Squad players usually do not give their full effort in friendly matches. And so if a team does not perform well in a friendly match, it cannot be said that the team is weak. But the overall performance of the team in the friendly matches can give an idea of the overall condition of the team. Is the bond between their players good? I have seen several friendly matches. It is expected that this Premier League will be more crowded than last season. Manchester City, Arsenal, Manchester United, and Liverpool will undoubtedly fight for the title. Chelsea's squad is also better than last season.
It's still not worth making far-reaching conclusions about friendly matches, because different clubs have different loads on the players during the training process and right now the base is being laid on how the players will look during the season. Also, during such matches, coaches usually give chances to players who have not passed and will not pass into the main squad during the season. Well, the transfer window is not completely closed yet, and therefore both arrivals and departures of key players who can influence the team's result are possible.