The most and least favorable matchups in the NFL for this week's games at the four key fantasy positions: QB, RB, WR and TE.

"You're in, then you're out. You're up, then you're down." Some will look at those words and think they're lyrics from Katy Perry's hit song, "Hot N Cold." Others will see those same words and believe...

In the inaugural CFF season, Yahoo analyst Eric Froton is compiling his rankings every week for each roster position, including quarterback, running back, wide receiver and tight end.