The 30-year old Montenegrin, who joined the Washington club from Rapid Vienna in June, compared the game style of football in Europe to what he experienced with DC who finished rock bottom.
"The level physically, running and everything, is the same as in Europe," Boskovic said of his first three months in MLS. "But in Europe it is different tactically. They cut the space - the [defensive] line is near, not like here.
"It's difficult," he continued. "Especially our defense, it's always one against one. Even Nesta or Maldini, they cannot play like this. Always - if you watch [this] match, they are always like this, one against one.
"[Real Madrid coach Jose] Mourinho wins in Champions League, Scudetto, only with tactics," he noted. "Players listen to him, they concentrate 90 minutes. We must respect when we score. It's so difficult to score, maybe some guys don't understand or they don't have experience. But when you score, you must play more smart.
"And then every team scored so easily against us, you know?"
Boskovic added that he was already looking forward to next season.
"I would like to have more games, but now it's finished," he said. "But next season I'll try to prepare myself the best I can and show what I can do."