There’s no perfect situation, but a closer look at the Phillies shows a lot more potential than might be expected from the team with the worst record in baseball. What’s tough for former general manager Ruben Amaro Jr., of course, is that the strength of the farm system has largely been built by the trades he’s made since December, when he began dismantling the nucleus that helped the organization win five straight division titles, two National League pennants and a World Series from 2007-11.