Kasper Dolberg
Looking to sign Kasper Dolberg would be more of a risk but he is one of the hottest young prospects in European football at the moment.
The 19-year-old scored a remarkable 23 goals in 47 appearances for Ajax last season, despite still being a teenager.
With many clubs hopeful of snapping the Denmark international up, West Ham could look to use their £15m on this signing.
