"Just got to Liverpool, England," James wrote. "Riding through the city. What a beautiful place. Home and birthplace of the One and Only 'BEATLES'"
The Miami Heat star owns a minority stake in John Henrys Fenway Sports Group, the business that owns Liverpool.
According to the Guardian newspaper, Liverpool's 3-1 defeat of Manchester United last season attracted an estimated 500 million viewers worldwide, whereas the Super Bowl is watched by just 20 million viewers outside of the United States.