Promising South African heavyweight Flo Simba was stopped in the sixth round by veteran Francois Botha on Saturday night for his first defeat in 11 professional fights. The 21-year-old Simba was rocked by two big right hands from Botha -- 21 years his senior -- and the referee stepped in soon after with Simba out on his feet. Botha, who lost to Mike Tyson, Lennox Lewis and Evander Holyfield in his career, improved to 48-5 with three draws and one no-contest. Read more: http://sports.espn.go.com/sports/boxing/news/story?id=6626398
