The A's traded star closer Mason Miller and lefty JP Sears to the Padres for one of the top prospects in baseball. Read more at MLB Trade Rumors.

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.

The A’s beat the Mariners on Wednesday night. They had a two-run lead in the ninth inning, which is a typical save situation, but they did not use their closer. Mason Miller was unavailable, and on Thursday we found out why;