David Reutimann's win last weekend in Chicago shed the light on one of NASCAR's underdogs, but this season has seen a number of top-level drivers take a back seat to those racing at the front. SI.com's Cory McCartney takes a look at some of the bigger names in the sport that find themselves underdogs in 2010.

Plus, some discussion about the No. 3 and this weekend's pick to win the Nationwide Series race at Gateway.

Who are NASCAR's most underrated drivers in 2010? (SI.com)