On Thursday afternoon, WWE superstar John Cena announced that he had suffered a concussion on RAW this past Monday night.
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WWE superstar John Cena suffers concussion
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Alfredsson confirms he sustained concussion
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Manchester United's Javier Hernandez spent Tuesday night in hospital after suffering mild concussion
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Bryant diagnosed with a concussion
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Kaka blames injuries
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Veteran wakes up with serious head injuries
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Batista upset with WWE management
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The Miz defeated John Cena in WrestleMania XXVII
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Arkansas says Mallett suffered concussion
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Pro wrestler Jerry Lawler suffers heart attack live on 'Monday night Raw'
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Concussion can show signs of mental and physical problems 30 years later
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Mike Patterson suffers a seizure during training
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21-year-old seriously injured in collision
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Cb Asante Samuel leaves game with concussion
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Roethlisberger will make a statement on Monday about suspension
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Wrestling continues despite injury
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Daniel Sedin has concussion