SAN DIEGO -- The San Diego Padres acquired hard-throwing closer Mason Miller and left-hander JP Sears in a deal with the Athletics on Thursday, adding major upgrades to their pitching staff in a trade deadline blockbuster.

The San Diego Padres have acquired pitchers Mason Miller and JP Sears from the Athletics in exchange for shortstop Leodalis De Vries and three other players, bolstering their All-Star bullpen ahead of the MLB trade deadline.

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.