Starting pitcher Colin Rea left his first start with the Marlins as a result of an injury and eventually was shipped back to San Diego in exchange for prospect Luis Castillo. Major League Baseball punished the Padres GM soon thereafter, but the Marlins were prepared to void the trade completely, according to FOX Sports’ Ken Rosenthal.
A complete voiding of the initial trade, as the Marlins understood it, would have been complicated by the fact that Cashner already had pitched for them, allowing one earned run in six innings in a 5-4 victory over the Cardinals on July 31.
After sending Rea, a controllable starting prospect who seemed to be in a position to earn a spot in Miami’s starting rotation, back to the Padres, the Marlins were prepared to trade prospect Josh Naylor to Philadelphia in exchange for starter Jeremy Hellickson. Though it would have been a few months of Hellickson, who took Philadelphia’s qualifying offer, Miami ended up trading more pieces to the Padres in exchange for a few months of Andrew Cashner.
Cashner didn’t have much success with the Marlins, pitching to a 5.98 ERA and 4.68 FIP over 52.2 innings. Hellickson ended the season with a 3.71 ERA over 189.0 innings with the Phillies.
At the time, Cashner was thought to be the best available starting option, though the Marlins also seemed determined to add a controllable arm, which Rea was. If the Marlins sent Naylor to Philadelphia for Hellickson, Castillo could have been used to acquire another starter, according to Rosenthal.
Nonetheless, the Marlins sent Castillo to Cincinnati in exchange for Dan Straily in January, and he could start for the Marlins in 2017. However, it’s clear now the Marlins were entirely prepared to move on from the San Diego situation.