Dolphins signed fullback Rolly Lumbala http://blogs.palmbeachpost.com/thed...-for-another-prospect-fullback-rolly-lumbala/ Miami Dolphins Re-Sign Six to Future Contracts http://bleacherreport.com/articles/321024-miami-dolphins-re-sign-seven-to-future-contracts This week the Dolphins signed British Columbia Lions receiver Ryan Grice-Mullen,
Rolly Lumbala - IIRC he was signed as an UDFA in 2008 and participated in the rookie mini-camp. Also one of the players Boomer identified as Miami targets that year.
He doesn't have to. Having Polite as the main fullback and another guy as an H-Back can do wonders for an offense, IMO.