Keith is out of the lineup for Sunday's game against the Red Sox, Evan Woodbery of MLive.com reports.
Keith is on the bench for Friday's game against Boston.
Keith went 2-for-4 with a run scored in Thursday's 10-2 loss to the Cubs.
Keith went 3-for-4 with a double and a run scored in Sunday's win over the Yankees.
Keith (hamstring) will serve as the designated hitter and bat in the cleanup spot for Saturday's game against the Yankees.
Keith was deemed day-to-day Friday with left hamstring soreness stemming from a cramp he felt Thursday, Evan Woodbery of MLive.com reports.
Keith is "banged up a little bit" and is out of the lineup for Friday's game against the Yankees, Evan Petzold of the Detroit Free Press reports.
Keith went 2-for-4 with two runs scored Tuesday in the Tigers' 15-1 win over the Mariners.
Keith isn't in the Tigers' lineup for Saturday's game against the Blue Jays.
Keith went 3-for-4 with a home run and four RBI in Saturday's 11-9 extra-innings win over the Dodgers.