The San Francisco 49ers' net for another veteran wide receiver is getting wider.ESPN's Adam Schefter reporting that Pittsburgh's Emmanuel Sanders is set to visit the 49ers on Saturday. He is visiting with the Chiefs on Friday. The Sanders' visit follows a San Francisco visit by New England's Julian Edelman. The 49ers are also reportedly interested in Giants' free agent Hakeem Nicks. Both Edelman and Nicks are getting a lot of interest in the free-agent market.