Joe Montana was a pro bowler one, too, and he has no place in the roster. Dareus is a slob and we are better for his departure. Imagine if, at your job, the least productive worker made a yearly salary close to 30x what many of the good workers earn. After awhile it gets harder and harder to motivate the good employees when the overpaid, morale-killing sloth is around. This trade is quintessential addition by subtraction.