Mauler mauled? #OTD in 1920 HW king Jack Dempsey reportedly had to quit a sparring session with MW star Harry Greb after sustaining an eye injury. The lively "bout" occurred at the Van Kelton Stadium in NYC. A left hook from Greb, or possibly a clash of heads, caused the injury.

Floyd Patterson retained the world heavyweight crown #OnThisDay in 1957 with a Round 10 TKO of Tommy "Hurricane" Jackson at the Polo Grounds in New York.

The renowned "Napoleon of the Ring" Jem Belcher, bareknuckle Champion of England 1800 - 1805, died at the Coach and Horses pub in Soho, London, #OnThisDay in 1811, aged 30, after a long illness.

Muhammad Ali pictured at Wembley Stadium #OTD in 1966 prior to the England v West Germany World Cup Final.

Carlos Monzon survived a knockdown to retain the WBC + WBA world middleweight crowns #OTD in 1977 with a 15-rd unanimous decision over Rodrigo Valdez at Stade Louis II in Fontvieille, Monaco. The bout would be the last of Monzon's illustrious career as he subsequently retired.

We are saddened to learn of the passing of esteemed trainer Tommy Brooks at the age of 71. Boxing News extends our heartfelt condolences to the Brooks family and all who loved him. May he rest in peace. 🌹

"The Michigan Assassin" Stanley Ketchel retained the world middleweight crown #OnThisDay in 1908 with a Round 3 KO of Hugo Kelly at the Coliseum in San Francisco.

Harry Greb beat Tommy Gibbons via a 10-round newspaper decision at Forbes Field in Pittsburgh #OTD in 1920, avenging two previous losses inflicted by Gibbons. The win would form part of a 56-bout unbeaten streak for Greb and was Gibbons' first defeat in nine years of fighting.

World Heavyweight Champion Gene Tunney formally announced his retirement from boxing at a luncheon in New York #OnThisDay in 1928.

"The sensational wallop came so quickly as to benumb the crowd." Recalling the great Stanley Ketchel, aka "The Michigan Assassin," and his stupendous one-punch coup de grâce over Hugo Kelly. Check it out: thefightcity.com/july-31-1908-k… #Boxing #History #OnThisDay #OTD #Legend

Famed 1920s World Flyweight Champion Pancho Villa (Francisco Guilledo) was born #OnThisDay in 1901 in Iloilo, Philippines.

Unified king: Mike Tyson added the IBF world heavyweight title to his WBC and WBA crowns #OnThisDay in 1987 with a 12-round unanimous decision victory over Tony Tucker at the Las Vegas Hilton in Nevada.