The natural tendency is to compare players to those who played their position before them. Ben Jones seemed like the best center Georgia was going to have for a long time. But Andrews came along and has been a steady cog in the Georgia offensive line. There was no real visual falloff form Jones' departure to the Houston Texans (as a starting guard no less… think about that – Andrews is probably still undervalued by Georgia fans).
Why is Andrews so important? If he's not playing center – working with Aaron Murray to identify what's what in front of the Bulldogs – Chris Burnette or Dallas Lee would play center, and the shifts would be on. But it's not just that; Andrews isn't just filling a spot at center. He's probably the best lineman at Georgia at any particular given position on the line.
Andrews isn't about upside; He's not about looking pretty. Andrews is just about whipping your ass, and that's just what you want in an offensive lineman.