Affidavit: Johnny Manziel's ex-girlfriend lost hearing after attack

The Cleveland Browns say quarterback Johnny Manziel's troubles off the field have undermined trust with his teammates and the organization.DALLAS — Johnny Manziel's ex-girlfriend says in an affidavit that he hit her so hard during a late-night confrontation that she lost hearing in one ear.

Colleen Crowley's affidavit was obtained by KXAS-TV and published online Monday. Crowley suffered a ruptured eardrum, which is expected to eventually heal, Crowley's lawyer, Kathy Kinser, told the television station.

Crowley detailed Manziel's alleged attack as part of proceedings to obtain a protective order against the troubled Cleveland Browns quarterback, who is under criminal investigation on…