In 2006 , it was .676 , worst in the majors . Defensive efficiency is n't some fancy statistic ; it simply measures the rate at which balls in play are converted into outs . The Pirates are awful at it , and they have been for some time . Assigning blame to individual players for this is difficult and debatable , but it 's probably less important to do that than to simply acknowledge that this is n't a mediocre defense we 're looking at , it 's a horrible one .

Question: What sport is the narrator describing ?
Answer: Basketball .Tennis .Baseball .None of the above choices .