The Royals traded pitcher Wyatt Mills to the Boston Red Sox for 24-year-old right-hander Jacob Wallace. Mills had been designated for assignment earlier this week to make room for Ryan Yarbrough. To make room for Mills, Boston designated former Royals first baseman Eric Hosmer for assignment.
Wallace is a New England native, originally selected by the Rockies in the third round of the 2019 draft out of the University of Connecticut. They shipped him to Boston in 2020 for outfielder Kevin Pillar. He has worked almost exclusively as a reliever both in college and in the minors, and had a 3.