Manchester City striker David Ball has signed with Peterborough United in a permanent deal.
The 21-year-old striker scored three times during a loan spell at Swindon Town earlier this season.
He now he joins Darren Ferguson's squad as they lie just outside the play-off positions.
Although he never played for the first team, the City Academy graduate helped write a memorable chapter in the club's history when his penalty secured victory in the 2008 FA Youth Cup final.
