Reds' revival fueled by defense

Scott Rolen's slick glove is a big reason the Reds are poised for a repeat in the NL Central. Jeff Curry/US Presswire

Adam Dunn is one of the best hitters in the game. A metronome of power and patience, he's averaged more than 40 home runs and 100 walks a season for the past seven years. Going by advanced stats such as weighted on-base average, he's been a more valuable hitter than even perennial MVP candidate Ryan Howard.

So when the Cincinnati Reds shipped Dunn to Arizona on Aug. 11, 2008, the franchise's entire outlook changed … for the better.