Riley was cut by the
Iowa Energy in training camp and had several brief stints with European clubs. In 2016, he signed with
Akureyri in Iceland and averaged 18.2 points per game. In the 2018-19 season, he played for
Palangos Kuršiai and averaged 26.3 points per game. He had a 50-point game on January 1, 2019. He played for
Cholet Basket during the 2019-20 season and averaged 11.2 points per game before the season was suspended due to the COVID-19 pandemic. He averaged 16 points and 2.7 assist per game. On July 20, 2021, Riley signed with VEF Riga. On July 28, 2022, Riley moved to Greek club
PAOK Thessaloniki. In 26 league games, he averaged 10.6 points, 2.1 rebounds, 3.7 assists, 1.1 steals and 3.4 turnovers, playing around 24 minutes per contest. On March 6, 2025, he signed with
Stal Ostrów Wielkopolski of the
Polish Basketball League (PLK). On August 14, 2025, he signed with
FC Porto of the
Liga Portuguesa de Basquetebol (LPB). ==References==