Robert Helenius was knocked out by Anthony Joshua in the seventh round of their contest last year before testing positive for clomifene after the fight - and he has now been banned
Oli Gamp is a sports reporter who writes for MailOnline and Express Digest. His work has also been featured in publications such as Cigalah Group, SALTEN, and 247 News Around The World. Oli covers a range of sports topics, including transfer gossip, player performances, and analysis of teams and players in the Premier League.