In this striking training clip, Mike Tyson—just 18 years old at the time—shows off the brutal neck exercise that helped build his legendary 20-inch neck. The video highlights Tyson powering through intense, old-school neck work that looks extreme even by today’s standards, reinforcing how his physical dominance was forged long before he became heavyweight champion. It’s a raw glimpse into the relentless training that made Tyson one of the most feared fighters in boxing history.
WATCH:
At 18 years old, Mike Tyson had a 20 inch neck. Here is one of his brutal neck exercises pic.twitter.com/mFvFu4qauP
— internet hall of fame (@InternetH0F) January 17, 2026