David has a very high floor as a signing. No issues on or off the field. Worst case scenario outside of an injury is that he doesn't develop a ton and is a decent 15 goal striker who's not quite good enough to be our main man as the #9, but he drops deep well and works hard and presses so can be our more false 9 type option competing/rotating with a big fast #9 type.
Just turned 22, so if we sign him for 50M this summer we can probably sell him on in 3/4 years for the same amount at 25/26.
And he'd fit like a glove if we do hire a Rangnick recommended, Red Bull style manager and try to become a 4-2-2-2 team with Sancho and Bruno in behind David and another striker. He's formed a good partnership with Yilkmaz, who is as old as Cristiano, too.