Valdez, who currently holds that title in Houston, can be a free agent ... Bryan Abreu has the stuff to be the primary setup man, if needed, but the Astros must be wary of overuse after Abreu ...

Abreu, now the Astros’ primary set-up man ... right-hander will assume eighth-inning duties this season after Houston traded Ryan Pressly to the Cubs last month. Hader signed a five-year ...