Chiefs wide receiver JuJu Smith-Schuster enters concussion protocol after a terrifying high hit from Andre Cisco leaves him motionless in the fencing position - reminiscent of Tua Tagovailoa's head injury

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Chiefs wide receiver JuJu Smith-Schuster was ruled out for the rest of Kansas City's game against the Jaguars on Sunday after a scary hit by Jacksonville safety Andre Cisco left him in the concussion protocol.

Smith-Schuster was coming across the middle to catch a pass from Patrick Mahomes when Cisco hit him high, drawing flags from the officials.

Smith-Schuster was left motionless on the turf, with his hands momentarily frozen in a scene reminiscent of the concussion sustained by Dolphins quarterback Tua Tagovailoa earlier this season.

Chiefs wide receiver JuJu Smith-Schuster entered protocol after a scary hit 

He was coming across the middle when Jacksonville safety Andre Cisco hit him high

Smith-Schuster was eventually helped to his feet and walked off with help from teammate Travis Kelce.

While Smith-Schuster was still motionless on the ground, referee Brad Rogers picked up the flag and announced there was no penalty, even though replays showed there was clear helmet-to-helmet contact on the defenseless receiver.

Smith-Schuster had two catches for 33 yards when he left the game.

Kansas City also lost right tackle Andrew Wylie for the game because of an elbow injury, while backup cornerback Chris Lammons was ruled out after entering the concussion protocol.

Patrick Mahomes threw for 331 yards and four touchdowns, Kadarius Toney showed glimpses of stardom in his second game for the Chiefs and Kansas City rolled to a 27-17 victory over the Jacksonville Jaguars on Sunday.

Toney, who was acquired a couple of week ago from the Giants, had 33 yards rushing to go with four catches for 57 yards and his first NFL touchdown reception, helping the Chiefs (7-2) win their sixth straight over the Jaguars.

Travis Kelce, Marquez Valdes-Scantling and Noah Gray also had touchdown catches for the Chiefs.

Smith-Schuster went to ground and immediately adopted the fencing position 

He lay motionless on the ground as medical staff rushed over to check on him 

Tagovailoa has been at the center of player safety in the NFL after suffering a concussion against the Cincinnati Bengals on September 29, just days after also taking a rough hit against the Buffalo Bills. 

Tagovailoa was stretchered off the field with a concussion against the Bengals in Week 4 following a hit by Cincinnati nose tackle Josh Tupou, just days after he was allowed to re-enter the game against the Buffalo Bills, despite having been analyzed for a possible head injury.

He took a hit from Bills linebacker Matt Milano in the first half, causing his head to slam off the turf. He appeared disoriented afterward and stumbled as he tried to get to his feet. 

The Miami Dolphins quarterback is transported by a medical team after being sacked by Cincinnati Bengals defensive tackle Josh Tupou during the second quarter at Paycor Stadium on September 29, 2022, in Cincinnati

Tagovailoa was cleared to return on September 25, despite stumbling to the ground and continuing to struggle even after getting back on his feet. Teammates needed to help keep the 24-year-old Hawaiian upright before he was removed from the game moments before halftime

He has been at the center of player safety after suffering a concussion against the Bengals

He passed the examination for concussion at halftime against the Bills and the team and the quarterback later clarified that a back injury had caused a stumble. 

The incident sparked criticism of the league's handling of concussions with some slamming the decision to allow Tagovailoa to reenter the game against the Bills. 

The NFL and NFLPA announced that they would work together to review the league's concussion protocol. 

The independent doctor who examined him and approved his return to the game in Miami has since been fired by the NFL Players Association.