One of the top defenses in the league signed one of its young pieces to a long-term extension July 20. Here's what you need to know.

The Kansas City Chiefs and defensive end George Karlaftis agreed to a four-year, $93 million contract that includes $62 million guaranteed, a person familiar with the negotiations told The Associated Press on Sunday.

The Chiefs and DE George Karlaftis reached an agreement on a four-year, $93 million contract extension that includes $62 million guaranteed