Each year, 30,000 people are seriously injured by exercise equipment.
46
The household wrench was invented by boxing heavyweight champion Jack Johnson in 1922.
51
Prior to 1900, prize fights lasted up to 100 rounds.
36
Michael Jordan makes more money from Nike annually than all of the Nike factory workers in Malaysia combined.
433
It takes 3,000 cows to supply the NFL with enough leather for a year's supply of footballs.
73
There is a growing sport in Berlin and London called Chess Boxing. Players alternate between a round of chess and a round of boxing until one is declared winner either by checkmate, KO, or technical stoppage.
8
Kite flying is a professional sport in Thailand.
85