Justin Bieber the sports fanatic

Mayweather Jr. and Bieber celebrate Mayweather's victory over WBC/WBA 154-pound champion Alvarez at the MGM Grand Garden Arena in Las Vegas, Nevada

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Reporter Erin Andrews took to Twitter to defend to defend a perceived on-air flub involving Justin Bieber and Justin Verlander. Bieber probably wouldn't mind being confused with the ace since he is a big sports fan. The international star shows support for sports ranging from hockey to basketball.

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