5. John Sullivan, Minnesota Vikings
Perhaps a surprise as a top-five center, but John Sullivan was incredible in 2011. He rarely missed assignments and was dominant in run blocking. He's a legitimate up-and-comer after four seasons.
B/R NFL 1,000: Top 32 Centers | Bleacher Report
Sure have seen alot of good stuff about Sully of late (and not all in Caine's beloved Bleacher Report).