Houston Astros GM Dana Brown says Isaac Paredes will have a second opinion on hamstring but it is worse than first thought.

With the MLB trade deadline less than a week away, the Houston Astros are expected to be buying talent to bolster their injured roster. Houston could bring in a left fielder or second baseman. But after the injury to Isaac Paredes, their plans have taken a turn.

Houston's All-Star third baseman injured his right hamstring on July 19 and could face an extended absence: "It's tough to be optimistic."