The Yankees sent Jesus Montero, their top hitting prospect, to the Seattle Mariners for Pineda.

FORBES: Yankees Bolster Rotation With Kuroda And Pineda

The Yankees wagered much on Pineda, trading their best prospect, Jesus Montero, for his services last winter.

WSJ: One Thing Is Certain: Pineda's Gut Is Gone

The Yankees and Mariners have been trading partners several times over the last couple of years, pulling off deals involving Ichiro Suzuki and Jesus Montero.

WSJ: Yankees acquire RHP Shawn Kelley from Mariners