The San Francisco 49ers Report is live bringing you the latest 49ers news and 49ers rumors heading into NFL week 13, in which the San Francisco 49ers take on the Miami Dolphins in a game with plenty of storylines. The 49ers signed Janoris Jenkins to the practice squad, so we’ll discuss that. The 49ers got some good news on the Niners injury report as Arik Armstead is expected to be back at practice