The Heisman Trophy winner and former Texas A&M star was indicted Tuesday on a charge of misdemeanor assault related to family violence. The Class A misdemeanor carries up to one year in jail and a $4,000 fine.
Manziel's ex-girlfriend, Colleen Crowley, told Dallas police that Manziel repeatedly hit her and threatened to kill her during a night out on Jan. 30.
Crowley alleged that Manziel accosted her several times at a Dallas hotel and later struck her when they drove back to her apartment in Fort Worth.
In a statement released Tuesday, Manziel's attorney said that his client will plead not guilty.
"We certainly respect the decision of the grand jury but of course they only hear part of the case: What the D.A. chooses to share with them. We don't know what that was. This case will now be assigned to a court in Dallas County where the parties are able to join the issue," Jim Darnell, lead counsel for Manziel, said.
"Johnny will certainly plead 'not guilty' and we believe the evidence will support that plea. Out of respect for Ms. Crowley, we will not try the case in the press. We do, however, believe that Johnny will be acquitted at the conclusion of the case."
The Cleveland Browns cut Manziel in March, and two agents and all of his endorsers have dropped him.
The Associated Press contributed to this report.