Daniel Farke faced the media on Monday morning ahead of Tuesday night’s clash against Plymouth in The FA Cup – and he says Leeds United star Jamie Shackleton could be missing due to illness. Shackleton, 24, has been regularly involved for Leeds throughout the entire campaign. It comes after a difficult loan at Millwall in which he was in and out of the starting line-up. His deal is due to end in June. But he impressed in pre-season and caught the eye of manager Farke. He has regularly used the Leeds-born midfielder, whether that be on the right wing, left-back, right-back or in the middle of t…