Arsenal reportedly had scouts in attendance at Porto's clash with Moreirense on Sunday to run the rule over forward Andre Silva and midfielder Danilo Pereira.
According to Record (h/t Lucas Sposito of Sport Witness), the Gunners were the only team from the Premier League to have representatives at the game, and the two stars aforementioned are said to have been the reason for their visit. The report added that Arsenal have been monitoring the progress of both players for a long time.
In the game, which Porto won 3-0, both players were impressive, with Silva finding the back of the net once again.