Dana Stubblefield's wife says her husband is an innocent man, telling TMZ Sports she's convinced the accuser is lying ... saying she's worried about what could happen to him in prison.
We spoke with Terri Stubblefield ... who's been married to the ex-NFL star for 11 years. They have 2 young children together.
Terri had filed for divorce back in 2016 after she learned about the allegations against Dana ... but they have since reconciled.
Terri admits that Dana screwed up by having sex with another woman .