"My granny could score in the Scottish league."
Well, that quote is debatable. No one is doubting the gulf in class between EPL and SPL. But that's not to say that the much-maligned Scottish league doesn't boast—and even breed—a few top-class players with the ability to make it in the Premier League.
Footballers arriving to the Premier League from other competitions often struggle to adapt, even from larger leagues in Spain, France or the Netherlands.
Remember Afonso Alves? The Brazilian sensation had torn apart Eredivisie opponents, scoring an astonishing seven goals in one single match.
That form quickly dried up when he moved to Middlesbrough. Alves now plies his trade in Qatar.
But no league garners quite as much scepticism as the Scottish Premier League.
When David Moyes signed Nikica Jelavic last January to address Everton's woeful offensive record, many expected Jelavic, a top scorer in SPL, to go the way of Afonso.
Not because these pundits or fans had any particular knowledge of the Croatian striker. They based their opinion strictly on the supposed weakness of the league he was transferring from.
But Jelavic proved his doubters wrong almost instantly, turning out to be potentially one of the most effective January transfer signings in Premier League history.
Is Everton's wonder signing a fluke?
Not necessarily. Here are seven other footballers who have made the leap successfully from SPL to EPL.