Bolton target Ousmane Dabo has been told he is surplus to requirements at Lazio by coach Delio Rossi and will be allowed to leave the Serie A club for a suitable fee.
Bolton and Everton have been strongly linked with the hardman over the summer with Wanderers boss Allardyce is still keen to add to his squad before the transfer deadline.
Meanwhile, Wrexham have signed former Sheffield Wednesday and Bolton Wanderers utility man Paul Warhurst on a non-contract basis.
The 35-year-old has been training with the North Wales club this month after finishing last season with Conference club Forest Green Rovers.