PITTSBURGH – Jimmy Paredes is the 2013 Astros. Young, energetic and somewhat promising. Unproven, unsteady and not quite ready for prime time. Paredes and his rebuilding club became a cruel baseball punchline late Friday. Slowed-down TV highlights and detailed internet videos of the 24-year-old right fielder crashing into the back of fill-in second baseman Jake Elmore were constantly replayed while announcers and fans laughed at the Astros’ expense. It was the Astros being the Astros, they said. It was what happens when a pro baseball team provides career training in a real-time environment. Paredes, 24, played 20 games at third base for Class AAA Oklahoma City and just nine in [...]