Bard = Nieves. They are two halves of a whole. Bard is the Bat, Nieves is the glove. personally I'd rather have neither. I'd rather have someone better than both of them.
A couple of advanced stats from BP:
Equivalent
Average Rate*
Bard .231 83
Nieves .226 104
* 100 = average defensive catcher.
So slight edge offensively to Bard, but large advantage to Nieves for defense.
