7:49pm: The Diamondbacks have also "made contact" with Aubrey Huff, reports Jack Magruder of FOXSportsArizona.com (on Twitter). The 35-year-old Huff hit .192/.326/.282 in 95 plate appearances for the Giants while missing lots of time with knee with knee problems.
McCarthy, 29, pitched to a 3.24 ERA with 5.9 K/9 and 1.9 BB/9 in 111 innings for the Athletics this year. He missed time with shoulder surgery as well as a head injury after getting hit by a line drive. The D'Backs are said to be seeking a veteran starter to add to Ian Kennedy, Wade Miley, and Trevor Cahill. Patrick Corbin, Tyler Skaggs, Josh Collmenter, and Trevor Bauer could also be in the rotation mix as Daniel Hudson rehabs from Tommy John surgery.