An opponent who unfairly distracts or impedes the thrower (including moving closer than 2 m (2 yds) to the place where the throw-in is to be taken) is cautioned for unsporting behaviour and if the throw-in has been taken an indirect free kick is awarded
So in other words you have to be 2 metres away
"Plenty of strikers can score goals," he said, gesturing to the famous old stands casting shadows around us.
"But a lot have found it difficult wearing the number 9 shirt for The Arsenal."