Top classes, big sleepers

Each of the nation's top 2016 recruiting classes are highlighted by some notable names -- and just about all of those groups have some players who are receiving less attention than their classmates.

Below we take the first of our two-part look on sleepers who could surprise and become immediate contributors in 2016-17, focusing on the bottom half of the classes ranked in the current ESPN top-40. Sleepers on teams ranked 1-20 will appear next Monday: