Ethan Ampadu has been one of the most-reliable players in the Championship, let alone the Leeds United squad this term – but he was hilariously teased for a slip in training this week, before Cardiff. Ampadu, 23, has been an incredible signing. The first one through the door in the summer and targeted early by Daniel Farke as a man he wants in his midfield. The Wales ace has easily surpassed expectation. He will start again on Saturday when Leeds go to Wales to take on Cardiff. It comes after starting all 26 Championship games, and only being subbed in two, and both of those substitutions were…