Leeds United produced arguably their best performance of the season to beat Norwich City in the play-off semi-finals second leg on Thursday night, but Daniel Farke says he has two reasons to moan. After a poor run of results at the back end of the Championship season and then a cagey affair at Carrow Road which ended in a 0-0 draw, Thursday night’s second leg promised to be a tricky clash for Leeds. But Farke’s men raced into the lad and secured a huge 4-0 win at Elland Road, completely outclassing Norwich in Yorkshire. Ilia Gruev gave Leeds the lead with his first goal for the club, a brillia…