Roman Anthony’s complicated, groundbreaking extension with the Red Sox is official — and its value will largely be determined by how he performs over the next decade.

The Boston Red Sox and young outfielder Roman Anthony are in business on an eight-year, $130 million contract extension that includes a team option and could keep Anthony under club control through the 2034 season,

The Boston Red Sox and outfielder Roman Anthony agreed to an eight-year extension on Wednesday, with ESPN's Jeff Passan reporting the deal is worth $130 million.