David Ornstein is back with the latest from a busy transfer market, as champions Arsenal look to reinforce their squad with a couple of Brazilian superstars: Bruno Guimaraes and Vinicius Jr.Adam Leventhal is joined in the studio by The Athletic’s Jay Harris and Art de Roche to break down how transformational those two signings would be for Mikel Arteta’s side.Plus there’s the latest on moves for R… 