Rookie Travis Buck and newcomer Todd Walker make the team; Antonio Perez does not. So says The Chronicle's A's blog. And it's confirmed via press release. The A's add the further detail that Perez has been designated for assignment.

Probably the right move. If you're an A's fan, you probably weren't inspired by spying Antonio Perez's name in the lineup last year, and that was unlikely to change in 2007. Todd Walker can play all the positions that Perez can (plus first) and certainly can't do any worse at the plate. And Buck -- he had a very good spring. All signs and portents point to him being ready for the Bigs right now, though me, personally, I would have had him start the season at Sacramento for some extra seasoning.

In less unexpected roster news, Esteban Loaiza joins Mark Kotsay and Dan Johnson on the D.L. Lenny DiNardo is your 12th pitcher. Brad Halsey would like to hear restaurant recommendations for the Sacramento area.

More from Ken above!

Update: In the time it's taken me to write this, post it, see that Ken has already posted something similar, and update my post accordingly, Joe Kennedy has given up a triple and a home run, and drilled a guy in the foot. It'll be a short stay in Sacto for Mr. Halsey, I'm guessing.