In your format, you will need to pay a fortune and the logistics of your salary cap may prohibit a deal he will look at. He looks like he's in a rebuild and Alex is a key cog.
I know in my league it would cost you a top ten forward plus a stud on the backend to land Pietrangelo.
F-Crosby,Jarvis,Wheeler,Horvat,Mittlestadt,Landeskog ,
Cooley,Newhook,JT.Miller,Vrana,Bjorkstrand,Connor,
Greenway, Aho
D-Carlson,Hedman,Pulock,Pionk,
Klingberg,Addisson,Forsling,Korchinski
G-Hellebuyck,Kotchetkov,Oettinger,Wallstedt,Dostal
F-G,A=1pt (14 count)
D-G,A=1pt,+- (8 count)
G-Win=3pts,T=1,SO=2,G,A=1 (3 count)
12 Team Dynasty