Arsenal have suffered a poor run of results in recent weeks, and their current inability to spend in the transfer window has raised serious questions about their summer transfer business. Arsenal spent heavily after finishing second and returning to the Champions League, with an outlay of over £200m on Declan Rice, Kai Havertz, Jurrien Timber and David Raya. Whilst Timber has been injured and Rice has been exceptional, Havertz and Raya have both come in for heavy criticism. Havertz in particular, has been labelled a waste of money, given that the heavy fee spent on him could have been used for…