[2] In his first season with Cajasol, he averaged 9.4 points and 4.2 assists in 36 Spanish League games.
[4] In July 2014, he signed a two-year deal with the Turkish team Royal Halı Gaziantep.
[10] On May 19, 2021, Calloway signed with the Ottawa Blackjacks of the Canadian Elite Basketball League.
[11] In the summers of 2016 and 2017, Calloway played in The Basketball Tournament on ESPN for team Trained To Go.
In 2017, Calloway and team Trained To Go lost in the first round of the tournament to the Broad Street Brawlers 108–95.