I wouldn't do it, Stamkos still hasn't even hit his peak yet and all you are getting in return are prospects. Yes skinner and pietrangelo have proved something at the NHL level, but definitely not enough for me. I advise if you're trading Stamkos to put him on the block and see what other packages you can get.
The Ultimate Fantasy Hockey League. (Keep 17)
3C 3LW 3RW 6D 2G 6BE.
G,A,+-,PIM,PPP,SHP,GWG,SOG,FW,HIT; GS,W,L,GAA,SA,SV, SV%,SO
(C) Kopitar, Kuznetsov, O'Reilly, Karlsson, Roslovic, Zacha
(LW) Ovechkin, Forseberg, Bertuzzi(RW),
(RW) Rantanen, Bratt(LW), Radulov
(D) Josi, Burns, Pietrangelo, Karlsson, Heiskanen, Dunn, Boqvist
(G) Gibson, Quick, Hart, Petersen
(IR) Domi
10 Person Farm: (<200GP for F, <100GP for G)
(C) Zegras(LW), Bourque
(LW) Kaliyev(RW)
(RW) Glass(C), Raymond(LW)
(D) Power
(G) Ingram, Knight, Levi, Primeau