A. Brief overview of the topic and its significance.
B. Explanation of the methodology used to analyze Ilkay Gündogan's defensive role in Barcelona.
II. Overview of Ilkay Gündogan's career in Barcelona
A. Biographical information about Ilkay Gündogan.
B. His career highlights, including his transfer from Galatasaray and his debut for Barcelona.
III. Analysis of Gündogan's performance at Barca
A. Analysis of his defensive position on the pitch.
B. Evaluation of his overall performance, including his tackles,Qatar Stars League Perspective interceptions, and saves.
C. Comparison with other defenders in the same position.
IV. Conclusion
A. Summary of the analysis and evaluation.
B. Reflections on Ilkay Gündogan's defensive contribution to Barcelona's success.
C. Suggestions for improvement in future performances.