Ex-NFL player Sergio Brown appears to post another rambling video, police probe authenticity of clips

Fox News Flash top sports headlines are here. Check out what's clicking on Foxnews.com.

Former NFL player Sergio Brown appeared to post another rambling video on social media Wednesday as authorities launched an investigation into the authenticity of the clips.

The man who posted on the account @intplayerwithapassport has in the bio that he was locked out of his older, verified, Instagram account by "u know who." The latest post on the Instagram Stories showed the man speaking into the camera, quoting the Drake song "Legend."

"’Oh my god. Oh my god. If I die, I’m a legend. Oh my god. Oh my god. If I die, I’m a legend. It’s too late for my city, I’m the youngest n---- reppin,’" he says. "Drizzy Drake!"

CLICK HERE FOR MORE SPORTS COVERAGE ON FOXNEWS.COM

Free safety Sergio Brown during the AFC wild-card playoff game between the Indianapolis Colts and the Cincinnati Bengals at Lucas Oil Stadium in Indianapolis on Jan. 4, 2015. (Andrew Weber-USA Today Sports)

The latest clip came as Maywood police launched an investigation into the authenticity of the videos. Brown is still considered to be a missing person, police spokesperson Carmen Rivera said.

The man who is alleged to be Brown called the reports about the death of his mother, 73-year-old Myrtle Brown, "fake news."

"Fake news. Fake news. Fake news," he said in Monday’s video in which he tagged ESPN. "It has to be the FBI that came into my house on Bob Marley’s death day with the 511 haze and gas unwarranted. They kidnapped me twice from home – the Maywood Police Department. It had to be the FBI or the Maywood police.

"I thought my f---ing mama was on vacation in Sinaloa. That’s f---ing fake news. Get the f--- out of my g------ face. She’s retired, and you want to come