Mullins isn't in Baltimore's lineup for Saturday's game against Minnesota, Jake Rill of MLB.com reports.
Mullins went 3-for-4 with a double, three runs scored and two stolen bases in Wednesday's 9-7 win over the Yankees.
Mullins went 1-for-4 with a two-run home run in Sunday's 4-3 loss to the Tigers.
Mullins (neck) is batting second and playing center field Saturday against Detroit.
Mullins is not in the starting lineup for Friday's game against Detroit.
Mullins will start in center field and bat second in Monday's game in Boston, Jake Rill of MLB.com reports.
Mullins went 1-for-2 with two walks and a stolen base in Saturday's 7-5 loss to the Rockies.
Mullins is out of the lineup for Friday's game against the Rockies.
Mullins went 0-for-2 with a walk, a hit-by-pitch, a stolen base and a run scored in Thursday's 6-3 loss to the Dodgers.
Mullins (quadriceps) is starting in center field and batting seventh Tuesday against the Dodgers, Roch Kubatko of MASNSports.com reports.