ST. PETERSBURG, Fla. – Locking in the five young men who will comprise the Astros’ starting rotation in 2015 is almost as difficult in July 2013 as predicting when the rebuilding club will again be a better-than-.500 team. But if Tampa Bay ace David Price is even somewhat matched through five-plus innings Friday and the Astros place a baseball in the right hand of a League City native every five days during the second half of the season, one of the key pieces of the club’s uncertain future could become clear. Since he was a kid, Jarred Cosart has wanted to be an Astro. Now, he officially is. The 23-year-old [...]