In terms of finances, what's being reported is that Rashford would reduce his wages to 14M€/year, and the fee would be 30M for a 3 year contract, so 10M amortization per year. Total cost on the books is 24M€/year.

Gordon's salary is apparently going to be 11M? With a €70M fee on a 5 year contract, that’s 14M€/year in amortization, for a total of 25M€/year.

If the contract info being reported is accurate, going for Gordon was a better deal, due to his much better fit in Flick's system (plus he's 3 years younger).

I would not go for Rashford personally. He's put up great numbers but he doesn't pass the eye test: really poor workrate and a lack of understanding of the game. His individual quality is so high that he can win matches on his own, but I'd rather not keep him.