Arsenal and Chelsea have been a constant thorn in one another’s side in the transfer market in recent years. Indeed, it seems as though whenever either team hones in on a top-quality target, the other is lurking in the background. Declan Rice, Mykhaylo Mudryk and Moises Caicedo are but a few players who were targeted by both Arsenal and Chelsea in recent years. Nico Williams is another player who is now being admired by both London clubs, and, according to the Spanish press, there’s a clear leader in this race between the two. Chelsea ahead of Arsenal in Nico Williams raceAccording to Sport, C…