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COVENTRY, ENGLAND - MARCH 08:  Alistair Hargreaves of Saracens looks on during the Aviva Premiership match between Wasps and Saracens at The Ricoh Arena on March 8, 2015 in Coventry, England.  (Photo by David Rogers/Getty Images)
COVENTRY, ENGLAND - MARCH 08:  Alistair Hargreaves of Saracens looks on during the Aviva Premiership match between Wasps and Saracens at The Ricoh Arena on March 8, 2015 in Coventry, England.  (Photo by David Rogers/Getty Images)

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Hargreaves: 'Concussion ended my career'

Ex-South Africa international Alistair Hargreaves says five concussions in two seasons led to his rugby career ending with an innocuous training incident.

Hargreaves: 'Concussion ended my career'

Ex-South Africa international Alistair Hargreaves says five concussions in two seasons led to his rugby career ending with an innocuous training incident.