The Cardinals let Aldrete out of the final year of his contract to return to Oakland, where he played from 1993-95. He is a longtime resident of the area, too, having been born in Carmel, Calif., and then attending Stanford University before beginning a 10-year Major League playing career. He also played three seasons with the Giants.
A's manager Bob Melvin reached out to Aldrete, one of his former teammates, to gauge his interest in returning to the Bay Area after Oakland bench coach Chip Hale was named the D-backs' new manager.
Jenifer Langosch is a reporter for MLB.com. Read her blog, By Gosh, It's Langosch, and follow her on Twitter @LangoschMLB. This story was not subject to the approval of Major League Baseball or its clubs.