on june 21, 2007 johnson stated that he was willing to sit out the chiefs' training camp unless he and the chiefs reach an agreement on a new contract. on july 22, rumors spread about johnson being traded to the green bay packers. the initial asking price was a first-, second-, and third-round draft pick. however, on august 21, johnson and the chiefs agreed to a five-year contract extension that locked johnson up with the chiefs through the 2012 season. as a result of the extension, johnson was the highest-paid running back in the nfl based on average salary per year. his new contract covered six years and was to pay him $45 million, with $19 million in guaranteed money—the biggest contract in chiefs history.