The NFL announced Saturday that it has fined San Francisco 49ers left tackle Trent Williams $11,817 for playing safety in the 49ers' 28-18 loss to the Chiefs last Sunday the Kansas City Chiefs, Bryan Cook, hit in the head. Williams was understandably frustrated with his team's sloppy play against the team the 49ers lost to in the Super Bowl in February. But it was Cook's actions that sent the future Hall of Fame tackle over the edge.

Williams was on the ground after one play when Cook decided to take a cheap shot and hit Williams in the head. Williams, in turn, responded by punching Cook in the head. The 49ers' star tackle was immediately taken out of the game. Cook was not ejected.

Cook was fined just $8,442.64 for his involvement in the altercation. 49ers fans will no doubt be confused if Cook receives a smaller fine than Williams, even though Cook initiated things. The fine imposed on Williams is equivalent to NFL fines for punches, kicks or knee injuries. It is not known why Cook was fined more than $3,000 less for doing the same thing.

Sunday's game between the 49ers and Chiefs got a little tricky in the second half. CB Deommodore Lenoir was also fined $11,817 for his unnecessary roughness penalty. Kansas City WR Skyy Moore was fined $9,356.83 for his actions on the same play that Lenoir was fined.

San Francisco is currently 3-4 and will host the 3-3 Dallas Cowboys on Sunday Night Football. This game is considered a must-win for the 49ers and Cowboys, who have struggled.

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