Manchester United suffered an embarrassing defeat against Crystal Palace in the Premier League, here are five things we learned from the fixture… Casemiro is finishedUnderstandably, he’s in a different role, but as Jamie Carragher pointed out at half-time, it simply doesn’t matter. The Brazilian produced an absolute shocker of a performance against the Eagles, at fault for at least two goals indefinitely. As the games dwindle down in the season, you can’t help but think his days are numbered at Old Trafford. He needs to be sold in the summer. Has Michael Olise changed his mind?United in Focus …