Crouch played under Redknapp at Tottenham but has recently fallen out of favour at Stoke, while the 65-year-old is a long-term admirer of former Blackburn centre-back Samba.
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"These are two players whose names have been mentioned but at the moment we're not close to doing anything," Redknapp told reporters.
"Crouch's name came up in a meeting with the chairman but I don't think Stoke want to sell him.
"On Samba, again the chairman is dealing with this. At this stage I don't think that's a goer.
"I like Christopher Samba and he is a very good player but at this stage I don't see him leaving Russia. Things can changes but at this stage we're not close to doing anything."