Former heavyweight champion Mike Tyson, preparing for his first professional fight since 2005, warned YouTuber-turned-boxer Jake Paul on Monday that his life will be on the line during their July 20 bout.

The 57-year-old Tyson, speaking at New York City¡¯s Apollo Theater during a press conference to promote a fight against an opponent who is 30 years his junior, said he wants to show the world he is still a great fighter.

¡°I really like Jake a lot but once he¡¯s in that ring he has to fight like his life depends on it, because it will be,¡± said Tyson.