In his mailbag as the A's writer for MLB, Mychael Urban takes a look at some of the players the A's may make available prior to the trade deadline.I'll believe a trade when I see it between these two GMs I think they both think the other is trying to be too shrewd and while they've been linked by rumors over the years they have never pulled anything off. I think Matt Holiday would be too costly, Orlando Cabrera and Bobby Crosby aren't appealing in the least to me. But Adam...