Coming in at #4 in the player-by-player look at 2012 is Corey Hart. His bat helped keep the offense going, but the real value that Hart provided may have come from an in-season position switch.

Even the most optimistic Brewer fans have to be pleasantly surprised by what the Brewers got from Aoki this season.

An unfortunately-timed suitcase injury prevented Jonathan Lucroy from having the cliche "breakout year", but we have now seen legitimate proof of the promise he has at the plate and in the field.

Fan rankings of the season's most valuable Brewers

While he was only with the Brewers for four months of 2012, Zack Greinke's contribution to the Brewers was undeniable. His final contribution to the team may have a lasting impact in the next six seasons.

Estrada went from afterthought middle reliever to top half of the rotation starter in 2012.

A somewhat disappointing Brewer season could have gotten much worse without this surprising contribution.

The rookie catcher came out of nowhere to stabilize one of the game's most important positions.

Can Weeks put his slow first half behind him and bounce back in 2013?

After ten years in the minors, Jim Henderson made the most of his first major league opportunity in 2012.