Esteemed boxing coach Tommy Brooks, who guided Evander Holyfield, Mike Tyson, the Klitschkos and more, has passed away at 71 after fighting cancer.

Tommy Brooks -- who trained boxing legends Evander Holyfield and Mike Tyson -- passed away this week at 71 years old. Boxing promoter Lou DiBella announced the sad news on social media, revealing Brooks died Tuesday night following a battle with a "very aggressive" form of cancer.

It's a sad day in the world of boxing as Tommy Brooks, the popular trainer of legends like Mike Tyson and Evander Holyfield, has passed away.