1.) Trevor Cahill2.) Brett Anderson3.) Gio Gonzalez4.) Dallas Braden5.) Rich HardenOther Possibilities: Brandon McCarthy, Fautino De Los Santos, Bobby CramerMany are labeling the A's as their surprise team of 2011 and the pitching is a big reason.Cahill was terrific last season, only his second in the bigs, and, at age 23, figures to have many more good seasons ahead.