I've found that the quickest and most up-to-date site for injury news is rotoworld.com
That said, there isn't any info on Backstrom so I would hazard a guess and say that our best option at this point is to comb the forums in the hopes that someone overseas has more up-to-date info than we do!
28 team, pts only, Keep 9
Start 9 fwd, 4D, 1G
F: Bickell, Bouchard, Clarkson, Clowe, Cullen, Malkin, Roy, Silfverberg*, Zetterberg
D:Ellis*, Girardi, Kronwall, Martin
* free protection
F: Killorn, O'Dell, Shore, Stransky, Tarasenko