Last week, the boy who’d spent most of his first 2 1/2 years in hospitals finally saw his father pitch. Mikael Lopez. He is the son of the Brewers’ top pitching prospect, Jorge Lopez, coming up on his third birthday now but experiencing a flood of firsts after being released last month from a Cincinnati hospital. It was the most promising stop to date on his family’s quest for solutions to Mikael’s autoimmune disorder.