Brock Purdy, Christian McCaffrey praise San Francisco ahead of Super Bowl San Francisco 49ers players Brock Purdy and Christian McCaffrey tell Fox News why the Bay Area makes for a perfect Super Bowl host city. The San Francisco 49ers have done a lot of important offseason work adding exciting pieces to their team or making sure key players stay put. So, general manager John Lynch was happy to discuss some of those this week because ... ... The 49ers have signed WR Mike Evans . ... Signed LB