The San Francisco 49ers are back at it in preparation for the preseason finale and got some reinforcements on defense with cornerback Emmanuel Moseley and defensive lineman Arik Armstead. Trey Lance found it more difficult vs his own team at practice following a nice week in Minnesota. Could rookie Jason Poe go from undrafted to starting left guard? Learn more about your ad choices. Visit podcastchoices.com/adchoices