30-years after, The Undertaker retires, leaves gear in WrestleMania ring (Videos)

American professional wrestler, Mark Calaway who is popularly known as 'The Undertaker' has retired from wrestling after spending nearly 30 years in the ring. After losing to Roman Reigns at WrestleMania on Sunday night, the 52-year-old legendary wrestler removed his signature hat, gloves, coat and then waved at the fans before leaving the ring. According to reports, the move is a