Manager Aaron Boone said Frazier (eye) underwent neurological testing in Michigan on Monday and Tuesday, Brendan Kuty of The Newark Star-Ledger reports.

EDGE Analysis

Frazier previously visited an eye specialist last week, but the club is still in search of answers regarding why the outfielder has been out with dizziness since early July. The hope is that the latest tests will provide some clarity, as Boone is hoping to have a more concrete update Wednesday.