Leeds United have had an issue scoring from attacking set-pieces for a while now. Excluding the short corner routine which led to Crysencio Summerville’s goal at Swansea City in February, Pascal Struijk’s opener against Sheffield United was the first time Leeds have scored directly from a corner since December last year. Incredibly, Ilia Gruev’s strike in the play-off win over Norwich City back in May was also the first time Leeds had scored directly from a free-kick since Raphinha against Leicester City exactly three years ago today. Leeds just simply haven’t been able to find a set-piece tak…