William Reilly is a 24-year-old professional football player from USA. He currently plays for Atlanta United, wearing the number 28 shirt. He plays primarily as a Midfield. He stands at 155cm tall and weighs 70kg.

Across 24 appearances in the United States Major League Soccer 2025, William Reilly registered 1 goals and 0 assists, while completing 4 key passes out of 280 total passes with a passing accuracy of 10.