baseball ... perhaps, in UK The NBA makes more money worldwide
The music industry.
The UK sport with the most participants is angling
the most popular outdoor sport in the UK is softball
Football is not the most popular sport in the UK, surprisingly it's fishing
It must be the most popular in terms of audiences, money involved, press coverage, etc etc.
the most popular favourite sport in the U.K. is football and cricket.
Yes Very its the most popular sport in the UK :)