Fantasy football Waiver Wire: Underwood, Green could bolster rosters

GONOS: Start 'Em, Sit 'Em -- Get an edge in your playoff matchupSI STAFF: Player Rankings -- Peterson could struggle against Ravens run defenseBELLER:

Tiquan Underwood has shown recently that he can be a viable fantasy receiver in the right matchup :: Gregory Shamus/Getty Images

GONOS: Start 'Em, Sit 'Em -- Get an edge in your playoff matchup
SI STAFF: Player Rankings -- Peterson could struggle against Ravens run defense
BELLER: Analyzing the fantasy implications of a 9:30 a.m. ET kickoff in 2014
EDHOLM, MIGLIO: Bold Strategies -- Rod Streater faces strong matchup
McQUADE: Risers, Sliders -- Spiller finally comes through for his owners
BELLER: Early Week 14 Fantasy Advice -- Making sense of huge performances