Nile Ranger was released by Newcastle in March and is yet to be signed by a new club.
He played a part in the Magpies winning the Championship in 2009-10 but struggled to win a permanent place in the first team once the club was established back in the Premier League.
More top news
The majority of people do not undertake the recommended checks for skin cancer and would not recognise signs of the disease, a survey shows.
Ed Miliband is demanding the Conservatives must "come clean" over their plans for the NHS amid claims of greater privatisation
Thousands of Ethiopian Jews have taken to the streets of Tel Aviv to protest against racism and police brutality