Manchester United have missed out on £4million revenue for every home game played without fans during the coronavirus pandemic.The Red Devils seemingly used Project Restart to their advantage, remaining unbeaten in the Premier League to clinch a top four spot.This achievement was all the more impressive considering the team did not have their 75,000 capacity Old Trafford full to help them.Indeed, no fans were allowed into any stadium for the remaining games for all teams in the top flight due to safety fears amid Covid-19.As a result, many clubs have taken a financial hit due to a lack of revenue accumulated from match days.And while United remain one of the richest clubs in world football, they have not been immune to the unprecedented.