The Mariners will need to trade some prospects in order to become World Series contenders, and here are two that should be on the move.

Houston managed just four hits in opening loss to Seattle and despite Astros' pitching injuries, adding more offense is becoming priority.

As has been the case the past few years, the Astros find themselves the kings of the west at the All-Star break, a four-game lead over the Seattle Mariners. The team being obvious buyers at the trade deadline in a couple of weeks,