Red Sox right-hander Garrett Whitlock suffered a setback with his elbow and has been shut down from throwing, manager Alex Cora announced.
Jung Hoo Lee will have surgery to repair a torn labrum, ending his 2024 rookie season.
The Korean star signed a $113 million deal with the Giants last offseason.
The Giants activated Jorge Soler from the injured list and recalled Mason Black from Triple-A in a series of roster moves before Friday's game against the Rockies.