I was about to dismiss this as retarded, but then I remembered Rattay having a few good games. I decided to research and he actually played damn well.
http://www.nfl.com/players/playerpag.../gamelogs/2004
His one year of starting.
Edit: The few games he played
http://www.nfl.com/players/playerpag.../gamelogs/2003 in 2003 are pretty impressive as well. Moreso than Smith..I'm not suggesting anything, I'd rather have Smith because he's developing but it's not completely retarded as I initially thought.