Aljofree's agent Clive Hart told the Oldham Chronicle: "He's delighted to have been given the opportunity to play for Oldham. He is looking forward to playing again in the first team."
Wayne Rooney has returned to Everton after 13 years at Manchester United.
Germany defender Antonio Rudiger has joined Chelsea from Roma on a five-year contract.
Wayne Rooney has returned to Everton after a record-breaking career at Manchester United.