He joined the Saigon Heat of the ASEAN Basketball League prior to the 2014 season as a 'heritage' player and quickly became the face of the team.
[7] With the formation for the Vietnam Basketball Association, Arnold joined the Saigon Heat side for the league's inaugural season.
At the conclusion of the season, he was named to the All-VBA First Team, finishing with averages of 17.2 points, 3.0 rebounds, and 5.9 assists per game.
However, Ryan suddenly announced his retirement from VBA at the end of his second season due to personal matters.
[8] In early 2018, Arnold became a resident of Vietnam, qualifying him as a local player, but he soon retired from both the Saigon Heat and the VBA in at the end of that season.