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.

San Diego Padres general manager A.J. Preller reveals the strategy he used to land Mason Miller from the Athletics.

Here is why that the Padres trading for Mason Miller left other teams in the MLB "pissed," which includes a certain prospect.