Because he has lost all discipline. Those last two pitches he swung at...
Never had a chance of being strikes from the moment they left the pitchers hand. You have to read hand position, down angle, and type of pitch. Those balls all came out of the hand to the side and being change ups, never had any chance of crossing the plate.
If im not mistaken, he grounded out on 3-1 curve ball away with bases loaded in Oxford this past weekend. He should only be swinging at fastballs in that situation. No 17ing way he should swing at anything offspeed in that hitters count with bases loaded. Partly on him and partly on coaching.