You can remove a tracker from your account on the fitbit.com dashboard or with the Fitbit app. Navigate to the settings for the tracker you want to remove, and find an option to remove the tracker for your account.
1 Soccer. Approximate # of fans: 3.5 billion. The simplicity of the sport combined with the ease of play makes this the most popular sport in the world to play, as well as to watch.
Football is Argentina's most popular sport, the one with the most players (2,658,811 total, 331,811 of which are registered and 2,327,000 unregistered; with 3,377 clubs and 37,161 officials, all according to FIFA) and is the most popular recreational sport, played from childhood into old age.