Photo: Valerio Pennicino/GETTY IMAGES Veteran AC Milan striker Zlatan Ibrahimović has confessed that he feels a sense of "panic" when thinking about hanging up his boots. (adsbygoogle = window.adsbygoogle || []).push({}); Ibrahimović has been struggling with injuries this term, especially since the start of the year. The 40-year-old has missed 18 games due to physical issues and has