Pittsburgh safety Mike Mitchell was fined $57,735 by the NFL on Friday for two hits he made in the Steelers' win over Kansas City last Sunday.
Mitchell was docked $48,620 for a helmet-to-helmet shot to Chiefs running back Charcandrick West that resulted in a concussion. He also was fined $9,115 for hitting quarterback Alex Smith low near the end of the third quarter.
Steelers linebacker Bud Dupree also received a $24,309 fine for roughing the passer on a hit he made on Smith.
Also in that game, Pittsburgh running back Le'Veon Bell was docked $12,154 for unsportsmanlike conduct after he used the goal post as a prop during a touchdown celebration.