Mailbag: Benefits to trading after the draft

byDallas Cowboys Mailbag,Patrik Walker&Tommy Yarrish

(Editor's Note: Time to check the mail! The DallasCowboys.com staff writers answer your questions here in 'Mailbag' presented by Miller Lite.)

I'm thinking there could be three benefits to waiting until after the draft to make a trade: 1) Dallas will know what positions need an improved veteran presence; 2) other teams will know where they have surplu