Rajon Rondo is working with Holger Geschwindner, Dirk Nowitzki's shot guru - NBC Sports
Darren Rovell på X: "May 7, 1996: German journalist Holger Sauer photographs a 17-year-old starter for second division team DJK Wurzberg at the hoop by his parents home. His name? Dirk Nowitzki.
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Dirk-Nowitzki-Mentor Holger Geschwindner im Interview
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Holger Geschwindner speaks with Dirk Nowitzki of Germany during the... News Photo - Getty Images