Frost and the Athletics pulled the trigger for the Miller trade thanks to Leo De Vries' inclusion in the trade. Without him, the Athletics likely wouldn't have been interested in a Miller trade.

The San Diego Padres acquired All-Star closer Mason Miller and starting pitcher JP Sears through a trade with the Athletics, the teams announced Thursday.

The San Diego Padres have landed closer Mason Miller and left-handed starting pitcher JP Sears from the Athletics in a blockbuster trade deadline deal, the team announced Thursday. The return includes top shortstop prospect Leodalis De Vries, who ranked No. 3 on CBS Sports' midseason rankings.