Hopson, 33, is 6-foot-7 and appeared in one game with the Thunder last season, but has often served as the veteran voice for the OKC Blue of the G League. He could indeed spend time with the Blue again this season.
Hopson has appeared in four NBA games overall, dating back to his first run with the Cavaliers in 2013-14. He also appeared in one game with the Mavericks in 2017-18.
Mokoka, 24, is 6-4 and spent the previous two seasons on two-way contracts with the Bulls. He appeared in 14 NBA games last season.
The Thunder roster stands at 20, so they still need to waive more a few more players prior to Monday’s deadline.