By James Ayles For Mailonline
Published: 00:06 BST, 2 May 2020 | Updated: 00:06 BST, 2 May 2020
Nearly 15 years on from his final professional fight, former unified heavyweight world champion Mike Tyson proved he still possesses some of his fearsome hand speed and power.
The 53-year-old shared a video with the caption 'I'm a bad boy for life' of him carrying out punching drills with a trainer.
The footage comes a week after Tyson revealed he wanted to return to the ring for a four-round exhibition bout in a bid to 'make some money to help some homeless and drug-affected