Takeaways from preseason Week 2 as the San Francisco 49ers took on the Minnesota Vikings without most of their starters. Undrafted rookie running back Jordan Mason putting pressure on the 49ers to keep him on the roster, but is there room? Second round defensive end Drake Jackson has a bright future, while veteran Javon Kinlaw is primed for a breakout. And, is there a QB battle for the backup spot between Nate Sudfeld and Mr. Irrelevant Brock Purdy? Learn more about your ad choices. Visit podcastchoices.com/adchoices