11:45am: Talks between the A's and D'Backs have advanced but aren't close to completion, tweets Olney. He reiterates that Bauer is a player of interest to Oakland.
THURSDAY, 8:49am: The A's and D'Backs have discussed the names of many prospects as a possible return for Cahill, even including Trevor Bauer, reports ESPN's Buster Olney. Bauer, I should note, can't even be included in a deal as a player to be named later until late January.
WEDNESDAY, 1:49pm: Add Athletics righty Trevor Cahill to the list of pitchers under pursuit by the Diamondbacks, tweets Ken Rosenthal of FOX Sports. He says they'd need to surrender Tyler Skaggs for Gio Gonzalez, but not for Cahill. Cahill, 23, is signed through 2015 with club options on the '16 and '17 seasons.