Defense attorney Tony Coleman says not guilty pleas were entered on Liggins' behalf in Oklahoma County District Court on Friday.
Liggins faces two counts of kidnapping, two counts of domestic assault and battery with a dangerous weapon, three counts of domestic abuse in the presence of a minor and one count of violating a protective order. Liggins is free on bond.
Liggins was arrested Aug. 31 after his girlfriend told police he attacked her in front of their 2-year-old son.
The Thunder waived the 24-year-old former Kentucky player on Sept. 6
He said after Friday's hearing he "loves Oklahoma fans" and the state of Oklahoma.