Watch: Ndamukong Suh knocks off Alfred Morris’s helmet after tackle

Watch Miami Dolphins defensive tackle Ndamukong Suh kick off Alfred Morris’s helmet.

Ndamukong Suh appeared to kick Redskins running back Alfred Morris’s helmet off during the Dolphins’ season-opening game Sunday.

After tackling Morris, Suh got up and moved his right leg forward, making contact with Morris’s head.

​It’s unclear whether or not Suh did this intentionally.

The 28-year-old has a history of getting into trouble. Most recently, he was suspended for stepping on Aaron Rodgers’s leg in Dec. 2014. In 2011, he stomped on the arm of Packers guard Evan Dietrich-Smith.

Suh signed a six-year, $114 million deal with Miami in March to make him the highest-paid defensive player in the league. You can watch the play below.

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Suh also appeared to have poked Morgan Moses in the eyes on a later play as well.

Ndamukong Suh's Controversial Moments

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In just his fourth year in the league, Ndamukong Suh has become one of the most polarizing players in the NFL.

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Before he even played his first official snap, Suh announced himself as a ferocious, if not dirty player. In an exhibition game against the Cleveland Browns in August 2010, Suh charged through the defensive line and yanked quarterback Jake Delhomme's facemask before tightening his grip and throwing Delhomme down by his head. Suh was fined $7,500 for the hit.

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Suh has a history with Bears QB Jay Cutler, starting with a nasty forearm shove, during a game in December 2010, that was deemed a blow to the head and cost the defensive tackle $15,000. Replays later showed that Suh actually hit Cutler above the shoulder pads and below the neck, but the hit was still deemed a fineable offense.

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Bengals QB Andy Dalton received a rude and highly illegal welcome to the NFL by Suh when the then-rookie had his helmet ripped off in the 2011 preseason opener. The hit, similar to the one Suh put on Delhomme, earned him a $20,000 fine. Suh was none too happy about the response as he would tweet: "$20,000REALLY???!!"

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Suh was voted the dirtiest player in a Sporting News poll of 111 players on 31 teams. Suh won in a landslide over the Steelers' James Harrison.

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In a November 2011 game, Suh ripped Cutler's helmet off while taking the quarterback down.

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In a Thanksgiving game against the Green Bay Packers in 2011, Suh became tangled up with Packers guard Evan Dietrich-Smith and eventually stamped the lineman after standing up. The act earned Suh a two-game suspension without pay and sullied his reputation in the press and throughout the league.

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In an October 2012 game against the Chicago Bears, Suh laid a controversial but decidedly legal hit on quarterback Jay Cutler, a player that he has terrorized in the past. Suh chased Cutler to the sidelines before grabbing his shoulder pad and violently driving the quarterback into the ground. The NFL determined not to fine Suh for the hit.

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Suh was fined $30,000 for kicking Houston quarterback Matt Schaub during a Thanksgiving Day game on Nov. 22, 2012. After Suh was taken to the ground, his foot swung toward Schaub and hit him in the groin area.

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During the 2013 season opener, with 14:09 left in the second quarter, Vikings quarterback Christian Ponder threw a pick to Detroit outside linebacker DeAndre Levy, who appeared to take it to the house for a touchdown. However, Ndamukong Suh negated the score when he put a clearly illegal block on Minnesota center John Sullivan (inset). The NFL levied a $100,000 fine against Suh for the low block.

- Kenny Ducey