Parra, 27, is hitting .259/.305/.362 in 440 plate appearances this year. Parra had a mostly successful six-year run in Arizona, winning Gold Glove Awards for his defense in 2011 and 2013 .
Rated as the third best prospect in the Brewers system Haniger, 23, is hitting .255/.316/.416 in 271 plate appearances this year.
Banda, 20, is a left-handed pitcher who was most recently with Low-A Wisconsin, where he was 6-6 with a 3.66 ERA and posted an 11-13 record with a 4.40 ERA over three minor league seasons. He has struck 171 batters in 186 innings while walking 87.