The 30 year old has finally returned to fitness after being sidelined for nine months with knee ligament damage.
"Glenn will be a good substitute for us for a few weeks," Pulis told the Croydon Advertiser.
"I don't see him starting a game. He needs another week or so.
"We're just happy to have him on board and have him part of it, but we understand he's been out for nine months."
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