docs: public List<Fighter> getFightersWithCompleteData() {
  
          return dryFighters.stream()
                  .map(f -> {
                      try {
                          return sherdog.getFighter(f.getSherdogUrl());
                      } catch (IOException | ParseException | SherdogParserException e) {
                          return null;
                      }
                  })
                  .filter(Objects::nonNull)
                  .collect(Collectors.toList());
      }