Fantasy Baseball Pickup?

Question

I am going to pick up Ryan Zimmerman, WAS 3B and/or Juan Pierre, LAD OF. Should I pick up either of these guys and if so who should I drop?

Evan Longoria, TB 3B

Edgar Renteria, Det SS

Aaron Rowand, SF OF

Xavier Nady, Pit OF

Jay Bruce, Cin OF

Howie Kendrick, LAA 2B

J.J. Hardy, Mil SS

A.J. Burnett, Tor SP

Brian Wilson, SF RP

B.J. Ryan, Tor RP

Jon Rauch, Was RP

Trevor Hoffman, SD RP

Gavin Floyd, CWS SP

Answer 1

Drop Renteria and pick-up Zimmerman, unless you need SB then pick up Pierre.