Massey (back) visited a specialist Friday and received multiple injections, Anne Rogers of MLB.com reports.
Advice: Manager Matt Quatraro said the Royals will wait to see how Massey's back responds to the treatment before determining when he will head to the minors for a rehab assignment. For now, the 26-year-old infielder remains without a clear return timetable, though he isn't eligible for activation until Tuesday.
Rotowire.com
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