I would sell Dier and Sanchez.
As for why not you wound have to ask the club that question. It would be far from the first time the club made a decision that made no sense.
I also haven't insisted that he was so good, just pointed out he is better than the crap we have.
Yet out world class manager opts to play not 1, but BOTH players ahead of him.......
Something just doesn't stack up here........

p.s. I didn't say "so good".... Let's not fake quote now, naughty Iggy-pops.