Rivals had McCullers #2, Phillips #3, and O'Brien #5.
actually McCullers, O'Brien and Phillips were all buttered up and ready to commit when Dooley was hired... so he just did a good job of holding onto them, but really most other teams didn't have room for them so they didn't really have other options.
This info is wrong according to this. It has Phillips at #9 and O'Brien at #12.
Yahoo Sports: Rivals.com Ranking - Rivals.com defensive tackles 2012
It also has McCullers as the #6 overall JUCO. #1 JUCO DT
Yahoo Sports: Rivals.com Ranking - Rivals.com junior college postseason top 50 2012