Ground Force: Use IT!

Learn to Switch Hit: Drill One

The Youth Swing: Too Much Rotation!

Learn to Switch Hit: Use Your Strong Side

Unload The Swing Like a Pro

Swing Plane Relativity

Brantley and the Mistake Pitch

Players that hit home runs consistently hit balls hard in their zone. There are two images marked with "O" that show an adjustment. If you look at these videos yourself you will see that he was anticipating these pitches, which is evident by how soon he gets into his front heel in his weight shift.
http://m.mlb.com/video/v32152789/cledet-brantley-belts-a-tworun-home-run/?c_id=mlb

Otherwise, he is obviously waiting for the pitcher to make a mistake in the zone he is strongest. Notice the catcher set up on the outer half. Paul Molitor attributed his 3000+ hits to "I never missed a mistake."