Kelly is dealing with flu-like symptoms and won't be available for Saturday's game against the Tigers, Brian MacPherson of The Providence Journal reports.

EDGE Analysis

Kelly is the latest victim of a flu bug that's been going around the Red Sox clubhouse as Mookie Betts, Hanley Ramirez, and Robbie Ross have already missed time due to illness. The right-handed reliever has thrown 2.1 innings of shutout baseball to begin the season, earning the win Wednesday against Pittsburgh. Consider him day-to-day going forward.