It's the third time in team history Toronto has not made a selection. The Raptors were also without a pick in the 2007 draft, and again in 2013.
Raptors general manager Bobby Webster said Toronto tried to acquire a pick via trade but was unable to do so.
The deal for Carroll also included Torono's first-round selection, 29th overall, and a second-round pick, 40th overall, that the Raptors acquired from Orlando in exchange for the contractual release of Magic president Jeff Weltman.
Toronto's other second-round pick, 59th overall, was traded to Phoenix for forward P.J. Tucker in February 2017.
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