Should I do this dynasty trade? WHIR

[ichirosan]

20 man dynasty league, H2H 6x6 with OPS and Holds as the extra cats.

My team currently looks like this:

C - Matt Wieters
1B - Lance Berkman
2B - Chris Getz
3B - Plácido Polanco
SS - Ian Desmond
LF - Logan Morrison
CF - Matt Kemp
RF - Carlos Quentin
UT - Austin Jackson
BN - Garrett Jones
BN - Kila Ka'aihue
BN - Matt Holliday
DL - Evan Longoria
DL - Jason Donald

SP - Justin Verlander
SP - Josh Johnson
SP - Colby Lewis
SP - Jordan Zimmermann
SP - Daisuke Matsuzaka
RP - Fernando Rodney
RP - Kevin Gregg
RP - Koji Uehara
RP - Michael González
RP - Wilton López
RP - Matt Lindstrom
RP - Rafael Pérez
DL - J.P. Howell

My minor leagues include Jason Kipnis, Michael Taylor, Shelby Miller and a bunch of no names.

I got offered Alexi Casilla, Danny Valencia and either José Iglesias or Dayan Viciedo (the last of which I would be able to send to my minor leagues) for Placido Polanco and Rafael Pérez. I'm leaning towards doing it with Viciedo included, as I believe Getz can cover for Polanco once Longoria returns.

Thoughts?