On November 14, he made his debut with the Raptors in an 83–80 loss to the Fort Wayne Mad Ants, recording 20 points, five rebounds and one steal in 39 minutes. On February 11, 2016, he was named in the East All-Star team for the 2016 NBA D-League All-Star Game as a replacement for Keith Appling, after averaging 16.3 points, 3.1 rebounds, 1.7 assists and 34.6 minutes in 32 games. On April 21, he was named the recipient of the 2016 NBA Development League's Jason Collier Sportsmanship Award. On August 5, 2016, Suggs signed with ICL Manresa of Spain's Liga ACB. On August 15, 2019, Suggs signed with Maccabi Haifa of the Israeli Premier League.