The best strategy for Newcastle would be to buy the best young players
And also the best names from the leagues like Serie A,Ligue 1 and Bundesliga. Some examples:
-Vlahovic (Fiorentina)
-Kessiè (Ac Milan)
-Brozovic (Inter Milan)
-Bellingham (Borussia Dortmund)
-Tchoumeni (Monaco)
-Gayà (Valencia)
-Zakaria (Borussia Monchengladbach)
-De Vrij (Inter Milan)
What other names could be useful to Newcastle?