The absence of Sidney Rice for the half season immediately put pressure on Vikings wide receiver Percy Harvin. Harvin, the No. 2 guy in Minnesota before Rice's hip surgery, now finds himself as Brett Favre's top target.
Harvin, who is battling through a bout of migraines, will be relied upon to shoulder much of the wide receiver production for the Vikings and be the key to the Vikings playoff chances.
Yet, Harvin is not alone. There is a player on each of the 20 teams most consider to be playoff contenders right now which will shape their team's production and fortune when it comes to making the postseason. Here is a look at those 20 players which could mean playoffs or bust for their team.