Sports and sport related business is a multi-billion dollar industry. Sports are very popular around the world; from american futball (NFL) to european soccer (FIFA), cricket in asia and other countries to name a few. Finding a domain name with sports in it is almost impossible. With this .net TLD you're lucky, this 123sport.net starts with a memorable and commonly used '123', followed by word 'sport' and makes a great domain name with a lot potential.
Great news! Domain 123Sport.net has been registered in the past and previous domain owner(s) may have forgot to renew or dropped it.