Dodgers News: J.D. Martinez Feeling 'More Comfortable' But Disappointed With 'Inconsistent' Start
Red Sox's J.D. Martinez takes every swing seriously
J.D. Martinez and methods of hitting
Bobby Dalbec getting hitting advice from J.D. Martinez
JD Martinez Swing Feels
Martinez focuses on routine to recapture swing
J.D. Martinez Shows Off His Stunning Backyard and 'The J.D. Room
Watch Red Sox's J.D. Martinez Take Swings In Batting Cage
J.D. Martinez on His Many Adjustments
How J.D. Martinez transformed an awkward swing into an elite one - The Boston Globe