It has been some four years for Arsenal’s newest signing Jakub Kiwior. In January 2019, the Polish central defender was let go by Anderlecht’s academy without a senior appearance and was thrown into a relegation battle in Slovakia – one that ultimately ended in failure. Since then, though, the 22-year-old has ended up marking Lionel Messi at the World Cup, been identified as a future leader for his country and…