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Dennis Smith Jr. of Dallas Mavericks, right, challenges JJ Redick of Philadelphia 76ers during the Shenzhen match of the NBA China Games in Shenzhen Stock Photo - Alamy

Orlando Magic forward Aaron Gordon has withdrawn from 2018 Verizon Slam Dunk

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2,271 Dennis Smith Mavericks Stock Photos, High-Res Pictures, and Images - Getty Images

Mitchell soars to dunk title, Booker sets 3-point record

NBA All-Star 2018 Creative on Behance

Blogtable: Any rookies you'd like to see in 2018 Verizon Slam Dunk?

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Verizon Slam Dunk Contest 2018 by Jesse D. Garrabrant

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Dunk Contest: Aaron Gordon, Victor Oladipo, Larry Nance Jr., Dennis Smith Jr., SportsCenter

Dennis Smith Jr. of Dallas Mavericks, right, challenges JJ Redick of Philadelphia 76ers during the Shenzhen match of the NBA China Games in Shenzhen Stock Photo - Alamy