Porto president André Villas-Boas delivered what he described as a “reality check” by bluntly rebuffing rumors regarding a potential approach for Barcelona star forward Robert Lewandowski. The freshly crowned Portuguese champions are one of several clubs to have been linked with the prolific Polish striker as he teeters towards free agency at the end of June. However, Villas-Boas put a swift halt to that particular vein of speculation when confronted with these whispers. “Obviously, as you can imagine, the financial costs of a player of that caliber are beyond FC Porto’s reach,” the president explained to assembled media . “That is the first thing that seems clear to me.” Part of Porto’s appeal was the Polish enclave forming at the Portuguese giants.…