However , if Wenger ca n't secure one , acquiring a player on Janssen 's steep upward trajectory could mean they have a top - level striker on their books sooner rather than later .
Arsenal fans may well demand a world - class striker this summer .
If Wenger ca n't secure one , acquiring a player on Janssen 's steep upward trajectory could mean Arsenal have a top - level striker on Arsenal 's books sooner rather than later .
Arsenal fans may well demand a world - class striker this summer .