Arsenal will be one of the main beneficiaries from a lucrative new deal struck by a powerful Qatari group. The 2023-24 campaign was Arsenal’s first in the Champions League for seven seasons, with Mikel Arteta‘s side reaching the quarter-final stage on their return. They will have banked around £78.5m for their exploits in the competition. And that figure will rise if they reach the same stage next season, thanks to UEFA’s new expanded Champions League format. Some teams, however, will have earned as much as £18m for their participation in the tournament due to the nature of UEFA’s distribution…