Cavan Sullivan, 14, makes U.S. sports history as youngest player to make pro debut in MLS match

At just 14 years and 293 days old, Cavan Sullivan made history by becoming the youngest player to enter an MLS match — and debut in any major professional U.S. sports league — on Wednesday night for the Philadelphia Union. Sullivan gracefully entered Philadelphia’s Subaru Park’s pitch in the 85th minute for the Union’s 5-1...