Pat Yasinskas/ESPN.com - Jonathan Stewart's five-year contract extension with the Panthers is worth $36.5 million.
The deal could reach a maximum of $42.5 million, according to a league source. It includes $22.5 million guaranteed.
"We are thrilled to be able to extend Jonathan for five additional years," Panthers general manager Marty Hurney said in a statement.
"He is a perfect fit for our organization. He is a playmaker who can make the difference in games and we have seen the impact he and DeAngelo Williams have had on our team."
