Former Manchester City winger Isaac Buckley-Ricketts is the latest trialist to join up with Carlisle United.
The Peterborough player trained with Steven Pressley's squad today.
The 21-year-old is available for a move having been transfer-listed by League One outfit Posh.
Buckley-Ricketts has international experience having represented England at various age group levels.
He was part of the team that won the European Under-19 Championship in 2017.
He has also played for England's under-18s and under-20s.
The Manchester-born player came through City's academy from the age of 13 and, after loan spells with FC Twente and Oxford for whom he played 12 games, joined Peterborough permanently last summer.
He made just two first-team appearances last season, both in the Checkatrade Trophy.
It appears the winger would be available on a free transfer with Posh director of football Barry Fry having recently told the Peterborough Telegraph the club would not demand a fee for the player.
Southend and Colchester have also reportedly shown interest.
Buckley-Ricketts joins fellow trialists Miles Storey, Elliott Reeves and Tyrone Duffus at United.
A fifth trialist, Michael Chambers, has now linked up with Wrexham and is playing for the Welsh side in their friendly against Fleetwood tonight.
New signing Nathaniel Knight-Pervical, meanwhile, today trained with the Blues squad for the first time.
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