dizziness

Source: Johnny Manziel 'hung over' at meeting; Browns say QB had concussion
Johnny Manziel was "hung over" at a Cleveland Browns meeting, a source told ESPN, but the team says the quarterback had been diagnosed with a concussion.
Adrian Coxson, cut by Packers, says next hit could 'kill me or be life-damaging'
Robinson Cano hit in head by warm-up ball, cleared of concussion
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Adrian Coxson, cut by Packers, says next hit could 'kill me or be life-damaging'
Robinson Cano hit in head by warm-up ball, cleared of concussion