The 2015 San Diego Padres season had a general manager of which former Texas Rangers assistant GM?
2015 San Diego Padres season:  General Manager A. J. Preller had a busy offseason, acquiring a new starting outfield in Matt Kemp, Justin Upton, and Wil Myers, while adding to an already strong bullpen with All-Star closer Craig Kimbrel. A. J. Preller: A. J. Preller is the general manager of the San Diego Padres Major League Baseball club. A. J. Preller:  He was hired by the Padres on August 5, 2014 while serving as the assistant GM for the Texas Rangers.
A. J. Preller