MLS phenom Cavan Sullivan, 14, becomes youngest player ever to debut in North American pro sports

Cavan Sullivan, at just 14 years old, didn’t just make MLS history when he subbed in for the Philadelphia Union on Wednesday night against the New England Revolution. 

He made North American professional sports history. 

At 14 years, 293 days old, Sullivan became the youngest player to ever debut in all major North American professional sports leagues, as he took the field to play for the senior Union squad on Tuesday. 

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This incredible accomplishment...