Bury have signed Greg McDermott and Nathan Cameron to take the number of new faces at Gigg Lane in the last two days to five.
Northampton have withdrawn a contract offer to former Coventry defender Nathan Cameron.
Northampton Town's top scorer Adebayo Akinfenwa is among seven players to be released by the League Two club.
Northampton have signed Coventry centre-back Nathan Cameron on loan for the remainder of the season.
Coventry defender Nathan Cameron and keeper Danny Ireland have signed new contracts at the Ricoh Arena.
Nathan Cameron is hoping to secure a regular place in the Coventry back four after three clean sheets.
Coventry fear defender Ben Turner could be facing a spell of up to six weeks on the sidelines.