart, SS CIN Neftali Soto, 1B CIN Wily Peralta, SP MIL Bryce Harper, LF WAS Josh Beckett, SP LAD
| Adam Wainwright, SP STL David Wright, 3B NYM Sergio Romo, RP SF Everth Cabrera, SS SD Andre Ethier, RF LAD Matt Cain, SP SF
| roto | NL | commish | | 05/21/2013 | Welington Castillo, C CHC Todd Helton, 1B COL Carlos Martinez, RP STL Bryce Harper, LF WAS Edward Mujica, RP STL
| Mike Minor, SP ATL Adrian Gonzalez, 1B LAD Jason Kubel, LF ARI Yadier Molina, C STL Wily Peralta, SP MIL
| roto | NL | commish | | 05/20/2013 | Rob Brantly, C MIA Brandon Beachy, SP ATL Bryce Harper, LF WAS Brandon League, RP LAD
| Jonathan Papelbon, RP PHI David Wright, 3B NYM Buster Posey, C SF Madison Bumgarner, SP SF
| roto | NL | commish | | 05/20/2013 | Jason Grilli, RP PIT Matt Cain, SP SF Michael Cuddyer, RF COL Bryce Harper, LF WAS
| Allen Craig, 1B STL Lance Lynn, SP STL David Hernandez, RP ARI Kyuji Fujikawa, RP CHC
| roto | NL | commish | | 05/19/2013 | Bryce Harper, LF WAS Brandon McCarthy, SP ARI
| Homer Bailey, SP CIN Angel Pagan, CF SF
| roto | NL | commish | | 05/19/2013 | Hyun-Jin Ryu, SP LAD J.J. Hoover, RP CIN Cameron Maybin, CF SD Bryce Harper, LF WAS Juan Pierre, LF MIA
| Kris Medlen, SP ATL Carlos Gonzalez, LF COL Matt Kemp, CF LAD Paul Maholm, SP ATL
| roto | NL | commish | | 05/19/2013 | Welington Castillo, C CHC B.J. Upton, CF ATL Shane Robinson, RF STL David Wright, 3B NYM Troy Tulowitzki, SS COL Wandy Rodriguez, SP PIT Johnny Cueto, SP CIN
| Cesar Puello, RF NYM Marcell Ozuna, RF MIA Bryce Harper, LF WAS Wade Miley, SP ARI
| roto | NL | commish | | 05/19/2013 | Carlos Gomez, CF MIL Carlos Gonzalez, LF COL Stephen Strasburg, SP WAS Kenley Jansen, RP LAD A.J. Burnett, SP PIT
| Matt Reynolds, RP ARI Shelby Miller, SP STL Tony Cingrani, SP CIN Nolan Arenado, 3B COL Mike Fiers, RP MIL Bryce Harper, LF WAS Johnny Cueto, SP CIN
| roto | NL | commish | | 05/19/2013 | Adam Wainwright, SP STL David Wright, 3B NYM Sergio Romo, RP SF Everth Cabrera, SS SD Andre Ethier, RF LAD Matt Cain, SP SF
| Zack Cozart, SS CIN Burch Smith, SP SD Neftali Soto, 1B CIN Wily Peralta, SP MIL Bryce Harper, LF WAS Josh Beckett, SP LAD
| roto | NL | commish | | 05/19/2013 | Martin Prado, 3B ARI David Freese, 3B STL Bryce Harper, LF WAS Juan Pierre, LF MIA Drew Storen, RP WAS
| Billy Hamilton, SS CIN Aramis Ramirez, 3B MIL Angel Pagan, CF SF Adrian Gonzalez, 1B LAD Tim Hudson, SP ATL Rafael Soriano, RP WAS
| roto | NL | commish | | 05/17/2013 | Kenley Jansen, RP LAD Scott Feldman, SP CHC Justin Upton, LF ATL
| Bryce Harper, LF WAS Ryan Vogelsong, SP SF Tyler Clippard, RP WAS
| roto | NL | commish | | 05/17/2013 | Bryce Harper, LF WAS Adam LaRoche, 1B WAS
| Ryan Howard, 1B PHI Ryan Braun, LF MIL
| roto | NL | commish | | 05/17/2013 | Alfonso Soriano, LF CHC Gio Gonzalez, SP WAS Joey Votto, 1B CIN
| Kris Medlen, SP ATL Bryce Harper, LF WAS Ty Wigginton, 3B STL
| roto | NL | commish | | 05/15/2013 | Bryce Harper, LF WAS
| Will Venable, RF SD
| roto | NL | commish | | 05/13/2013 | Zack Cozart, SS CIN Cole Hamels, SP PHI Justin Upton, LF ATL
| Bryce Harper, LF WAS
| roto | NL | commish | | 05/13/2013 | Alex Gonzalez, 1B MIL Stephen Strasburg, SP WAS Bryce Harper, LF WAS Nick Noonan, SS SF Jordany Valdespin, CF NYM Kyuji Fujikawa, RP CHC
| Bronson Arroyo, SP CIN Ryan Braun, LF MIL Aramis Ramirez, 3B MIL Carl Crawford, LF LAD Jimmy Rollins, SS PHI Ian Kennedy, SP ARI
| roto | NL | commish | | 05/12/2013 | Bryce Harper, LF WAS Gerrit Cole, SP PIT
| Andrew McCutchen, CF PIT Cole Hamels, SP PHI Mat Latos, SP CIN Adam LaRoche, 1B WAS
| roto | NL | commish | | 05/11/2013 | Anthony Rendon, 3B WAS Kyle Blanks, LF SD Stephen Lombardozzi, 2B WAS Todd Frazier, 3B CIN Matt Carpenter, 2B STL
| Matt Holliday, LF STL Adrian Gonzalez, 1B LAD Mark Ellis, 2B LAD Bryce Harper, LF WAS
| roto | NL | commish | | 05/11/2013 | Adam Eaton, LF ARI Bryce Harper, LF WAS
| Starling Marte, LF PIT Starlin Castro, SS CHC
| roto | NL | commish | | 05/09/2013 | Bryce Harper, LF WAS Carlos Marmol, RP CHC Eric Stults, SP SD
| Santiago Casilla, RP SF David Wright, 3B NYM Jason Motte, RP STL Mat Latos, SP CIN
| roto | NL | commish | |
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