Jermall Charlo just scored a big win in his assault case ... prosecutors tell TMZ Sports they're dropping the felony charge against the star boxer.
According to court documents, Charlo was accused of roughing up a family member during a Sept. 5, 2021 incident in Fort Bend County, Texas. He was eventually arrested over it all back in February, and charged with felony assault.
But a spokesperson for the Fort Bend County District Attorney's Office tells us they filed a motion to dismiss the case on Monday "based on the reason that we cannot prove the case beyond a reasonable doubt.