Joe Mauer reported improvement with his concussion-related symptoms Thursday. "He did not feel great [Wednesday]," said Rob Antony, Twins assistant general manager. "He was better [Thursday]." For what it's worth, Mauer's teammate, Justin Morneau, who has plenty of experience with concussions, said it's "a good sign" that Mauer has felt improvement right away. "Obviously, I'm not a doctor, but I have dealt with this stuff," Morneau added. "When you have the same symptoms for the first week, 10-12 days that's not necessarily a good sign. But he's showing that he's feeling better already and he should be all right. You hope for the best."