Rey Mysterio suffered an injury during the Friday Night SmackDown ahead of WrestleMania 41.
The WWE Hall of Famer was competing in a match with Dragon Lee and Rey Fenix against American Made.
What happened?
Mysterio was seen pointing to his leg after leaving the ring, prompting his teammates to check on him.
WWE staff then tended to the legendary luchador, carrying him backstage after the match ended.
Why it matters for Rey Mysterio
This injury could be bad news for Mysterio, who is scheduled to wrestle El Grande Americano at WrestleMania 41 Night 1.
Mysterio has a long history in the sport, making his debut in 1989 and becoming a staple in Asistencia Asesoría y Administración (AAA) and Extreme Championship Wrestling (ECW).
What comes next?
If Mysterio is unable to compete, either Rey Fenix or Dragon Lee could be worthy substitutions.
Mysterio's career has been marked by numerous accolades, including the World Heavyweight Championship and the 2006 Royal Rumble, which he won from the No. 2 position.
The WWE has not made an official statement on Mysterio's status, leaving his fans uncertain about his participation in WrestleMania 41.
Mysterio's incredible in-ring style has made him one of the most popular baby faces in the company.
He has spent a majority of his career taking down larger competitors and teaming up with the late Eddie Guerrero.
Mysterio's return to WWE has been marked by storylines revolving around his relationship with his son, Dominik Mysterio.
The injury to Mysterio has added uncertainty to the upcoming WrestleMania 41 match, with fans eagerly awaiting an update on his status.