The Kansas City Chiefs enjoyed a massive 21-13 win over division rival Oakland Raiders on Thursday night, but it came at a price.
Leading tackler and defensive leader Derrick Johnson went down with a non-contact injury in the second quarter, and after the game head coach Andy Reid confirmed Johnson suffered a ruptured Achilles on the play, ending his season.
"It's a sad deal," Reid said after the game.
The former All-Pro linebacker also tore his Achilles during the 2014 season.
Johnson has 89 tackles, a sack and an interception this season. He has gone over 100 tackles five times in his 12-year career.
D.J. Alexander will likely get the first chance to start in his place for the remainder of the season.