Kansas City Chiefs President Carl Peterson announced on Friday that TE Tony Gonzalez agreed in principle to a five-year contract extension. As per Chiefs policy, no further terms of the agreement were announced. ?Simplistically, we?re very pleased to get this done,? Peterson said. ?It will, in all essence, allow Tony Gonzalez to finish his career with the Kansas City Chiefs. The obvious is he?s been a very, very productive player for us. I think for our fans in Kansas City it was important for us to get this done. He?s done a marvelous job for us both on and off the football field.?