Bills believe rookie Ed Oliver will thrive in their defensive system
Bills lock up key defensive piece on $68 million deal
Bills sign Leonard Floyd to one-year deal - ESPN
Source: Bills Ed Oliver agrees to 4-year contract extension
Buffalo Bulletin: Trade, Extend, or Keep Ed Oliver?
State of the Buffalo Bills' roster: Defensive tackles - Buffalo Rumblings
Ed Oliver - NFL News, Rumors, & Updates
Bills' Ed Oliver lands big contract: DT agrees to four-year extension worth $68 million, per report
Buffalo Bills agree to one-year deal with linebacker Leonard Floyd