Although these days we have our fair share of strange and crazy sports.
. Maximum output with some simple thoughts...
Imagine two groups of guys each hopping into their boats, rowing out into the nile, and proceeding to beat the crap out of each other with their oars. Like the Roman gladiatorial games this often took place before the Pharoah and many times the bloody mess would entice crocodiles and hippos to enter the fray.