points off the bench against the Iowa Energy. Despite starting in only one of 49 games, he averaged 19.3 points, 3.8 rebounds, 2.8 assists, 1.4 steals, 0.3 blocks across 29 minutes per contest. Miami Heat (2019–2021) The Miami Heat announced that they had signed Nunn on April 10, 2019. On October 18, Nunn made a significant impression during the preseason finale against the Houston Rockets by posting 40 points, the highest score by a Heat player in a preseason game in the last 20 years. His NBA debut came on October 23 in the Heat's season opener against the Memphis Grizzlies, when he started and had 24 points, 2 rebounds, 3 assists, and 2 steals during the 120–101 victory. After his first week in the league, his three-game average of 22.3 points earned him an NBA Player of the Week nomination. In his first five NBA games, Nunn posted 112 points to break the record for the most points in as many games by an undrafted player; Connie Hawkins had set the previous record with 105 points in 1969. The 112-point tally was also the most recorded by a rookie in his first five games since Kevin Durant scored 113 in 2007. On December 3, Nunn was named Eastern Conference Rookie of the Month after averaging 16.4 points, 3.2 assists and 1.3 steals per contest. On December 10, he posted a career-high 36 points to help the Heat secure a 135–121 overtime win versus the Atlanta Hawks. In that game teammate Duncan Robinson added 34 points, establishing an NBA record for points by an undrafted duo (70). After scoring 504 points in his 31st career game, he became the fastest rookie to reach 500 points in franchise history (one game faster than Dwyane Wade). On January 2, Nunn became the first undrafted player in NBA history to win multiple Rookie of the Month awards and joined Caron Butler (4) as the only Heat players with multiple awards. He won the Rookie of the Month award for a third time for his January performance. He was named to the Rising Stars Challenge at the 2020 NBA All-Star Game, scoring 16 points for Team USA. On September 15, 2020, Nunn was named 2019–20 NBA All-Rookie First Team and finished second in Rookie of the Year voting. On September 30, 2020, Nunn tallied 18 points during Game 1 of the 2020 NBA Finals