Two years of control for James Paxton did not come cheap.
The Yankees acquired the left-hander from the Mariners on Monday, helping fill out a pitching staff and thin out their minor league reserves. Going to Seattle are left-hander Justus Sheffield, their No. 1 prospect (according to MLB Pipeline), righty Erik Swanson, their 22nd best prospect, and outfielder Dom Thompson-Williams, who played last season with High-A Tampa.
Sheffield, 22, has been a prize of the Yankees’ farm system since coming over in 2016, with Clint Frazier, in the Andrew Miller trade. Sheffield, who throws a mid-90s fastball and hard slider, dominated Triple-A competition this year, pitching to a 2.