Player Pool: All · NL
| Date | Traded | Traded For | Scoring | Pool | Level | | 05/19/2013 | Collin Cowgill, CF NYM Ryan Vogelsong, SP SF Homer Bailey, SP CIN Stephen Lombardozzi, 2B WAS Michael Wacha, SP STL
| Chris Carpenter, SP STL Brandon McCarthy, SP ARI Scott Feldman, SP CHC Marlon Byrd, RF NYM Adam LaRoche, 1B WAS
| roto | NL | commish | | 05/19/2013 | Chris Carpenter, SP STL
| Chris Young, SP WAS
| roto | NL | commish | | 05/12/2013 | Tim Lincecum, SP SF
| Chris Carpenter, SP STL John Gast, SP STL Jordan Schafer, CF ATL
| roto | NL | commish | | 05/12/2013 | John Gast, SP STL Chris Carpenter, SP STL Jordan Schafer, CF ATL
| Tim Lincecum, SP SF
| roto | NL | commish | |
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