Grand Rapids Drive After going unselected in the
2016 NBA draft, Horton was named to the
Miami Heat's
Summer League roster. Following his performance in Summer League, Horton was selected 5th overall in the
2016 NBA Development League draft by the
Grand Rapids Drive. Horton averaged 6.2 points, 5.5 rebounds and 0.9 blocks per game in 49 games (11 starts) for the Drive in his rookie season. The Drive traded his overseas rights to the
Delaware Blue Coats on January 22, 2019.
Alba Fehérvár Horton signed with
Alba Fehérvár of the Hungarian
Nemzeti Bajnokság I/A (NB I/A) on August 3, 2017. Horton averaged 8.8 points, 6.6 rebounds and 1.3 blocks per game in 39 NB I/A games and 9.6 points, 6.9 rebounds and 1.8 blocks in 12
FIBA Europe Cup games with Alba.
Kymi Horton signed with
Kymi of the
Greek Basket League (GBL) on July 30, 2018. Horton was named the GBL Player of the Week after scoring 24 points and grabbing 15 rebounds against
PAOK on November 10, 2018. Horton finished the regular season as the league leader with 9.1 rebounds and 1.7 steals per game, fifth in the league with 13.6 points per game, and third with 1.6 blocks in 23 total games (16 starts) and was named honorable mention All-GBL by
EuroBasket.com.
Cholet Horton signed with
Cholet Basket of the French
LNB Pro A on July 15, 2019. Horton was selected to play for the "World" team in the 2020
LNB All-Star Game. Horton averaged 17 points, nine rebounds and 1.7 assists for Cholet.
BCM Gravelines-Dunkerque On June 13, 2020, he signed with
BCM Gravelines-Dunkerque of the
LNB Pro A.
Cholet Basket On January 2, 2021, he signed with
Cholet Basket of the
LNB Pro A.
Nanterre 92 On July 22, 2021, Horton signed with
Nanterre 92. On May 18, 2022, Horton was named to the All-LNB Pro A First Team of the
2021–22 season.
Hapoel Tel Aviv On July 28, 2022, he signed with
Hapoel Tel Aviv of the
Israeli Basketball Premier League.
Lokomotiv Kuban On November 29, 2022, he signed with
Lokomotiv Kuban of the
VTB United League.
Trapani Shark On September 27, 2023, he signed with
Trapani Shark of the
Serie A2. He also played for the following season in the Italian top–tier basketball league,
LBA, which the team promoted for the second time in 32 years
Reyer Venezia On June 16, 2025, he signed with
Umana Reyer Venezia of the Italian
Lega Basket Serie A (LBA). ==References==