The Nike Free Mercurial Superfly SP “Dark Grey” is the latest colorway to surface and is said to release this Thursday, January 22nd, 2015 at select Nike retailers. This “Dark Grey” edition of the Nike Free Mercurial Superfly SP is a runner up to the HTM version that released back in June 2014. Check out the on-foot photo and let us know what you guys think in the comments section. Is this a release worth searching to cop?