Leap Years Author:SI StaffPublish date:Dec 9, 2016Leap YearsLatest NFL NewsSeahawks Lose Top LB TargetGiants Add Former Bills, Colts Receiver Isaiah McKenzieSteelers Land Veteran CB in Panthers TradeChiefs Restructure Patrick Mahomes’s Contract for Cap ReliefJets' Sauce: Mecole Hardman 'Never Earned His Stripes!'