Glenn (back/ankle) is still rehabbing from the variety of injuries that kept him out of the team's final three games last season, Chris Brown of BuffaloBills.com reports.

Depending on Glenn's stage in the rehab process, he could be held out of OTAs in the near future in order to get back to full health. The Bills are currently thin at left tackle, with Cyrus Kouandjio also sidelined until training camp after undergoing hip surgery in January.

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