Jacksonville Jaguars outside linebacker Arden Key’s wallet has gotten a little lighter.

The NFL fined Key for hitting Kansas City Chiefs backup quarterback Chad Henne, but Key was not penalized for his actions that led to Patrick Mahomes’ ankle injury.

Mahomes suffered a high ankle sprain after his ankle became trapped between Key and another Jaguars defender during last weekend’s divisional-round playoff game.

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Arden Key of the Jacksonville Jaguars faces the Houston Texans at NRG Stadium on January 1, 2023 in Houston.

Arden Key of the Jacksonville Jaguars faces the Houston Texans at NRG Stadium on January 1, 2023 in Houston.
(Cooper Neill/Getty Images)

Mahomes briefly exited the game and was replaced by Henne. In Mahomes’ absence, the veteran backup led the Chiefs on a touchdown drive to extend the Chiefs’ first-half lead to 17-7.

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With less than six minutes left in the second quarter, Key was penalized for roughing Henne. The NFL fined Key $15,914 for roughing up the quarterback, NFL Network’s Tom Pelissero reported Saturday.

After it was initially deemed questionable to return, Mahomes was back under center to start the third quarter.

The MVP candidate was fully involved in practice earlier this week, and head coach Andy Reid confirmed the quarterback will play in the AFC title game on Sunday.

Chad Henne (4) of the Kansas City Chiefs looks to throw a pass against the Jacksonville Jaguars during the second quarter in an AFC divisional playoff game at Arrowhead Stadium on January 21, 2023 in Kansas City, Missouri.

Chad Henne (4) of the Kansas City Chiefs looks to throw a pass against the Jacksonville Jaguars during the second quarter in an AFC divisional playoff game at Arrowhead Stadium on January 21, 2023 in Kansas City, Missouri.
(Jason Hanna/Getty Images)

Mahomes routinely shoots out of the pocket. It’s unclear how much the ankle injury will affect his mobility on Sunday.

But Reid expressed confidence in the game plan, noting that any plays called during the game will fix any potential limitations Mahomes may have.

Kansas City Chiefs quarterback Patrick Mahomes hurts his ankle in the first quarter of an AFC divisional playoff game against the Jacksonville Jaguars on January 21, 2023 at GEHA Field at Arrowhead Stadium in Kansas City, Mo.

Kansas City Chiefs quarterback Patrick Mahomes hurts his ankle in the first quarter of an AFC divisional playoff game against the Jacksonville Jaguars on January 21, 2023 at GEHA Field at Arrowhead Stadium in Kansas City, Mo.
(Scott Winters/Icon Sportswire via Getty Images)

«We have enough in the game plan where you can choose where you want to go,» Reid told reporters. «You have a variety of things you can go to.» Obviously, you don’t use all the plays in the game plan, but they are available. And so if you have to go in a certain direction, you can go in that direction with the calls.»

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Kansas City safety Bryan Cook was also fined $5,906 for taunting after an interception in the fourth quarter of a game on Jan. 21.