Joe Shaughnessy is a defender at St Johnstone.
The youngster joined the Whites from Championship rivals Reading earlier in the summer.
Leeds United recently added the young midfielder to their ranks.
Jason Blunt has been impressed by what he has seen from the big midfield man.
Leeds United have secured the signing of another promising youngster.
Leeds United are looking to add players to their under-21 squad for the upcoming season.
The trialist who scored a belter for Leeds' youngsters v Tadcaster Albion appears to be the lad from Galway.