Here's your FanGraphs preview for the 2011 Astros.
It's a decent rundown, and here's your money quote:
The best-case scenario has Houston finishing fourth in the division, as they did in 2010. If the Astros hit some bad luck, there is a good chance they finish last in the division and maybe the league.
We didn't come out here to play tiddlywinks, son.
-Hal Smith
