Smith's new deal, at $23 million per year, also guarantees the offensive lineman $70 million. The 26-year-old Smith becomes the highest-paid guard in NFL history, topping Philadelphia's Landon Dickerson, who was extended last year at four years and $84 million on a contract with a $21 million average annual value.

Smith and the Chiefs have agreed to a four-year, $94 million extension, NFL Media reported on Tuesday.

"The two sides have been in communication," Rapoport said. "There have been negotiations. We do not know right now if the deal is going to get done, but at least as of this moment, it is a possibilit...