Glory Johnson is digging in her heels in her domestic violence case -- pleading NOT GUILTY to assaulting her estranged wife, Brittney Griner ... TMZ Sports has learned.
Johnson was charged with assault and disorderly conduct stemming from a fight with the WNBA superstar at their Arizona home on April 22nd. Both Glory and Brittney were arrested.
Griner had previously struck a plea deal with prosecutors -- and pled down to disorderly conduct. She was ordered to complete a domestic violence counseling program.
But Johnson -- who plays for the Tulsa Shock -- has always maintained she was innocent ... and according to court docs filed on July 13th, pled not guilty to assault and disorderly conduct.
If convicted, Johnson faces up to 6 months in jail for each count.
Johnson is currently pregnant with twins -- and has split from Griner ... who filed for annulment just weeks after they were married in May.
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