Football
soccer,rugby,horseracing.
NCAA Basketball
football
A "revenue generating sport" helps to raise money/fund for the organizer of the event. They are marked by various sponsors and costly entry fees.
American football (NFL)produces the most revenue in America.
pornography shooting...
My guess would be football..
G.A.A Gaelic sports.
I know that the first 1 is soccer( a.k.a football) but the 2nd most popular sport is Rugby. In England those are the 2 main sports.
The NFL makes the most total revenue for a league. Average NFL franchise is worth $898 million. TV revenue for the NFL=Around $20 Billion. After that its MLB ($376 MILLION AVERAGE FRANCHISE) NBA ($326 Million) NASCAR TV deals around $4.48 Billion, and then NHL pre strike ($163 MILLION)
I believe soccer is probably the major sport in Zambia
Second played sport may be boxing.