Former Tottenham Hotspur striker Darren Bent has now told Arsenal that they could turn a profit on one big money star. Arsenal have invested well in recent transfer windows. Very few signings made by Mikel Arteta and sporting director Edu in recent seasons could be deemed a flop. The Gunners invested heavily in their squad last summer, including shelling out a club-record £105 million fee to secure the services of Declan Rice from West Ham United. The midfielder arrived at the Emirates Stadium with a big reputation, having just captained the Hammers to Europa Conference League glory. However, …