Out of curiosity, I created this page that will give you a new Power Rankings comment at random and completely out of context every time you refresh:
http://www.yffl.com/random
Some of the ones I've seen so far:
"Mr. "49-yards receiving" Jerry Porter could be benched soon."
"Boner of the Year: Carr starts over Brees; costs Chickens the victory!"
"We can build on this! - Herm Edwards"