Ethier is scheduled to have an MRI on his back Monday, Ken Gurnick of MLB.com reports.

The tests are simply precautionary for Ethier, who was been dealing with tightness in his lower back for a few weeks now. He said that if it were the regular season, he would be able to find a way to play through the back stiffness. It doesn't seem overly serious, but it will be a situation to monitor; he should be considered day-to-day in the meantime.

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