Niklas Süle

The provided articles do not contain any information about Niklas Süle. Instead, they focus on Ole Book's appointment as the new sporting director for Borussia Dortmund (BVB). Book, previously with SV Elversberg, replaces Sebastian Kehl, whose departure was announced unexpectedly. Book's move from a second-division team to a top European club is noteworthy. He is considered to have a talent for spotting promising players. Book has signed a three-year contract with BVB and will report to sporting director Lars Ricken. The articles highlight the rapid nature of the appointment, occurring just one day after Kehl's exit, and emphasize Book's strong emotional connection to Borussia Dortmund since childhood. The news is significant because it signals a change in BVB's management structure and potentially a shift in their player recruitment strategy.