Following Saturday night’s disappointing 13-3 loss to the Seattle Seahawks (14-3) at Levi’s Stadium, the 49ers (12-5) received encouraging news regarding star quarterback Brock Purdy, who was slow to get up after being hit hard during San Francisco’s final offensive snap. “Brock Purdy had a stinger there at the end,” 49ers coach Kyle Shanahan told reporters postgame. “He would’ve returned.” Watch NBC Bay Area...