Hector Rondon appears to be the Astros' new closer, giving his fantasy value a huge boost. Which other players should you add off the waiver wire?
The waiver wire has plenty of goodies available for the taking, so let's try to get a leg up on our fellow league members and make some moves where needed.
The four players below are all owned in fewer than 50% of ESPN leagues and could give your squad a shot in the arm as we head into the All-Star break.
Carlos Gonzalez - Colorado Rockies (OF)
ESPN Ownership: 42.