According to the local newspaper:
A+ to AA:
Ryan Wright
Marquez Smith
Seth Mejias-Brean
Kyle Waldrop
Jesse Winker
Carlos Gonzalez
Ben Lively
AA to A:
Mikey O'Brien
AA to AAA:
Rey Navarro
Steve Selsky
Juan Silverio
3 players to DL or released from AA.
Unknown additions to A+ (6 expected) from below or subtractions (2 expected) from Louisville.
Edit: Sebastian Elizalde is now showing up on the Bakersfield roster!