The MLB trade market just exploded with the Tarik Skubal and Luis Castillo blockbusters. Discover how interim GM John Mozeliak can squeeze desperate contenders for max prospect returns on Reid Detmers and Jose Soriano.

MLB Trade Rumors: The Seattle Mariners have starting pitcher George Kirby generating trade interest, per Jeff Passan, who says that teams think that he is “available and could be moved” at the trade deadline. Passan also says that Emerson Hancock and Luis Castillo could also be moved.

Luis Castillo surrendered five runs with two strikeouts over five innings in a no-decision against the Dodgers on Tuesday.

There's an increasing likelihood that one of Mariners starters Luis Castillo or Emerson Hancock is traded in the next week, according to industry sources.