Astros get C Pagnozzi from Braves
The Astros haven't said how long they expect Castro to be out. But his injury Sunday left them with just one healthy catcher on the roster in Cody Clark.
Catchers Carlos Corporan and Max Stassi are both on the seven-day concussion disabled list.
Pagnozzi had played in 33 games in a career with stops in St. Louis, Colorado and Pittsburgh.
Houston transferred right-hander Edgar Gonzalez to the 60-day disabled list to make room for Pagnozzi on the roster.