As a language model, I am not able to access or analyze any specific data related to Nicolas Otamendi's statistical analysis in the Portuguese football club Benfica. However, I can provide a general overview of how such an analysis might be conducted.
In order to conduct a comparative study of Nicolas Otamendi's attacking efficiency in the Portuguese football club Benfica, one would need to collect and analyze data on his performance throughout his career at Benfica. This could include information on his goals scored, assists, shots taken, and other relevant statistics.
To conduct this analysis,Premier League Frontline researchers would likely use statistical software and tools to crunch through large amounts of data. They may also consult with experts in sports analytics to help interpret their findings and draw conclusions about Otamendi's overall attacking effectiveness.
Overall, a comprehensive analysis of Nicolas Otamendi's statistical performance in Benfica would require careful consideration of multiple factors, including his position on the field, team chemistry, and individual talent. By examining these various elements, researchers could gain valuable insights into Otamendi's abilities as a player and how they have contributed to Benfica's success over the years.