The Padres picked up Mason Miller in a blockbuster trade that required giving up a coveted prospect, but he struggled on Tuesday.

AJ Preller was also discussing shortstop prospect Leo De Vries with the A's and Guardians leading up to the MLB trade deadline, according to a new report.

The San Diego Padres landed Mason Miller from the Athletics in a deadline blockbuster, which also included JP Sears and infield prospect Leo De Vries. But the deal wasn't the Athletics' first choice for a potential Miller trade.