BARCELONA — Between the NBA and the Euroleague lies an ocean. Over here, we may have some of the best NBA trade deadline assets that you might hear about by Thursday afternoon. More and more, teams are pushing their shopping carts across the Atlantic in hopes of stumbling upon a Gary Neal or Gustavo Ayon. Other teams did their legwork early, drafting and stowing Europeans whom they hoped would mature into NBA caliber players. Some of them have. Here are