Welcome back Kirk.
For me, this is good news. I wished that he would have stayed in Oakland all along, I thought he was a much better (much cheaper) option than signing Esteban Loaiza to the godawful contract that LAD thankfully took off our hands.
Anyway, I'm happy. Kirk's a good dude, and when given the chance to be a full time starter he was a solid back of the rotation guy. See: 2005. 159 innings of 105 ERA+ for next to no salary at all. If we can get that back, I'm a happy camper.
But yeah, I've gotten into many internet arguments on various A's boards about hating the fact that Saarloos wasn't given the 5th starter job straight away in 2006 and that Loaiza was signed. Consider this my vindication. How sweet it is. :D