By Jonathan Wilson Given what Barcelona mortgaged to field its current team, a failure to get out of its Champions League group would be catastrophic. For Barcelona, suddenly, there is pressure. Tuesday’s 1–0 defeat at Inter Milan means that at the halfway stage of the Champions League group stage it sits third in the group, three points behind Inter and six behind Bayern Munich. If Xavi’s side does not beat Inter at home next week, the likelihood is that it will go out of the Champions League before the knockout stage for the second successive season. Having sold so many assets, having effect…