In the wake of Towles' severe demotion, the Express are saying that Brian Esposito has been promoted from Corpus to Round Rock, presumably to backup Jason Castro.
So let's recap. 24 hours ago we had:
C1: J.R. Towles
C2: Humberto Quintero
C3: Jason Castro
C4: Kevin Cash
C5: Brian Esposito
C6: Lou Santangelo
Today it's...
C1: Humberto Quintero
C2: Kevin Cash
C3: Jason Castro
C4: Brian Esposito
C5: J.R. Towles
C6: Lou Santangelo